Oregon · Plumbing licensing

How to Get a Plumbing License in Oregon (2026 Guide)

Verified against 5 official sourcesReviewedNext review·Confidence: medium
State license
Required (state)
Renewal
$100 / $50 (yr)

Oregon PLUMBING overview

Quick facts

Tiers
Info
Journeyman / Contractor / Supervising / Limited Specialty / Apprentice
Journeyman app / renewal
Info
$100 / $50 (yr)
Contractor app / renewal
Info
$150 / $150 (yr)

Navigating plumbing licensure in Oregon means understanding the clear distinctions and stringent requirements set by the Oregon State Plumbing Board across its various classifications, from apprentice to contractor. To legally perform plumbing work in the state, you must obtain the correct license from the Building Codes Division (BCD). This guide provides a definitive overview of the license types, application process, and compliance requirements for plumbers in Oregon.

Do You Need a Plumbing License in Oregon?

Yes, individuals performing plumbing work in Oregon, and businesses offering plumbing services, are required to hold the appropriate license issued by the Oregon State Plumbing Board, under the authority of the Oregon Building Codes Division. State law, specifically Oregon Revised Statutes (ORS) Chapter 693, mandates that any person engaging in the trade of plumbing must be licensed.

Types of Oregon Plumbing Licenses

Oregon offers several distinct plumbing license classifications, including Journeyman Plumber, Plumbing Contractor, Supervising Plumber, Limited Specialty Plumber, and Apprentice Plumber, each with specific scopes of work and requirements.

Oregon Journeyman Plumber License

A Journeyman Plumber (JP) is licensed to engage in the trade of plumbing under the supervision of a licensed supervising plumber or plumbing contractor.

  • Scope of Work: Perform all aspects of plumbing installation, alteration, and repair.
  • Requirements: Applicants must demonstrate sufficient experience, typically through a completed apprenticeship or equivalent on-the-job training, and pass a state-approved examination to prove their qualifications, per ORS 693.060.

Oregon Plumbing Contractor License

A Plumbing Contractor license is a business license that allows a company to engage in the business of making plumbing installations.

  • Scope of Work: Offer, bid on, and perform plumbing work for the public.
  • Requirements: A plumbing contractor business must employ at least one full-time supervising plumber. The business must also meet state requirements for registration and insurance as defined in ORS Chapter 447.

Oregon Supervising Plumber License

A Supervising Plumber is a licensed journeyman plumber authorized to supervise the plumbing work of other licensees and direct the layout of plumbing installations.

  • Scope of Work: Supervise journeyman plumbers, direct plumbing work, and ensure compliance with the state plumbing code.
  • Requirements: Applicants must typically hold a journeyman plumber license for a specified period and pass a supervising plumber examination, as outlined in ORS 693.095.

Oregon Limited Specialty Plumber License

The state offers various limited specialty licenses for specific, narrower scopes of work, such as a Residential Water Heater Installer. The requirements and authorized work for these licenses are specific to each specialty and are defined by the State Plumbing Board.

Oregon Apprentice Plumber Registration

An Apprentice Plumber is an individual learning the trade under the direct supervision of a licensed journeyman or supervising plumber.

  • Role and Supervision: Apprentices work under an approved apprenticeship program, gaining the required hours of on-the-job training and classroom instruction needed to eventually qualify for the journeyman exam. They must be registered through programs governed by ORS 660.002–660.210.

Oregon Plumbing License Requirements Checklist

To qualify for a plumbing license in Oregon, applicants must meet specific experience, education, and examination criteria established by the State Plumbing Board.

Experience Requirements by License Type

  • Journeyman Plumber: Applicants must complete a registered apprenticeship program or provide verification of equivalent experience and training. The specific hour requirements for on-the-job training and classroom instruction are set by the State Plumbing Board's rules; confirm the current requirements with the Oregon Building Codes Division before applying.
  • Supervising Plumber: Candidates generally must have a specified amount of experience working as a licensed journeyman plumber. Confirm the current experience requirements with the Building Codes Division.
  • Plumbing Contractor: This is a business license and requires compliance with business registration laws and employment of a supervising plumber.

