| Alabama | yes | Master Plumber, Journeyman Plumber, Apprentice Plumber (registration), Master Gas Fitter (separately certified under the same Board; per Ala. Admin. Code 720), Journeyman Gas Fitter | Alabama Plumbers and Gas Fitters Examining Board (Chapter 720-X-7 Administration of Examinations; the live alabamaadministrativecode.state.al.us site returns Cloudflare challenge to plain fetch). | Per Ala. Admin. Code r. 720-X-4-.01 (Forms, Requirements, And Fee Schedule), the Alabama Plumbers and Gas Fitters Examining Board charges: Apprentice Plumber $35.00 initial/annual registration; Journeyman Plumber $110.00 non-refundable exam + $50.00 initial application + $75.00 initial certificate + $75.00 annual renewal; Master Plumber $160.00 non-refundable exam + $50.00 initial application + $175.00 initial certificate + $175.00 annual renewal; Medical Gas Pipe Fitter $25.00 renewal; Business registration $25.00. Late annual certificate renewal penalty is the same as the renewal fee (e.g. $75.00 for Journeyman, $175.00 for Master). Violations of non-gas work carry a minimum fine of $500.00; gas work violations carry a minimum fine of $1,000.00. | Confirm current general liability and bond / financial-statement requirements with the Alabama Plumbers and Gas Fitters Examining Board. The cited admin-code chapter list does not state a specific statewide minimum. | Annual renewal (Chapter 720-X-9 Penalty for Late Renewal; per the cited law.cornell.edu mirror). | Confirm current reciprocal arrangements with the Alabama Plumbers and Gas Fitters Examining Board. The cited admin-code chapter list does not name a specific reciprocity rule. |
| Alaska | yes | Mechanical Administrator — Residential Plumbing and Hydronic Heating (RPHH), Mechanical Administrator — Unlimited Commercial and Industrial Plumbing (UCIP), Mechanical Administrator Trainee (apprentice-level registration) | PSI Exams administers Alaska mechanical-administrator trade examinations; passing score 70%, valid one year. | Per 12 AAC 02.245 (Mechanical Administrators), AK DCCED: nonrefundable $150 application fee per license category applied for separately; mechanical administrator license fee of $200 for the initial biennial license period; $200 biennial mechanical administrator license renewal fee. | Alaska does not require a statewide bond for the mechanical-administrator license itself. The underlying registered Construction Contractor (per 12 AAC 02) has separate surety and insurance requirements — confirm current bond and insurance minimums with the Alaska Department of Commerce, Community, and Economic Development (DCCED). | Biennial — mechanical administrator licenses renew every two years (per 12 AAC 02.245). | No general reciprocity. The Department may license by credentials (waive the Alaska examination) for applicants who hold a current, active mechanical-administrator license at the same category level from another state and have passed an equivalent exam — confirm specifics with the Alaska DCCED. |
| Arizona | yes | C-37 Plumbing (Commercial), R-37 Plumbing (Residential), CR-37 Plumbing (Dual — Commercial + Residential) | PSI Exams (trade-specific); Gmetrix (AZ Statutes and Rules Course/Exam / SRE). C-37, R-37, and CR-37 applicants may also take the NASCLA Plumbing Examination in lieu of the AZ ROC trade exam (same program used by electrical). | AZ ROC lists Specialty Commercial (C-37) at a $100 application fee + $480 license fee = $580 total for a two-year license; Specialty Residential (R-37) at $80 application + $270 license = $720 total (includes $370 Recovery Fund assessment); Specialty Dual (CR-37) at $100 application + $380 license = $850 total. Trade-exam fee is $66 paid to PSI; SRE fee is $61 paid to Gmetrix. | All residential and dual licenses pay into the Recovery Fund through a $370 assessment (or CD/cash bond) per A.R.S. § 32-1152. License bond for the C-37 is set by AZ ROC; confirm the current minimum bond with AZ ROC. | Every two years; licenses expire on the last day of the month shown on the license. | AZ ROC participates in the NASCLA National Examination Program for licensees who hold licenses in other NASCLA-member states; the trade-exam fee is $116. There is no general reciprocity separate from this — confirm specifics with AZ ROC. |
| Arkansas | yes | Apprentice Plumber (registration), Journeyman Plumber (license), Master Plumber (license), Restricted Plumber categories (Solar Mechanic, Residential Maintenance, Governmental Maintenance, Hospital Maintenance, Water and Sewer Service Line Installation, Supervisor Gas Fitter, etc.), Natural Gas Fitter / Master / Trainee / Supervisor (separately licensed under the same ADH Plumbing & Natural Gas Section) | The Arkansas Department of Health (ADH) Plumbing & Natural Gas Section administers the Master, Journeyman, Apprentice, and Restricted Plumber examinations at the ADH Auditorium in Little Rock (monthly exam dates are published on the ADH Plumbing Examination Calendar; the year-long list is updated annually on healthy.arkansas.gov). Per the Master Plumber Examination Information Guide, the Master Plumber exam consists of four timed sections (Drawings, Questions, Vents/Combustion Air, Gas Pipe Sizing) covering the 2018 Arkansas Plumbing Code, 2018 Arkansas Fuel Gas Code, and the Arkansas State Plumbing Law. | Per ADH Rules, Section III (Fees), effective September 5, 2024: Master Plumber application fee is one hundred twenty-five dollars ($125.00); Journeyman Plumber application fee is seventy-five dollars ($75.00). Master Plumber annual license fee is two hundred dollars ($200.00); Journeyman Plumber annual license fee is seventy-five dollars ($75.00). Apprentice Plumber annual registration is twenty-five dollars ($25.00). Re-exam fee for failure to appear without proper notification or failure of any portion of the test is fifty dollars ($50.00); non-scheduled or oral examination requires an additional fifty dollars ($50.00). Restricted Plumber categories carry their own application and license fees per Section III. The Master Plumber application form also states verbatim: 'Application Fee/$125 License Fee/$200'; the Journeyman Plumber application states 'Application Fee/$75 License Fee/$75'. | No specific statewide surety-bond minimum was identified in the ADH Plumbing Rules reviewed. The Arkansas Plumbing Law (Ark. Code Ann. § 17-38-101 et seq.) and the Master / Journeyman applications may require financial-responsibility documentation; confirm current general liability and surety-bond / financial-statement requirements with the ADH Plumbing Examiner's Committee. | Annual. Per ADH Rules, Section IV.A: 'Master, Journeyman and Apprentice Plumbers licenses issued under the provisions of these rules shall expire annually on December 31st. The license shall be renewed by February 1st. After February 1st, a penalty of ($5.00) per month shall be added.' Per Ark. Code Ann. § 17-38-308(a): all licenses shall be renewed annually within thirty (30) days after the expiration date of the license. | Per ADH Rules, Section II.A (Reciprocal licensing): the State Committee of Plumbing Examiners shall approve an applicant for Master or Journeyman or Restricted Plumber examination if the applicant is currently licensed in another state or political subdivision with substantially similar plumbing laws and codes, holds the license in good standing, has not had the license revoked for bad faith, and pays the required fee. The Committee may also consider applicants without an out-of-state license who show proof of experience as outlined in the Qualifications section. The ADH also publishes state-specific reciprocity agreements with Ohio, Texas, Louisiana, and Oklahoma (separate reciprocity outlines/agreements are linked from the Plumbing & Natural Gas program page). |
| California | yes | C-36 Plumbing Contractor | PSI Exams administers the CSLB Law and Business and C-36 trade examinations; applicants who qualify for the trade-exam waiver under B&P § 7068.1 may skip the trade exam but must still pass the Law and Business exam. | Per the CSLB fees page: Original Application (exam or waiver for one classification) $450 (non-refundable); Initial License Fee Sole Owner $200; Initial License Fee Non-Sole Owner $350; Active Timely Renewal Sole Owner $450; fingerprinting (DOJ $32 + FBI $17, paid to the Live Scan operator). License is renewed for two years (active) or four years (inactive). Confirm the current schedule with CSLB — the live site (cslb.ca.gov) carries the canonical fee table. | Per the CSLB 'Get Licensed to Build' guide: $25,000 contractor's bond or cashier's check (active licenses only); a separate $25,000 bond of qualifying individual is required for any responsible managing employee or responsible managing officer owning less than 10% of the corporation or LLC; LLC licensees must also file a $100,000 LLC/worker bond. Workers' compensation insurance is required if the C-36 contractor has employees. Liability insurance with an aggregate limit of $1 million is required for LLC licenses with five or fewer personnel (plus $100,000 for each additional personnel, up to $5 million total). | Every two years for active licenses; every four years for inactive licenses. Licenses renew on the date shown on the license and lapse if not renewed by the expiration date (per the CSLB 'Get Licensed to Build' guide and B&P § 7140 et seq.). | California does not have a broad reciprocity arrangement for the C-36 trade exam. An applicant may qualify for a waiver of the trade exam if they have held a journeyman-level plumbing license in another state for at least five of the last seven years, or if they have completed an AS-degree in plumbing from a California community college, or via military experience (per B&P § 7068.1 and the CSLB 'Get Licensed to Build' guide) — confirm specifics with CSLB. |
