Wyoming · Plumbing licensing

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

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State license
Not required
Renewal
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Wyoming Plumbing overview

Quick facts

Largest market
Info
Local (Cheyenne, Casper, etc.)
State code
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Wyoming Plumbing Code (UPC 2018 basis, for state property)
Reciprocity
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Municipal (varies)

While many states centralize professional trade licensing, Wyoming stands apart: there is no statewide plumbing license. Instead, the authority and responsibility for regulating plumbers rest entirely with individual cities and counties. This guide cuts through the confusion, providing a clear roadmap to understanding Wyoming's local plumbing requirements and offering a detailed look at the process in one of the state's largest jurisdictions, the City of Cheyenne.

Do You Need a Plumbing License in Wyoming?

In Wyoming, there is no statewide plumbing license required; instead, individual cities and counties regulate plumbing professionals, meaning local licenses are often necessary to perform work. This local-control approach means that the requirements to work legally as a plumber can vary significantly from one jurisdiction to another.

If you plan to perform plumbing work in any incorporated city or county, you must first verify its specific licensing regulations. Operating without the required local license can result in work-stoppage orders, fines, and other penalties.

Understanding Wyoming's Local Plumbing Licenses

The primary challenge for plumbers in Wyoming is navigating the patchwork of local rules. Instead of a single state board, you will interact with municipal building departments or contractor licensing boards. These local bodies set their own license tiers, experience thresholds, exam requirements, and fees.

Before starting any work, you must identify which local government has jurisdiction and contact its building or licensing department to understand the specific requirements you must meet.

How to Get a Plumbing License in the City of Cheyenne (Example Jurisdiction)

As Wyoming's capital and largest city, Cheyenne provides a comprehensive example of a typical local licensing framework. The following requirements are based on the City of Cheyenne's Contractor Licensing Regulations.

Plumbing Craft Employee License Tiers in Cheyenne

The City of Cheyenne issues several tiers of craft employee licenses for plumbers, each with a defined scope of work:

  • Master-level craft employee: This license authorizes the holder to plan, lay out, supervise, and perform all plumbing work.
  • Journeyman-level craft employee (full/unrestricted): This license allows the holder to perform all types of plumbing work under the general supervision of a Master-level plumber.
  • Residential Plumbing/Mechanical Journeyman (restricted): This license restricts the holder to performing plumbing work on residential structures governed by the International Residential Code (IRC). They must maintain a 1:1 supervision ratio when overseeing an apprentice.

Experience Requirements for Each Cheyenne Plumbing Tier

To qualify for a license in Cheyenne, you must provide documented proof of relevant work experience:

  • Master-level craft employee:
    • Four years (8,000 hours) of documented experience as an apprentice or equivalent certified training.
    • An additional three years (6,000 hours) of documented experience as a licensed journeyman.
  • Journeyman-level craft employee:
    • Four years (8,000 hours) of documented experience as a licensed apprentice.
  • Residential Plumbing/Mechanical Journeyman:
    • Two years (4,000 hours) of documented experience as a licensed apprentice.

The City may grant credit for relevant military service for up to one-third of the required experience time.

Plumbing License Exam Details for Cheyenne

Cheyenne requires all applicants for Master and Journeyman level licenses to pass an approved examination. You must provide proof of a passing score with your application. The City of Cheyenne Contractor Licensing Board approves exams from several nationally recognized testing agencies, including:

  • International Code Council (ICC)
  • National Institute for Certification in Engineering Technologies (NICET)
  • National Association of State Contractors Licensing Agency (NASCLA)

The Board may also approve other exams at its discretion. You must confirm which specific exam is required for your desired license tier before scheduling a test.