Education and Training

The primary pathway to licensure is the completion of a state-approved apprenticeship program, which combines structured on-the-job training with related classroom instruction. The State Plumbing Board adopts rules under ORS 455.117 to verify the competence of applicants, which may include evaluating equivalent experience from other states or trade schools.

Age and General Eligibility

The specific minimum age and general eligibility requirements are set by the State Plumbing Board. Confirm these details with the Building Codes Division before starting your application.

The Oregon Plumbing License Application Process

Obtaining an Oregon plumbing license involves submitting a comprehensive application to the Oregon Building Codes Division, followed by examination and fee payment.

  1. Verify Eligibility and Experience: Confirm you meet the required hours of on-the-job training and classroom instruction for the license you are seeking.
  2. Complete the Official Application Form: Obtain the correct application form from the Oregon Building Codes Division website.
  3. Gather Required Documentation: Compile all necessary documents, which may include transcripts, affidavits of experience, and proof of apprenticeship completion.
  4. Submit Application and Fees: Submit the completed application along with the required application fee to the Building Codes Division.
  5. Schedule and Pass the Required Examination: Once your application is approved, you will be authorized to schedule and take the required licensing exam.

Oregon Plumbing License Exam Details

All journeyman and supervising plumber applicants in Oregon must pass a state-approved examination to demonstrate competence, typically administered by a designated testing service.

Exam Providers and Registration

The State Plumbing Board approves examinations to verify applicant competence, which may be administered by IAPMO or another state-authorized testing service. After your application is approved by the Building Codes Division, you will receive instructions on how to register for the exam with the designated provider.

Exam Content and Format

The exam typically covers the Oregon Plumbing Specialty Code, which adopts the Uniform Plumbing Code (UPC) with state-specific amendments. Key topics often include:

  • Drain, waste, and vent systems
  • Water distribution systems
  • Fixtures and equipment
  • Safety standards
  • Plumbing calculations

The number of questions, time limit, and passing score are published by the testing service. Confirm these details when you register for your exam.

Preparing for Your Exam

Applicants should study the most current edition of the Oregon Plumbing Specialty Code. Other recommended study materials may be listed in the candidate information bulletin provided by the exam administrator.

Oregon Plumbing License Fees and Costs

Applicants for an Oregon plumbing license should anticipate several fees, including application, examination, and initial licensing fees, which vary by license type. Oregon statute ORS 693.135 sets the maximum allowable fees, and the State Plumbing Board adopts the current fee schedule.

  • 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 Fee (for renewal): $25 per year

These figures represent the maximums allowed by state law. Confirm the exact current fees with the Oregon Building Codes Division before submitting payment. Examination fees are often paid directly to the testing provider and are separate from the application fee.

Insurance and Bond Requirements for Oregon Plumbing Contractors

Plumbing contractors in Oregon are required to carry specific liability insurance, though a statewide bond for the license itself is not imposed by the State Plumbing Board.

Liability Insurance

Per ORS 447.010–447.156, licensed plumbing contractors must carry liability insurance. The specific minimum coverage amounts are set by board rule. Confirm the current insurance requirements with the Oregon Building Codes Division before securing a policy.

Bonding Requirements

The State Plumbing Board does not impose a uniform statewide bond for a plumbing contractor license. However, local municipalities or specific project contracts may require you to obtain a performance or payment bond.

Oregon Plumbing License Renewal and Continuing Education

Oregon plumbing licenses require annual renewal, contingent upon completing specific continuing education hours as mandated by the State Plumbing Board.

Renewal Cycle and Deadlines

Journeyman, Plumbing Contractor, and Supervising Plumber licenses must be renewed annually. The specific deadline and renewal process are managed by the Building Codes Division.