| Connecticut | yes | P-1 Limited Plumbing, P-2 Unlimited Plumbing (Journeyman), P-3 Unlimited Plumbing Contractor (Master), P-4 Limited Sewer, Drain and Vent, P-5 Water Piping, P-6 Water Service, P-7 Limited Gas, P-8 Limited Lawn Sprinkler, P-9 Limited Swimming Pool | The Department of Consumer Protection administers the licensure examination (the Plumbing and Piping Work Board may also conduct written, oral and practical examinations); verify the current exam delivery vendor with DCP at the time of application. | Per Conn. Gen. Stat. § 20-333, the nonrefundable application fee is ninety dollars ($90) for a journeyman (P-2) or apprentice permit, and one hundred fifty dollars ($150) for an unlimited contractor (P-1/P-3). Per § 20-335, the initial license fee is one hundred fifty dollars ($150) for a contractor's license and one hundred twenty dollars ($120) for any other such license; the renewal fee is one hundred fifty dollars ($150) for a contractor and one hundred twenty dollars ($120) for any other such license (all on a one-year renewal cycle). Per Conn. Agencies Regs. § 20-332-20a, the fee for replacement of a missing license is $5.00. | Per Conn. Gen. Stat. § 20-334a(a)(1)(C), applicants for an unlimited or limited contractor's license must furnish the board or the department with evidence that they will comply with all state requirements pertaining to workers' compensation and unemployment insurance, and that such evidence shall be available to any properly interested person prior to the issuance of the license. Confirm current bond and additional insurance requirements with the Department of Consumer Protection at the time of application. | Annual; all licenses issued under Chapter 393 (electricians, plumbers, heating/piping/cooling, etc.) expire annually per Conn. Gen. Stat. § 20-335. | Per the DE Master Plumber reciprocity table (which references CT as a substantially-similar state), CT master plumber standards are recognized as substantially similar to the DE master's; CT does not publish a broad reciprocity list in the cited sources. Out-of-state applicants apply by examination; the DCP may accept experience and training obtained out of state in satisfaction of CT's experience requirements on a case-by-case basis. |
| Delaware | yes | Apprentice Plumber (works under a licensed Master Plumber), Master Plumber (issued by the Board of Plumbing, HVACR Examiners) | The Board designates a written, standardized examination (administered by a Board-approved testing service) for all applicants except those qualifying for licensure by reciprocity. The journeyman/apprenticeship components are administered by the Delaware Department of Labor apprenticeship schools (New Castle County VoTech, PolyTech, Sussex Tech). | Per the DPR Fee Schedule for the Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, the Plumber license application fee is $173, and the Plumber or HVACR Temporary application fee is $40. Renewal fees are set biennially by the Division per Del. Code tit. 24, ch. 18, § 1811 and are not enumerated in the cited page (DPR's general fee schedule notes the renewal fee is calculated biennially). Commercial Hood System Examination is $50. | Delaware does not impose a statewide bond or liability-insurance minimum for the Master Plumber license itself. The Master Plumber must display 'Licensed Plumber' and the license number on vehicles used in plumbing work per Del. Code tit. 24, ch. 18, § 1806(a)(12). Local jurisdictions may require a contractor bond or insurance; confirm requirements with the county or municipality where you work. | Biennial (every two years), with late renewal permitted up to one year after the designated renewal date per Del. Code tit. 24, ch. 18, § 1812(c). Inactive status is available for up to 5 years. | Per Del. Code tit. 24, ch. 18, § 1810, the Board grants a license by reciprocity to an applicant presenting proof of current licensure in good standing in another state, the District of Columbia, or a U.S. territory whose standards for licensure are substantially similar to Delaware's, plus the verified evidence in § 1808(a)(3)-(5). Where the other jurisdiction's standards are not substantially similar, the applicant must have practiced for a minimum of 7 years after licensure. The DPR Master Plumber Licensure page identifies CT, IA, and MD as substantially similar; AL, AR, DC, FL, GA, MI, NH, NJ, NC, OH, RI, SC, VA, and WV as requiring 7 years' post-licensure practice; and any state not listed must be evaluated by the Board. |
| Florida | yes | Certified Plumbing Contractor (CFC) — statewide (DBPR/CILB), Registered Plumbing Contractor — local jurisdiction | Pearson VUE (computer-based Business & Finance and Trade Knowledge exams), with Professional Testing, Inc. handling the candidate registration / application intake (the same arrangement used for the other CILB contractor categories). | Florida CILB plumbing-contractor fees are set by Florida Administrative Code rule 61G4-12.009 (Fees) and are subject to the statutory maxima in F.S. 489.109(1)(a) (initial application fee may not exceed $150, initial certification fee and renewal fee may not exceed $250, and combined application + examination fee may not exceed $350). The current CILB fee schedule (the specific dollar amounts actually charged) is published on the JS-rendered DBPR pages; the verbatim $ figure for the certified plumbing contractor application fee and license fee is documented in seedSkipped (the ChatGPT fact-gate is expected to fill the current CILB plumbing fee schedule from the live DBPR fee page or a refreshed Wayback snapshot during brief/draft). License renewal is biennial. | Certified Plumbing Contractors must maintain public liability and property-damage insurance; workers' compensation coverage or an exemption is required within 30 days of license issuance (mirroring the general DBPR/CILB requirements). Confirm current insurance minimums with DBPR / CILB. | Biennial (Florida certified contractor licenses renew every two years; the DBPR CILB group expires August 31 of even-numbered years for the A/C group, with a similar cycle for the plumbing group). | Florida offers limited endorsement / reciprocity paths under Section 489.119, F.S. The plumber qualifying party may qualify for endorsement if their out-of-state license is on the Board-approved list (current CILB endorsement list references AR, CA, IA, LA, MS, NC, NV, SC, TN, and similar). Confirm current endorsement list with DBPR / CILB. |
| Georgia | yes | Master Plumber (Plumbing Contractor, Class I / Class II) — statewide via the State Construction Industry Licensing Board (Dept 121), Journeyman Plumber — individual license, Utility Contractor (Plumbing) — subclassification under Dept 121-2-.07, Plumbing Medical Gas Piping Systems Certification (Rule 121-2-.11) | The State Construction Industry Licensing Board (Department 121) administers plumbing licensing through PSI (the same exam vendor used for electrical). Confirm the current PSI bulletin with the Board. | Per the Georgia State Construction Industry Licensing Board (Dept 121) Fee Schedule: $30.00 initial application fee for Master Plumber (Class I non-restricted, Class II non-restricted) and Journeyman Plumber (exam only). Renewal fees: $75.00 biennial for Master Plumber and $35.00 biennial for Journeyman Plumber. Late renewal (within 6 months) is $100 (master) / $45 (journeyman); lapsed (more than 6 months, less than 3 years) is $150 (master) / $70 (journeyman). Utility Manager and Utility Foreman share the $30 initial / $35 renewal (foreman) schedule. Utility Contractor is $50 initial. Master Plumber license expires November 30 of even-numbered years; Journeyman Plumber license expires November 30 of even-numbered years. | The cited SCILB Fee Schedule and Ga. Comp. R. & Regs. r. 121-2 do not state a specific statewide general liability, bond, or financial-statement minimum for the master or journeyman plumber license itself. Local jurisdictions may require a contractor bond or insurance to register or pull permits; confirm requirements with the municipality where you work. | Biennial (every 2 years). Master Plumber and Journeyman Plumber licenses lapse November 30 of even-numbered years per the SCILB Fee Schedule. | Reciprocity / endorsement is governed by Ga. Comp. R. & Regs. r. 121-2-.03 — the Board may issue a Statewide Plumbing Contractor license to an applicant holding a current out-of-state license from a board with substantially equal examination and experience requirements. Confirm current reciprocal states with the Board. |
| Hawaii | yes | Master Plumber (PM), Journeyman Plumber (PJ), Plumbing Apprentice (registration) | PSI Services — the Hawaii Board of Electricians and Plumbers examinations are delivered through PSI Services (https://test-takers.psiexams.com/hitrade/), per the PVL plumber application form. | Per the Hawaii DCCA PVL Plumber Application (Form EP-01): a $40 non-refundable application fee is due with the application. After passing the examination, the license fee is $306 if applying in the first year of the triennium, $204 in the second year, or $102 in the third year. Triennial renewal fee: $306 (active status) / $12 (inactive status). Restoration fee (within 1 year after license expiration): $406 (active) / $112 (inactive). A $25 service charge applies for dishonored payments. | Hawaii does not impose a uniform statewide bond for the individual plumber license itself; liability insurance is typically required by local building permit requirements. The PVL plumber application does not state a bond minimum. Confirm with the Hawaii DCCA PVL Board of Electricians and Plumbers and the local building permit authority where you work. | Triennial (every 3 years), by June 30 of every third year (plumber triennium 2027, 2030, 2033, etc.). | Hawaii does not reciprocate with any jurisdiction (per the PVL application form: "Hawaii does not reciprocate with any jurisdiction"). Out-of-state applicants must apply as new applicants and meet the current experience and examination requirements; the application does note that the Board accepts a notarized Experience Verification form signed by a licensed contractor in states that do not require journey-level licensure. |
| Idaho | yes | Plumbing Contractor, Plumbing Journeyman, Plumbing Apprentice (registration), Specialty Contractor, Specialty Journeyman, Specialty Apprentice (registration) | IAPMO (International Association of Plumbing and Mechanical Officials) trade examination, administered through PSI (per the DOPL State Plumbing Board Apply or Renew page). | DOPL State Plumbing Board: Application Fee $22.50; Apprentice $50 (initial) / $50 (renewal) / 5-year term; Specialty Apprentice $30 / $30 / 3-year term; Contractor $147 (initial) / $108 (renewal) / $147 (reinstatement) / 3-year term; Journeyman $29.40 (initial) / $21.60 (renewal) / $29.40 (reinstatement) / 3-year term; Specialty Contractor $147 / $108 / $147 / 3-year term; Specialty Journeyman $29.40 / $21.60 / $29.40 / 3-year term (per DOPL State Plumbing Board Fees page). | Idaho does not require a statewide bond for the plumbing license itself. The underlying construction-contractor registration has separate surety requirements under Idaho Title 54, Chapter 26 — confirm current bond and insurance minimums with the Idaho DOPL. | Contractor and Journeyman licenses renew every 3 years; Apprentice registration renews every 5 years. Per IDAPA 24.39.20 (Rules Governing Plumbing), the Board may contract a staggered schedule. | Idaho does not offer broad reciprocity. The Board may license by endorsement for applicants who hold a current, active plumbing license from another state and have passed an equivalent exam — confirm specifics with the Idaho DOPL State Plumbing Board. |
| Illinois | yes | Apprentice Plumber (registration), Plumber (Journeyman), Plumbing Contractor (state registration), Irrigation Contractor (state registration), Retired Plumber | Illinois Department of Public Health (IDPH) — applicants must pass a state licensing exam after working under a licensed plumber as a licensed apprentice. Out-of-state applicants may also qualify by reciprocal application. | IDPH plumbing contractor registration: $150 annual registration fee (non-refundable). Renewal: $150. Reinstatement/Late: $100. Returned Check: $200. Plumber (journeyman) license application, exam, and renewal fees are set by rule (Title 77 Public Health; Plumbers Licensing Code) — confirm current amounts with IDPH. Irrigation-contractor registration is a separate annual fee published by IDPH. | Per IDPH Plumbing Contractor Application: a surety/indemnification bond in the amount of $20,000 (or a letter of credit in the same amount), for work performed in accordance with 225 ILCS 320, naming the Illinois Department of Public Health as beneficiary. Required Certificate of Insurance: $100,000 general liability, $300,000 bodily injury, $50,000 property damage, and $500,000 workers' compensation. Plumbing contractors with no employees may elect to be exempt from workers' compensation (see the Affidavit of No Employees and Opt-Out form). | Plumber licenses expire annually on April 30 following the date of issuance and must be renewed online. Plumbing contractor and irrigation contractor registrations are renewed annually per IDPH requirements. | The IDPH issues a Plumber's License: Application for Reciprocity for the City of Chicago Licensees (Chicago holds a separate municipal plumber-license system that pre-dates the state act). Per 225 ILCS 320, IDPH may issue a license by reciprocity to an applicant who holds a license from another jurisdiction with substantially equivalent requirements; confirm current reciprocity availability with IDPH. |
| Indiana | yes | Plumbing Contractor, Journeyman Plumber, Plumbing Apprentice | PROV administers the Indiana plumbing licensing examination; applicants register on the PROV website (www.provexam.com). | Application fees are paid online at the time of application: $30.00 for the Journeyman Plumber application and $50.00 for the Plumbing Contractor application (per the Indiana PLA plumbing licensing instructions). Application fees are nonrefundable. Confirm renewal fees with the Indiana Plumbing Commission / PLA. | Plumbing contractors may be required to carry liability insurance and/or a bond by the local jurisdiction where work is performed; confirm current requirements with the Indiana Plumbing Commission and the local building department. | Indiana plumbing licenses are renewed on the Indiana Professional Licensing Agency cycle; confirm the current renewal period and fee with the PLA / Indiana Plumbing Commission. | An out-of-state licensed plumber may apply by documenting four (4) years of experience in the plumbing trade; confirm current reciprocity terms with the Indiana Plumbing Commission / PLA. |
| Iowa | yes | Apprentice (must be enrolled in a USDOL-registered apprenticeship and licensed with the board), Journeyperson Plumber, Master Plumber, Plumbing Contractor (contractor license + DIAL contractor registration) | The PMSB's approved testing provider is Kirkwood Community College (15 testing sites statewide). Applicants first submit an Exam Approval Application with a $35 fee per trade-discipline exam; after approval, they schedule the exam with Kirkwood and pay a $95 examination fee per attempt directly to Kirkwood. | All PMSB licenses run on a 3-year licensing period (the current period is July 1, 2023 – June 30, 2026; the next is July 1, 2026 – June 30, 2029). On-time full renewal/license fees: Apprentice/Inactive/Specialty $50.00, Journeyperson $180.00, Master $240.00, Inactive Master/Active Journeyperson $230.00, Medical Gas System Installer $75.00, and Contractor $400.00 (a $250.00 contractor license fee plus a $150.00 contractor registration fee). New-application fees are prorated based on when in the 3-year period you apply. Exam fees are separate: a $35.00 Exam Approval Application fee per trade discipline plus a $95.00 examination fee paid to Kirkwood. A $25.00 paper-application surcharge applies to any paper (non-online) application. Fees are non-refundable. | Plumbing/mechanical contractors must provide the board with evidence of a public liability insurance policy with a minimum coverage amount of $500,000 and a surety (performance) bond of at least $5,000, both issued by an entity licensed to do business in Iowa. Out-of-state contractors must file a $25,000 surety bond at registration and renewal. Individual apprentice, journeyperson, and master licenses do not themselves carry a statewide bond/insurance requirement. | Triennial — all PMSB licenses are issued for a fixed 3-year licensing period and expire at the end of that period (currently June 30, 2026) regardless of issue date. Renewal for the following period opens May 1 of year three; late fees begin August 1 of year one. | Iowa has a reciprocity agreement with the South Dakota State Plumbing Commission (approved May 2016): a person who obtained a South Dakota plumbing license on the basis of a written examination may obtain the comparable Iowa license without retaking the examination, subject to all other Iowa requirements. |
| Kentucky | yes | Master Plumber (state license issued by the Kentucky Department of Housing, Buildings and Construction under KRS Chapter 318 and 815 KAR 2), Journeyman Plumber (state license issued by the same Department under KRS Chapter 318 and 815 KAR 2) | The DHBC administers the Master Plumber and Journeyman Plumber examinations. Confirm the current exam vendor (PSI / Prov / DHBC-administered) with the DHBC. | Per 815 KAR 20:030 (Plumbing licenses), the Master Plumber license fee is $250 (initial and renewal) and the Journeyman Plumber license fee is $60 (initial and renewal); the Master Plumber examination fee is $150 and the Journeyman Plumber examination fee is $50. Inactive-status fees are $125 (master) and $30 (journeyman), and reactivation fees are the same. The insufficient-funds fee is $35 per 815 KAR 2:040 Section 2(1). | Confirm current general liability and bond requirements with the DHBC. KRS 198B.668 (as referenced in the cited HVAC record) is the typical basis for plumbing / HVAC contractor insurance, but the specific dollar amounts are not in the cited reachable sources. | Annual renewal is implied by 815 KAR 2:010's continuing-education cycle ("during the twelve (12) months prior to renewal of the license or certificate"). Confirm the current renewal cycle with the DHBC. | Confirm current reciprocal arrangements with the DHBC. Kentucky's continuing-education rule (815 KAR 2:010 Section 1(6)) allows the Department to recognize out-of-state courses / training upon written request if the material is relevant. |