Continuing Education (CE) Requirements

To renew a license, plumbers must complete a set number of continuing education hours, as required by the State Plumbing Board under ORS 693.111. The required hours and subject matter, such as code changes or safety, can vary. Always verify the current CE requirements for your specific license type with the Building Codes Division well in advance of your renewal date.

Does Oregon Offer Plumbing License Reciprocity?

While Oregon does not have broad reciprocity agreements with other states, out-of-state applicants may qualify for endorsement based on their existing licenses and experience under the Building Codes Division's specific policy. This process typically involves a review of your work experience and confirmation that you have passed a substantially similar licensing exam in another state. Contact the Building Codes Division directly to determine if your out-of-state license and experience qualify for endorsement.

Requirement

Oregon Insurance & Bond Requirements

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.

Always confirm current coverage and bond minimums with the issuing authority before purchasing a policy.

Oregon Plumbing licensing

Common questions

Do you need a license to do Plumbing work in Oregon?

Yes. Oregon requires a state-issued Plumbing contractor license to perform Plumbing work. The State Plumbing Board examines all journeyman plumber applicants for qualifications (per ORS 693.060 and 693.120). Applicants typically must complete an apprenticeship or equivalent and pass the IAPMO or board-administered examination. The Board adopts rules under ORS 455.117 to verify competence. For Supervising Plumber and Plumbing Contractor licenses, additional experience and exam requirements apply per ORS 693.095 and ORS 447.010 et seq. Confirm specific year/experience requirements with the Oregon Building Codes Division, State Plumbing Board.

How much does an Plumbing license cost in Oregon?

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.

How often do you renew an Plumbing license in Oregon?

Per ORS 693.135: Journeyman, Plumbing Contractor, and Supervising Plumber licenses renew annually.

Does a Oregon Plumbing license transfer to other states?

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.

Frequently Asked Questions

Do I need an apprenticeship to get a journeyman plumbing license in Oregon?

Yes, the primary pathway to becoming a licensed journeyman plumber in Oregon is through the completion of a state-approved apprenticeship program. The State Plumbing Board may also accept equivalent experience and training, but you must verify your qualifications with the Building Codes Division.

What is the difference between a Journeyman Plumber and a Supervising Plumber in Oregon?

A Journeyman Plumber is licensed to perform plumbing work, while a Supervising Plumber has additional qualifications and is licensed to supervise the work of journeyman plumbers and direct the layout of plumbing systems.

How much does the Oregon plumbing license exam cost?

The examination fee is separate from the license application fee and is paid directly to the state-approved testing provider. The specific cost is set by the provider; confirm the current fee when you register for your exam.

What are the continuing education requirements for an Oregon journeyman plumber license renewal?

The State Plumbing Board sets the continuing education requirements for all license renewals. You must confirm the current total hours and the specific breakdown for categories like code changes and Oregon rules and law directly with the Oregon Building Codes Division.

How do I renew my Oregon plumbing license?

You must renew your plumbing license annually through the Oregon Building Codes Division. The process typically involves submitting a renewal application, paying the renewal fee, and attesting to the completion of your required continuing education hours.

Does Oregon have reciprocity for plumbing licenses with other states?

Oregon does not have automatic reciprocity agreements. However, you may be eligible for a license through endorsement if you hold a license in another state with similar requirements and have passed a comparable exam. You must apply for endorsement and have your qualifications reviewed by the Building Codes Division.

How Oregon compares

Oregon vs. other state licensing rules

Use this quick comparison to jump to nearby state requirements or see where rules differ.

StateLicenseClassesExamRenewal
Oregon This guideRequired5 classesRequiredAnnual
AlabamaRequired5 classesRequiredAnnual
ArizonaRequired3 classesRequiredEvery 2 years
ArkansasRequired5 classesADH-administered (monthly at ADH Auditorium)Annual (Dec 31, late fee $5/mo after Feb 1)
CaliforniaRequired1 classesRequiredEvery 2 years (active) / 4 years (inactive)

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Official sources

Next source review due 2026-12-22. Last reviewed 2026-06-22. Confirm current requirements with the official licensing authority before applying.