| Louisiana | yes | Plumbing (Major Classification 7, LSLBC) — a Mechanical or standalone Plumbing classification; the qualifying party must also hold a Master Plumber license issued by the State Plumbing Board of Louisiana for plumbing work over $10,000, Mechanical (Major Classification 6) — covers HVAC, refrigeration, process piping, gas piping, and plumbing (LSLBC) | PSI (on behalf of the Louisiana State Licensing Board for Contractors; candidate information bulletin at test-takers.psiexams.com/lacon). | La. R.S. 37:2156.C sets the maximum LSLBC license fees at: Examination $50.00, License $100.00, Renewal $100.00, Delinquent $50.00. Non-Louisiana-domiciled applicants pay an additional board-set surcharge of up to $400 per application. Licensees may elect a 1-, 2-, or 3-year renewal term. Commercial contractor application fee is $100 per classification (per the LSLBC FAQ / apply-for-a-license page). | General liability insurance required, minimum $100,000, with the LSLBC named as certificate holder, submitted during both application and renewal. Workers' compensation required if the contractor has employees. Inactive licensees are exempt from submitting insurance certificates. No surety bond is required at the LSLBC level. | Licensees may elect a 1-year, 2-year, or 3-year renewal term on the anniversary of the date the license was originally issued (LSLBC sets the cycle on initial licensing). | Per La. R.S. 37:2153(5), the Board may waive the trade portion of the exam for applicants holding a comparable classification license in another state (with written certification of good standing and exam passage); the Business and Law exam is not waived. Confirm current reciprocal states with LSLBC. |
| Maine | yes | Trainee Plumber, Journeyman-in-Training Plumber, Journeyman Plumber, Master Plumber | The Maine Plumbers' Examining Board licenses the trainees and journeymen; candidates apply through the Office of Professional and Occupational Regulation (OPOR) online application portal and sit for the journeyman examination at a Board-approved testing site. Verify the current exam vendor on the OPOR exam schedule before filing. | Per the Maine Plumbers' Examining Board licensing pages: Master Plumber license fee $200 + criminal background check fee $21; Journeyman Plumber license fee $200 + $21 background check; Trainee Plumber license fee $100 + $21 background check; Journeyman-in-Training license fee $200 + $21 background check. Biennial renewal fee: $200 (Master and Journeyman) or $100 (Trainee). A late fee of $50 is assessed for licenses renewed up to 90 days after the license expiration date, and a $100 penalty fee applies to renewals more than 90 days but less than 2 years late. | Maine does not impose a statewide bond or general liability insurance minimum as a condition of the Plumbers' Examining Board license itself. The Board does not publish a bond or insurance requirement in the cited pages. Local municipalities may require a contractor bond or insurance to register or pull permits; confirm with the city or town where you work. | Biennial (every two years) for Master, Journeyman, and Trainee Plumber licenses, based on the first licensure date. Journeyman-in-Training is a 4-year non-renewable license. | Maine does not publish a broad reciprocity list for plumbers in the cited source set; out-of-state experience may be evaluated by the Board on a case-by-case basis. Confirm current reciprocity status with the Board. |
| Maryland | yes | Apprentice Plumber/Gas Fitter, Journeyman Plumber/Gas Fitter, Master Plumber/Gas Fitter, Apprentice Natural Gas Fitter, Journeyman Natural Gas Fitter, Master Natural Gas Fitter, Propane Gas Fitter (Certification), Plumbing Inspector (Certification) | PSI Examination Services administers the Maryland State Board of Plumbing licensure examinations at testing centers in Baltimore, College Park, Hagerstown, Lanham, and Salisbury (per the Board's 'Taking the Exam' page and the PSI Qualification Information Bulletin for the Maryland State Board of Plumbing). | Per the Maryland State Board of Plumbing 'Forms and Fees' page: Original License Fee Master Plumber/Gas Fitter $87.50; Journeyman Plumber/Gas Fitter $43.50; Apprentice Plumber/Gas Fitter $18.50; Master Natural Gas Fitter $150.50; Journeyman Natural Gas Fitter $68.50; Apprentice Natural Gas Fitter $18.50; Propane Gas Fitter Certificate $25.00 initial application fee + $31.50 license fee. License Renewal Fees: Master Plumber/Gas Fitter $87.50; Journeyman Plumber/Gas Fitter $43.50; Apprentice Plumber/Gas Fitter $18.50; Master Natural Gas Fitter $43.50; Journeyman Natural Gas Fitter $31.50; Apprentice Natural Gas Fitter $18.50. All licenses and certificates expire two years from the date of issue. Confirm the current schedule with the Board. | Per the Maryland Board of Plumbing Licensing FAQs: the minimum amount of insurance required per occurrence is at least $400,000 and consists of General Liability Insurance of at least $300,000 AND Property Damage Insurance of at least $100,000. Any umbrella policy coverage is not acceptable for compliance with this requirement. The Certificate Holder shall be the Maryland State Board of Plumbing, 1100 N. Eutaw Street, 5th Floor, Baltimore, MD 21201. | Biennial; per the 'Renew Your License' page: 'All licenses and certificates issued by the State Board of Plumbing expire TWO YEARS FROM DATE OF ISSUE.' If a license lapses for more than four years, the individual must file a new application and pass the appropriate examination. | Per the Board's Licensing FAQs: 'The Board ONLY reciprocates with the state of Delaware, the Washington Suburban Sanitary Commission (WSSC) with jurisdiction over Prince George's and portions of Montgomery Counties, and Baltimore County.' The State Plumbing Board reciprocates with the state of Delaware for the Master Plumber/Gas Fitter license ONLY. The Board may issue a reciprocal master or journey license to plumbers currently licensed in Baltimore County or WSSC; you must hold BOTH the plumbing and gas portion of the license. |
| Massachusetts | yes | Apprentice Plumber (registered with the Board), Journeyman Plumber, Master Plumber, Apprentice Gas Fitter (registered), Journeyman Gas Fitter, Master Gas Fitter, UndiIuted Liquified Petroleum Gas Installer, Limited UndiIuted Liquified Petroleum Gas Installer | PSI administers the Massachusetts plumbing and gas-fitting licensure examinations. The Massachusetts Candidate Information Bulletin (CIB) for the relevant Board of State Examiners provides the exam content outlines and PSI registration instructions; applications are first reviewed by the Board, then routed to PSI for exam scheduling. | Per the Mass.gov fee tables on the individual license application pages (Board of State Examiners of Plumbers and Gas Fitters): Apprentice Plumber non-refundable application fee $14; Journeyman Plumber $31 application fee + $52 license fee (paid at the PSI test center after the exam); Master Plumber $31 application fee + $78 license fee (paid at the PSI test center after the exam). All three application-fee figures are also referenced in 248 CMR 2.00. | Per M.G.L. c. 142, § 21A, no permit for plumbing or gas fitting work may be issued unless the licensee provides proof of liability insurance (including 'completed operation' coverage) issued by an insurer licensed in the commonwealth, OR a bond or other indemnity providing substantially equivalent coverage, OR the property owner's signature on the uniform permit application waiving the insurance requirement. | Per M.G.L. c. 142, § 6 and § 3(7)–(8), the Commissioner of Administration sets the license and renewal term biennially. Apprentice registrations are renewed separately. Confirm the current renewal term with the Board. | Massachusetts does not have broad reciprocity for out-of-state plumbing applicants. Per the Board's published positions, applicants apply by examination; the Board does not waive the Massachusetts exam based on an out-of-state license. |
| Michigan | yes | Plumbing Apprentice (registration), Journey Plumber, Master Plumber, Plumbing Contractor | PSI delivers the Michigan BCC plumbing examination on behalf of the Department of Licensing and Regulatory Affairs (LARA), Bureau of Construction Codes. Computer-based testing at PSI sites (call 1-855-579-4635 to schedule the written portion). | Per the LARA / BCC Application for Plumbing Examinations (form BCC-329, Rev. 05/2022): PLUMBING CONTRACTOR LICENSE $300.00; MASTER PLUMBER LICENSE $300.00. Per the Journey Plumber Application (form, LARA): JOURNEY PLUMBER LICENSE $40.00. All license fees are paid at the time of application; the examination fee is paid separately to PSI when the written exam is scheduled. A $100 late fee applies to license renewals filed after the expiration date. | Per BCC licensing rules, plumbing contractors must file evidence of worker's compensation coverage and a Certificate of Liability Insurance and identify the responsible Master Plumber. Confirm current bond/insurance minimums with the LARA/BCC licensing section. | Michigan plumbing licenses expire three years from issuance; renewal through LARA's online services is required. A $100 late fee applies to late renewals. | Michigan evaluates out-of-state plumbing applicants on a case-by-case basis via the BCC's substantially-equivalent-license path. The State of Michigan does not have a general reciprocal plumbing-license agreement with any other state; confirm current reciprocity availability with the LARA/BCC licensing section. |
| Minnesota | yes | Registered Unlicensed Plumber (PA-registration), Journeyworker Plumber, Master Plumber, Restricted Master Plumber, Plumbing Contractor (business registration), Backflow Prevention Certification (specialty) | DLI-administered exam covering the Minnesota Plumbing Code, theory, and installation practices; passing score is 70%. Applicants apply online to take the exam and pay the $50 exam fee; once approved they receive instructions about how to schedule the exam. | Per MN DLI Plumbing license basics: Exam fee $50. Registered unlicensed plumber: $14 initial application fee, $19 renewal fee. Journeyworker renewal fee: $53 (late fee $20). Master plumber renewal fee: $93 (late fee $40). Registered unlicensed plumber registrations expire June 30 each year; journeyworker and master plumber licenses expire on December 31 of odd-numbered years. | MN plumbing contractors must file a Certificate of Insurance (general liability) and a Surety Bond with the commissioner. Specific minimum amounts are set in Minnesota Rules Chapter 4716 (the Plumbing Code) and on the DLI Plumbing and Mechanical Contractors Bond page. Confirm current amounts with DLI. | Journeyworker and master plumber licenses expire on December 31 of odd-numbered years (biennial). Registered unlicensed plumber registrations expire June 30 each year. Plumbing contractor business registrations are biennial. | DLI grants master plumber licensure by reciprocity to applicants from another state whose requirements DLI determines to be equivalent to Minnesota's. Journeyworker applicants may also qualify if their home-state license required at least four years of practical plumbing experience and an examination. Confirm current reciprocity list and procedure with DLI License Unit (dli.license@state.mn.us or 651-284-5034). |
| Mississippi | yes | Mississippi Certificate of Responsibility — Plumbing Work (Major Classification, MSBOC) — statewide; commercial plumbing over $50,000, Residential Builder (Plumbing scope) — residential projects over $50,000 (or remodeling over $10,000) under MSBOC, State Department of Health Plumbing & Gas inspectors — individual licensure for plumbers working on health-department-regulated projects | PSI (NASCLA Accredited Trade Exam for plumbing, plus the MSBOC Mississippi Business and Law exam). | Per Miss. Code § 31-3-13 (in the MSBOC Commercial Laws and Rules): holders of a certificate of responsibility pay $200.00 at the time of application or renewal. On a commercial application, an additional $100 fee applies for each additional trade classification requested, and a $50 fee applies for each exam waived under reciprocity. Per the MSBOC fees page, the commercial application fee is $400 and the residential license application fee is $50 (current amounts; the $200 amount in the Code is for the certificate itself, separate from the application fee schedule). | Per the MSBOC Commercial Laws and Rules, an applicant for a Certificate of Responsibility must provide a certificate of insurance evidencing general liability coverage of at least $300,000 per occurrence and $600,000 aggregate, plus workers' compensation coverage if required by state law. Applicants who do not submit a financial statement must show a net worth of at least $20,000. A certificate of good standing from the Mississippi Secretary of State is required for entities other than sole proprietors. The MSBOC does not publish a separate surety-bond minimum beyond these requirements. | Annual; renewal notices were transitioned to email-only beginning in 2026. | Mississippi has reciprocal exam-waiver agreements with several states (Alabama, Arkansas, Louisiana, etc.) for the trade exam. The applicant must hold a current license, must have taken the out-of-state exam, and be in good standing with no recent disciplinary action against the license. A $50 fee per exam waived is paid to MSBOC. The Business and Law exam is always required. |
| Montana | yes | Master Plumber, Journeyman Plumber, Plumber Apprentice (registration) | IAPMO administers the Montana plumber examinations — after the Board approves an applicant, the candidate receives an admission letter to schedule the exam with IAPMO (per the Montana Board of Plumbers exam-information page). A passing score of 70% or better is required per MCA § 37-69-306; the vendor sets the examination fee directly. | Per Mont. Admin. R. 24.180.401 (law.cornell.edu mirror of the MT admin code, the Board of Plumbers fee schedule): Journeyman application fee $270, Master application fee $380, Medical gas endorsement application fee $100, Out-of-state application fee $400. Renewal fees: Journeyman $160, Master $265, Medical gas endorsement $30. Other fees: board-administered examination/reexamination $400, provisional license $100, master plumber of record $50, continuing education provider $50, continuing education course $25, retirement status certificate $25. All fees are nonrefundable per ARM 24.180.401(3). Additional standardized fees are specified in ARM 24.101.403. | Montana does not impose a uniform statewide bond for the plumbing license itself; liability insurance is typically required by local building permit requirements. Confirm with the Montana Board of Plumbers. | Annual — Montana Master and Journeyman plumber licenses expire annually on September 1 (per the Board of Plumbers license application). Confirm the apprentice-registration cycle with the Board of Plumbers. | Montana does not have a broad reciprocity arrangement; confirm any endorsement path with the Montana Board of Plumbers. ARM 24.180.401 lists an 'Out-of-state' application fee of $400 for non-resident applicants. |
| Nevada | yes | C-1 Plumbing and Heating Contractor (with plumbing subclassifications C-1a through C-1z, incl. C-1d Plumbing) | PSI Exams administers the Nevada Business and Law (CMS) exam and the C-1 trade examination; an exam eligibility letter is required to schedule. | NSCB fees per NAC 624.130: To issue or renew a license $600; to issue or renew an inactive license $300; for late filing of an application to renew an active license $150; to consider an application for the issuance of a license for a classification in which the applicant is not licensed $300; bond cash-deposit biennial administrative fee $200. Trade exam fee is paid separately to PSI. | NSCB requires a contractor's surety bond ranging from $1,000 to $500,000 based on the type of license, monetary limit, financial responsibility, experience, and character of the applicant (per NRS 624.270 and NSCB License Requirements). The Board may require an additional consumer-protection bond ($10,000–$400,000) for residential pool/spa contractors — not generally applicable to plumbing. | Biennial (every 2 years) for Nevada contractor licenses; inactive license is also biennial. | Nevada waives the trade examination for applicants who qualify for licensure by endorsement from a substantially equivalent state (per the NSCB State Equivalency Chart, NAC 624.615). Confirm specifics with the NSCB. |
| New Hampshire | yes | Apprentice Plumber (registration), Journeyman Plumber, Master Plumber | OPLC approves two testing organizations to administer the plumbing exam on its behalf; candidates schedule directly with one of them (e.g., NH Gasfitters, (978) 338-6252) before submitting a license application to OPLC. The exam passing grade is set by the Board. | Per the OPLC Mechanical Safety and Licensing Board License Fees page: Apprentice Plumber application/renewal/reinstatement fee $88; Journeyman Plumber $198; Master Plumber $330; Plumber Water Treatment Business $275. Per RSA 153:27-38 and Saf-Mec 501.03-501.05, all license and registration fees are set by the Board in rule and are not separately published in the statute. | The OPLC Mechanical Safety and Licensing Board requires criminal history records checks for Journeyman and Master Plumber applicants (per Plc 313.24/Plc 313.34). The Board does not publish a general-liability or bond minimum as a condition of the plumbing license in the cited source set. Local jurisdictions may require a contractor bond or insurance to register or pull permits; confirm with the city or town where you work. | Biennial (every two years), per the OPLC Mechanical Safety and Licensing License Fees page (which lists an Application Fee and a Renewal Fee for each license type). Each licensee must complete 3 hours of code update each year (6 hours per 2-year renewal cycle), per the OPLC education requirements page. | Per HB 594 (2023) and Plc 313.34, the OPLC accepts applications by endorsement from a 'qualifying jurisdiction' — per the published reciprocity table, the Qualifying Jurisdictions for the NH Master Plumber license are: Colorado, Connecticut, Delaware, Florida, Louisiana, Massachusetts, Michigan, Rhode Island, Utah, and Vermont. The Qualifying Jurisdictions for the NH Journeyman Plumber license are: Alaska, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Hawaii, Idaho, Indiana, Iowa, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nevada, New Jersey, New Mexico, North Carolina, North Dakota, Ohio, Oregon, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, Wyoming. |
| New Jersey | yes | Plumbing Apprentice (registration), Journeyman Plumber (registration), Master Plumber, Medical Gas Piping Installer / Brazer / Instructor (certifications) | The New Jersey State Board of Examiners of Master Plumbers contracts with PSI for the master plumber examination; verify the current exam vendor on the Board's licensing page before filing. | Per N.J.A.C. 13:32-5.1 (NJ State Board of Examiners of Master Plumbers Fee Schedule): Application fee without prior registration (non-refundable) $100.00; Application fee with prior registration $50.00; Initial license fee (year 1 of biennial period) $160.00, (year 2) $80.00; Biennial license renewal fee $160.00; Apprentice registration (non-refundable) $50.00; Journeyman registration without prior registration $75.00, with prior registration $50.00; Late renewal fee $50.00; Reinstatement fee $150.00; Initial pressure seal $25.00; Replacement pressure seal $25.00; Duplicate license fee $25.00; Replacement wall certificate $40.00; Verification of licensure $25.00; Continuing education sponsor application fee $100.00; Temporary courtesy license $80.00. (Medical Gas Piping certification fees: application $75, initial certification as installer $150, etc.) | Per N.J.S.A. 45:14C-4 and the Master Plumber licensing rules, a Master Plumber must maintain the bond and insurance coverage required by the Board, and submit proof of insurance or bond as a condition of initial licensure and renewal. Confirm the current minimum bond and insurance amounts with the New Jersey State Board of Examiners of Master Plumbers before filing. | Biennial (every two years) for the Master Plumber license, with a prorated year-2 initial fee and a $50 late renewal fee. | Per N.J.A.C. 13:32-2.9, the Board may issue a license by endorsement to an applicant licensed in another jurisdiction whose requirements are substantially equivalent; the licensee must hold an active license in the other state for at least 5 years and meet the New Jersey experience and exam standards. Confirm the current substantially-equivalent jurisdictions list with the Board. |
| New Mexico | yes | JP — Journeyman Plumber (certificate of competence, works under MM-1 or MM-98), MM-1 — Plumbing (contractor/master classification), MS-3 — Septic Tanks & Sewer (sub-classification, can be added to an MM-1), MM-98 — General Mechanical (umbrella classification covering MM-1 through MM-4 and MS-3 / MS-6 / MS-12 / MS-14) | PSI delivers the NM Construction Industries Division (CID) plumbing examinations on behalf of the NM Regulation and Licensing Department (RLD). Computer-based testing at PSI sites (refer to the NM RLD CID examination scheduling page for the current PSI link and phone number). | Per 14.5.5 NMAC (Fees): each applicant for an initial contractor's license pays a non-refundable application fee of $30.00 in addition to other required fees. The basic fee for an initial license or renewal in the MM-1 (Plumbing) or MS-3 (Septic) classifications is $50.00 per year, or $100.00 for two years. The mechanical journeyman examination fee is $25.00 with a renewal fee of $25.00 per year for each classification held. Exam review fee (after a single failure) is $25.00; special exam review fee (after two failures) is $40.00. Certificate of qualification issuance is $6.00; replacement of a contractor's license, certificate of qualification, or certificate of competence is $6.00 each. The mechanical/plumbing permit fee schedule (14.5.5.13 NMAC) is a separate per-fixture / per-system fee. | Per 14.6.3.8.C NMAC (Contractor's License Requirements — Proof of financial responsibility): upon initial licensure and as a condition of renewal each applicant shall furnish to the CID a bond in the amount of ten thousand dollars ($10,000) underwritten by a corporate surety authorized to transact business in New Mexico. The bond covers the entire period of licensure and any claim period. Liability insurance is not set as a statewide minimum for the plumbing license itself; local jurisdictions may require contractor insurance to pull permits. | Triennial (3 years). Per 14.6.3.8.E NMAC, a license issued pursuant to this section shall be valid for a three-year period subject to renewal requirements. | New Mexico does not have a broad reciprocity arrangement for the MM-1 plumbing classification. Out-of-state applicants apply through the standard CID application and examination process. Confirm any endorsement path with the NM CID. |
| North Carolina | yes | Plumbing Class I (P-I) Contractor — all buildings (residential, commercial, industrial), Plumbing Class II (P-II) Contractor — single-family detached dwellings only, Restricted Limited Plumbing (RLP) Contractor, Limited Plumbing Water Heater Replacement Contractor | PSI (third-party exam provider; per the 2026-06 PHFP exam application the Board issues instructions for contacting PSI to schedule the technical and business-and-law exams once the application is approved). | PHFP exam application fee is $150 per exam (per the 2026-06 PHFP exam application). Annual plumbing contractor license renewal fee is $150 (per the 2026 Indiv-Renewal form). A $25 late processing fee applies if renewing after January 31 per G.S. 87-22. The military-spouse application path lists a $30 application fee and $150 annual license fee. | Confirm current general liability / surety bond requirements with the NC State Board of Examiners of Plumbing, Heating, and Fire Sprinkler Contractors. The cited application and renewal forms do not state a statewide minimum. | Annual — licenses expire December 31 each year; renew by January 31 to avoid the $25 late processing fee (G.S. 87-22, per the 2026 Indiv-Renewal form). | No general license reciprocity. NC has a technical exam waiver agreement with South Carolina only — for specific SC licenses the NC business-law exam is still required. South Carolina Residential Plumbing waives the NC Plumbing Class II technical exam; South Carolina Commercial Mechanical, Plumbing (PB) waives the NC Plumbing Class I technical exam (per the 2026-06 PHFP exam application). |
| North Dakota | yes | Master Plumber, Journeyman Plumber, Apprentice Plumber | The North Dakota State Board of Plumbing administers the licensing examinations (Master Exam and Journeyman Exam). | The North Dakota State Board of Plumbing charges a $50.00 examination fee for both the Master and Journeyman exams. Under NDCC 43-18, the application and renewal fees are set by the Board and capped by statute (an application fee not to exceed one hundred dollars; an examination fee not to exceed two hundred dollars for a master plumber and one hundred dollars for a journeyman). Confirm the current license/renewal fee with the Board. | North Dakota plumbing contractors may be subject to bonding or insurance requirements set by the Board or local jurisdiction; confirm current requirements with the North Dakota State Board of Plumbing. | North Dakota plumbing licenses are renewed on the Board's schedule on payment of the renewal fee; confirm the current renewal period and fee with the North Dakota State Board of Plumbing. | An applicant licensed as a Journeyman or Master in another state may qualify by meeting the Board's requirements; confirm current reciprocity terms with the North Dakota State Board of Plumbing. |
| Ohio | yes | Plumbing Contractor (state OCILB license; commercial work only) | PSI Services LLC (computer-based testing at PSI sites throughout Ohio and the U.S.); the Board contracts PSI to develop and administer the licensing exams. All applicants must pass the Ohio Contractor's Business and Law exam plus a trade-specific exam (e.g., Ohio Plumbing Contractor Examination). PSI charges $69.00 per exam per specialty trade. | OCILB initial plumbing-contractor fee: $50.00 total ($25.00 exam-application fee payable to Treasurer, State of Ohio, and a separate $25.00 license fee). Renewal: $60.00 annual, or $180.00 triennial for Compliant Contractor Program members. PSI exam fee: $69.00 per exam per specialty trade. License fees have not been changed since 2001. | OCILB requires contractor's liability insurance of at least $500,000 (the OCILB testing application instructs successful applicants to provide 'proof of at least $500,000 contractor liability insurance "Certificate of Liability Insurance"'). The ORC requires the insurance be maintained in only one contracting-company name. No statewide surety bond is mandated at the state OCILB level, but municipal jurisdictions (e.g., Columbus, Cincinnati) commonly require a separate contractor bond as a local registration/permit condition. | Annual ($60.00), with a triennial option ($180.00) available to Compliant Contractor Program members. Per ORC 4740.06(H), licenses expire annually on the same date; the original-issue date governs the expiration. | OCILB has written reciprocity agreements for plumbing-contractor licenses with three jurisdictions: West Virginia, South Carolina, and Tennessee (per the LSC survey response). Per ORC 4740.08, the Board may authorize a license without examination when a written reciprocity agreement exists and the Board's specialty section determines the other state's requirements are substantially equal. Out-of-state applicants may also qualify under ORC 4740.06(C) (the SB 131 substantially-similar-license path, which requires proof of at least five authorizations for construction work in the other jurisdiction). |
| Oklahoma | yes | Plumbing Apprentice (registration), Plumbing Journeyman, Plumbing Contractor | Oklahoma CIB plumbing examinations are delivered by a third-party testing vendor; PSI and Prov have historically administered the Oklahoma plumbing trade exam. Confirm the current vendor with the CIB at the time of application. | Oklahoma CIB publishes its fee schedule by rule; confirm the current journeyman and contractor license, application, and renewal amounts with the CIB before relying on a specific figure. Plumber's Apprentice, Journeyman, and Contractor fees are set in OAC 158:30 and the Plumbing License Law of 1955. | Contractors must maintain a contractor license bond and general liability insurance per the CIB; the CIB must be listed as a certificate holder and receive notice of coverage and cancellation. The Affidavit for Plumbing (Waiver for Bond & Insurance) is a recognized filing for certain exempt work. Confirm the current bond amount and insurance minimums with the CIB before relying on a specific figure. | Annual (every 12 months). All Journeymen and Contractors are required to complete six (6) hours of continuing education within the preceding thirty-six (36) months of license expiration. | Oklahoma has a reciprocity agreement with Arkansas for the Journeyman Plumber license. Out-of-state licensees may also qualify for the Oklahoma journeyman examination by holding a current and in good standing out-of-state plumbing license (per the CIB). |
| Oregon | yes | Plumbing Journeyman, Plumbing Contractor, Supervising Plumber, Limited Specialty Plumber, Apprentice Plumber (under ORS 660.002–660.210) | Per the Oregon State Plumbing Board — confirm current exam provider (PSI / IAPMO). | Per ORS 693.135 (maximum fees, current fees set by the Board): Journeyman plumber license application $100; Journeyman plumber license renewal $50 per year; Plumbing contractor license application $150; Plumbing contractor license renewal $150 per year; Supervising plumber license application $50; Supervising plumber license renewal $50 per year; Continuing education for renewing a license $25 per year. The Board may adopt rules with fees at or below these maximums. | Per ORS 447.010–447.156, the licensed plumbing contractor carries liability insurance as required by rule; the State Plumbing Board does not impose a uniform statewide bond for the license itself — confirm with the Oregon Building Codes Division. | Per ORS 693.135: Journeyman, Plumbing Contractor, and Supervising Plumber licenses renew annually. | Oregon does not have a broad reciprocity arrangement; applicants may qualify for an out-of-state license by endorsement under the Building Codes Division reciprocity policy. Confirm specifics with the BCD. |
| Pennsylvania | local-only | Local Master Plumber (city, borough, or township; Philadelphia and Pittsburgh are the largest), Local Journeyman Plumber (where required by the municipality) | Exam vendor varies by local jurisdiction. The City of Philadelphia Department of Licenses and Inspections administers the Master Plumber License exam; Pittsburgh and other municipalities accept their own exams or recognize the Philadelphia exam. Verify the current exam vendor with the city or township licensing office before filing. | Pennsylvania does not publish a statewide plumber license fee because no statewide license exists. The City of Philadelphia Department of Licenses and Inspections publishes the Master Plumber License application and license fees on the City of Philadelphia L&I page; Pittsburgh and other municipalities set their own. Confirm the current amounts with the local jurisdiction. | Insurance and bond requirements are set by the local jurisdiction. The City of Philadelphia, for example, requires plumbing contractors to maintain general liability insurance and to register as a contractor with the City. Confirm the current local insurance and bond requirements with the city or township licensing office before pulling permits. | Renewal cycles are set by each local jurisdiction. The City of Philadelphia issues annual plumbing licenses; other municipalities may issue multi-year licenses. Confirm the current cycle with the local jurisdiction. | Reciprocity is set by each local jurisdiction. The State Board of Master Plumbers does not exist at the state level. The DE Master Plumber reciprocity table (cited in the officialSources below) confirms that PA does not have a state board and that PA-issued local licenses do not qualify DE applicants for the reciprocity pathway. |
| Rhode Island | yes | Master Plumber, Journeyperson Plumber, Apprentice Plumber | The RI DLT State Board of Plumbing Examiners administers the journeyperson and master plumbing licensing examinations. | Plumbing licenses are renewed biennially (every two years) on the licensee's birthday. The biennial renewal fee is $240.00 for a master plumber and $72.00 for a journeyperson plumber (per RICR 260-30-15). A delinquent license carries an additional $12.00-per-month administrative assessment. | A licensed master plumber / plumbing contractor must maintain at least $500,000 in liability insurance coverage and provide proof to the Board (per RICR 260-30-15). | Plumbing licenses are renewable on the birthday of the licensee for a period of two (2) years (biennial); a license not renewed within two years of expiration is forfeited and may only be reinstated by taking the examination for a new license (per RICR 260-30-15). | The State Board of Plumbing Examiners may license applicants from other jurisdictions with comparable requirements; confirm current reciprocity terms with the RI DLT State Board of Plumbing Examiners. |
| South Carolina | yes | Commercial Mechanical Contractor (with Plumbing subclassification, PB), Residential Specialty Plumbing Contractor (Residential Plumbing; under SC Residential Builders Commission) | PSI (administered for the SC Contractor's Licensing Board technical and South Carolina business-and-law examinations). | Per the SC CLB fees page: General and Mechanical Contractor Initial License Fee $350. Biennial License Renewal Fee $135 (postmarked 10/31 or before). Late-renewal surcharges: $100 (11/01-11/30), $150 (12/01-12/31), $200 (01/01-01/31). Reinstatement Fee $350. Replacement of Lost/Destroyed Certificate $10; Replacement of Lost/Destroyed License $5. | Mechanical Contractor surety bond: Group 1 $7,000, Group 2 $15,000, Group 3 $30,000, Group 4 $60,000, Group 5 $300,000 (SC Code § 40-11-262, per the SC CLB Surety_Bond_Mechanical_Contractors package, Rev. 07/11/2023). Alternatively the applicant may provide a financial statement meeting the Group's net worth / working capital threshold under § 40-11-260. Residential specialty contractors must carry a surety bond in an amount approved by the Commission when the work exceeds $5,000 (SC Code § 40-59-240(D)). | Biennial — Mechanical Contractor licenses expire 10/31 of every odd-numbered year (per the SC CLB fees page). | SC offers limited reciprocity/endorsement under SC Code § 40-11-280 — out-of-state licensees may apply but must meet SC experience and exam requirements (or qualify for the NC technical-exam waiver that NC grants to SC licensees). The SC Business Management and Law exam is always required. Confirm current reciprocal states with the CLB. |
| South Dakota | yes | Apprentice Plumber (registration), Plumber (Journeyman), Plumbing Contractor, Specialty Contractor (Sewer & Water, Appliance, Mobile Home, Underground Irrigation, Water Conditioning) | South Dakota Plumbing Commission — applicants must pass a state-administered examination (per the SD Plumbing Commission licensing requirements). | Per the South Dakota Plumbing Commission Plumbing License Application (Rev. 02/2026): the application fee is $50 for a Plumbing Contractor license, $50 for a Plumber (Journeyman) license, and $20 for a 3rd Year Apprentice Plumber license; all fees are non-refundable. Specific renewal and other license-category fees are set by the SD Plumbing Commission and the ARSD 20:39 administrative rules. | Confirm insurance and bonding requirements with the South Dakota Plumbing Commission before relying on a specific figure. Bond and insurance requirements for plumbing contractors are set by ARSD 20:39. | Annual. Plumbers and plumbing contractors licensed by exam must provide proof of completion of continuing education in 2025 before a renewal for 2026 license will be processed (per the SD Plumbing Commission). | South Dakota has reciprocal agreements with select states; the SD Plumbing Commission maintains a list of reciprocal state licenses (see the Reciprocal Agreements page on dlr.sd.gov). |
| Tennessee | yes | Limited Licensed Plumber (LLP) — individual, only required in a municipality using the Division of Fire Prevention for permits/inspections; covers work <$25,000 per project (T.C.A. § 62-6-403), Mechanical Contractor (CMC / CMC-C) — statewide, full plumbing scope above the LLP threshold (T.C.A. § 62-6-102 et seq.) | PSI (current; the Board announced that Prov will begin administering the trade exam on July 1, 2026, per the Board homepage alert). | Per the Tennessee Board for Licensing Contractors Fees page: Limit Licensed Plumber (LLP) Initial / Reinstatement $75; Renewal $50; Late Renewal Penalty $10/month (up to 3 months); Duplicate License Fee $5. Contractor Initial / Reinstatement / Ownership Change $250; Renewal $200; Late Renewal Penalty $20/month (up to 12 months). Exam fees are paid to PSI / Prov at scheduling. | General liability insurance required, with the minimum scaled to the license's monetary limit: $100,000 (limits up to $500,000), $500,000 ($500,001-$1,500,000), or $1,000,000 (over $1,500,000 / Unlimited), per the Board's Insurance Resource Information PDF (Rule 0680-6-.02). Workers' compensation required (owner/officer exemptions available). | LLP licenses renew on a biennial cycle. CMC / CMC-C licenses also renew on a biennial cycle. Confirm exact renewal dates with the Board. | Trade-exam waiver agreements with several states (the full current list is published on the Board's Reciprocity page). The Tennessee Business & Law exam is always required. LLP-level reciprocity / endorsement is not in the cited TN BLC pages; confirm with the Board. |
| Texas | yes | Plumber's Apprentice (registration), Tradesman Plumber-Limited, Journeyman Plumber, Master Plumber | TSBPE examinations are delivered via Pearson VUE computer-based testing, with a practical 'hands-on' component for certain license types (Tradesman-Limited, Journeyman, MedGas). | TSBPE fees: Plumber's Apprentice registration application fee $15 (and $15 renewal). Master Plumber: a $25 exam processing fee payable to the TSBPE, plus a $128.50 examination fee paid to Pearson VUE on the day of the exam; the Master Plumber initial license fee is $75 and the annual renewal fee is $75. The Journeyman and Tradesman Plumber-Limited tiers carry their own TSBPE exam and license fees. | Texas does not impose a statewide bond or liability-insurance minimum as a condition of the plumbing license itself. Local jurisdictions may require a contractor bond or insurance to register or pull permits; confirm requirements with the municipality where you work. | Annual. | Texas does not offer broad reciprocity. Out-of-state Journeyman and Master plumbers may qualify to test through the TSBPE's out-of-state examination request process. Confirm current eligibility with the TSBPE. |
| Utah | yes | Apprentice Plumber (registration), Journeyman Plumber, Master Plumber, Residential Journeyman Plumber, Residential Master Plumber | Prov (the current vendor listed on the DOPL plumbing pages); the Utah Master Plumber Law and Rule exam is required for the master tier. | Renewal Fees: $74 (per the Utah DOPL Plumbing renewal page). Initial application fees and additional exam-related fees (e.g. Prov exam fees) are set in R156-55c; confirm current initial application and exam fees with the Utah DOPL before relying on a specific number. | Confirm insurance and bonding requirements with the Utah DOPL; journeyman/master plumber licenses are competency certifications, and contractor registration (handled through the Construction Trades Licensing Act Rule R156-55a) governs business-entity-level insurance/bond. Specific insurance and bond amounts are not stated on the cited DOPL plumbing pages. | Licenses expire on November 30 of even years. During each two-year license term, the licensee must complete 12 hours of continuing education coursework, of which a minimum of 8 hours must be core education (per R156-55c-304, cited on the DOPL renewal page). | Utah has Out-of-State Application by Endorsement: if the state the applicant is licensed in shows an equivalent to the Utah license, the applicant may apply by endorsement with a Verification of Licensure from the originating state. If no equivalent, the applicant must meet Utah's standard licensing requirements (per the DOPL journeyman plumber page). |
| Virginia | yes | Plumbing Apprentice (registration), Plumbing Journeyman, Plumbing Master, Plumbing Contractor (Class A, B, or C under 18 VAC 50-22 / 54.1-1100 et seq.) | Virginia DPOR examinations are administered through PSI; the tradesman (plumbing) and contractor (Class A/B/C) examinations are scheduled through PSI per the Board for Contractors. | Renewal fees per 18 VAC 50-22-140 (Cornell LII): Class C renewal $195, Class B renewal $225, Class A renewal $240, Residential Building Energy Analyst Firm renewal $195 (current schedule effective after August 31, 2025; prior schedule was Class C $150 / Class B $175 / Class A $200 / RBEA Firm $150). Tradesman license application fees are set by DPOR and listed on the Tradesman Application form. | Virginia Class A/B/C plumbing contractors must meet the Board for Contractors' minimum insurance and financial-responsibility requirements (general liability, workers' comp, etc.) as set in 18 VAC 50-22 and § 54.1-1100 et seq. Specific minimums are not in the cited renewal-fee section. | Biennial. The DPOR Board for Contractors renews licenses on a 2-year cycle; renewal fees per 18 VAC 50-22-140. | Virginia DPOR offers Universal License Recognition (A501-2710ULR) for out-of-state Tradesman applicants; see DPOR Forms & Applications for the form and any state-specific requirements. |
| Washington | yes | Plumber Trainee, Specialty Plumber (e.g., pump, domestic pump, medical gas, backflow), Journey Level Plumber, Residential Service Plumber, Plumbing Contractor | Washington Department of Labor & Industries (L&I), Plumber Certification, in coordination with a state-authorized testing contractor. The exam fees are set by contract with the department. | Per WAC 296-400A-045 (Department of L&I): Plumbing contractor initial/renewal/re-registration: $139.10 (2-year cycle). Initial identification or change in designated plumber: $50.00. Examination application for journey level, residential specialty, residential service, backflow certification, or domestic pump: $189.80. Reciprocity application: $189.80. Trainee certificate: $56.40 (1-year or when hours updated). Temporary permit: $94.20 (120 days). Journey level, residential specialty, or residential service certificate renewal or 1st card: $227.90 (3 years). Domestic pump specialty certificate renewal: $228.00 (3 years). Backflow assembly maintenance and repair specialty certificate renewal: $157.20 (3 years). Medical gas endorsement application: $69.80. Medical gas endorsement renewal: $156.70 (3 years). Reinstatement of a plumbing contractor license: $69.50. Reinstatement fee for residential and journey level certificates: $304.70. Reinstatement fee for backflow certificates: $175.20. Reinstatement fee for domestic pump: $456.30. Replacement fee: $25.60. Unsupervised trainee endorsement: $40.70. Inactive status fee: $40.70. Certified letter fee / verification of licensure: $40.70. Service of process fee: $55.00. Document copy: $2.40/page (max $37.40). Continuing education new course fee: $246.70 (3-year). Continuing education renewal course fee: $123.10 (3-year). Continuing education classes: $14.90/hour (or $9.90/hour for correspondence/internet). | Per RCW 18.106.410-420: Plumbing contractors must post a surety bond or savings account (per WAC 296-400A-012) and carry liability insurance/financial responsibility (per RCW 18.106.420). Specific minimums are not on the cited WAC 296-400A-045 fee section; confirm current bond and insurance minimums with the Department of L&I Plumber Certification program. | Plumbing contractor: 2-year cycle ($139.10). Plumber certificates (journey level, residential, residential service, specialty): 3-year cycle. Medical gas endorsement: 3-year renewal. Trainee certificate: 1-year or when hours are updated (per WAC 296-400A-045). | Per RCW 18.106.155 and WAC 296-400A-045: A reciprocity application is $189.80; reciprocity is only allowed for applicants applying work experience toward certification that was obtained in state(s) with which the department has a reciprocity agreement. The reciprocity application is valid for one year (per WAC 296-400A-045). |
| West Virginia | yes | Plumber in Training (Apprentice), Journeyman Plumber, Master Plumber | West Virginia Division of Labor (Plumber Certification program). The Master Plumber and Journeyman Plumber exams are administered by the Division; confirm current delivery format with the WV Division of Labor. | Per the WV Division of Labor Plumber Certification Fees page: Master and Journeyman Initial Certification and Renewal Fee: $75.00. Plumber in Training Initial Certification and Renewal Fee: $25.00. Duplicate Certification Fee: $10.00. Late Fee: $25.00. | Confirm insurance and bonding requirements with the West Virginia Division of Labor Plumber Certification program. The WV plumbing certification is separate from the West Virginia Contractor Licensing Board (which licenses the contracting business entity). | Annual (every 12 months). Per state law and § 21-14, plumbing licenses expire annually; renewal requires continuing education. | Per W. Va. Code § 21-14 and 30 CSR 9: West Virginia may recognize out-of-state plumbing experience and licenses under conditions set by the Division; confirm current reciprocal arrangements with the WV Division of Labor. |
| Wisconsin | yes | Plumbing Apprentice (Learner), Journeyman Plumber, Master Plumber, Master Plumber Restricted Service, Master Plumber Restricted Appliance, Plumbing Utility Contractor | Wisconsin Department of Safety and Professional Services (DSPS) — applicants apply through the LicensE portal (license.wi.gov); exam scheduling is administered by DSPS-approved providers. | Per the Wisconsin DSPS Trades Renewal Dates and Fees schedule (Rev. 1/4/2024), Journeyman Plumber $180.00 renewal fee, Master Plumber $500.00 renewal fee, Plumbing Apprentice $15.00 renewal fee, and $200.00 reinstatement fee across the Trades program. The 4-year credential cycle renews on March 31 for plumbing licensees. Initial credential fees and the late-CE fee of $25.00 are also set in the schedule. | Per Wis. Stat. ch. 145 and SPS 305: plumbing contractors and utility contractors must meet Wisconsin's financial-responsibility requirements. Specific minimums are not in the cited DSPS profession pages; confirm with DSPS. | Per the DSPS Trades Renewal Dates and Fees schedule: Journeyman Plumber and Master Plumber renew on a 4-year cycle (expiring March 31); a Plumbing Apprentice credential renews annually (one year from date of issuance). | Wisconsin does not have a general reciprocity pathway for out-of-state plumbers; applicants typically must apply through the standard licensing process via LicensE (license.wi.gov). Endorsement may be available for select states; confirm with DSPS. |