Step-by-Step Application Process in Cheyenne

  1. Confirm Eligibility: Verify you meet the specific experience requirements for the Master, Journeyman, or Residential Journeyman license tier you are seeking.
  2. Pass an Approved Exam: Schedule and pass the correct examination from a Board-approved testing provider like the ICC or NICET.
  3. Complete the Application: Fill out the official license application form provided by the City of Cheyenne.
  4. Gather Documentation: Assemble all required documents, including your official exam score report and detailed proof of your work experience.
  5. Submit and Pay Application Fee: Submit your completed application package along with the non-refundable application fee to the Cheyenne Building Permitting & Licensing office.
  6. Await Board Review: The Contractor Licensing Board will review your application for completeness and to verify your qualifications.
  7. Pay License Fee: Upon approval of your application, you will be notified to pay the initial license fee to have your license issued.

Required Fees for Cheyenne Plumbing Licenses

Fees are set by the city and are required at different stages of the process. The fees for Building Trade Licenses (which include plumbers) are:

  • Master/Qualified Supervisor:
    • Application Fee: $50
    • Initial License Fee: $50
    • Renewal Fee: $25
  • Journeyman:
    • Application Fee: $50
    • Initial License Fee: $30
    • Renewal Fee: $15
  • Apprentice:
    • Application Fee: $10
    • Initial License Fee: $10
    • Renewal Fee: $5

Note that a separate Plumbing (Class C-1) business contractor license has its own fee schedule.

Insurance and Bonding Requirements in Cheyenne

Individuals holding craft employee licenses (Master, Journeyman) are not typically required to carry their own insurance. However, a business operating as a Plumbing (Class C-1) Contractor must provide proof of the following:

  • Commercial General Liability Insurance: Minimum limits of $300,000 per occurrence and $600,000 total aggregate.
  • Wyoming Workers’ Compensation Insurance: As required by state law.

License Renewal and Continuing Education in Cheyenne

Renewal cycles and continuing education (CE) requirements are set by the municipality. Confirm the current renewal deadline and any CE requirements directly with the Cheyenne Building Permitting & Licensing office to ensure your license remains in good standing.

Reciprocity and Endorsement in Cheyenne

Wyoming has no statewide reciprocity for plumbing licenses. However, the City of Cheyenne's Contractor Licensing Board may, at its discretion, approve an exam from another jurisdiction if it meets or exceeds Cheyenne's standards. This is not automatic and is handled on a case-by-case basis. You must formally apply and provide all necessary documentation from the other jurisdiction for the Board's consideration.

Finding Your Local Plumbing Licensing Authority in Other Wyoming Jurisdictions

While the Cheyenne example is detailed, it is not a substitute for local verification. Requirements in other cities like Casper, Laramie, or Gillette will differ.

To find the rules for another area, start by contacting the city clerk's office or the local building department. Ask for the office in charge of "contractor licensing" or "trade licensing" to get the most accurate and up-to-date information.

What If I Want to Work as a Plumbing Contractor (Business) in Wyoming?

Operating a plumbing business is distinct from holding an individual craft license. If you plan to run a company, hire employees, and advertise plumbing services, you will likely need a plumbing contractor business license from the city or county where you operate.

These business licenses typically require:

  • State business registration with the Wyoming Secretary of State.
  • A federal Employer Identification Number (EIN).
  • Proof of commercial general liability and workers' compensation insurance.
  • Designation of a licensed Master Plumber as a "Qualified Supervisor" for the company.

These requirements are also managed at the local level, so you must verify them with each jurisdiction.

Exam

Prepare for the Wyoming Plumbing Licensing Exam

Exams are administered by Not applicable at the state level. As an example of the largest jurisdiction, the City of Cheyenne's Contractor Licensing Board maintains a list of approved exams administered by the International Code Council (ICC), National Institute for Certification in Engineering Technologies (NICET), National Association of State Contractors Licensing Agency (NASCLA), or other Board-approved testing agencies; no license issues without proof of successful completion of a current published exam from one of these. Confirm the exam vendor with the local jurisdiction where you intend to work.. Structured study resources can help you prepare.

Wyoming Plumbing licensing

Common questions

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

No. Wyoming does not require a statewide Plumbing contractor license, though local jurisdictions may have their own rules.

How much does an Plumbing license cost in Wyoming?

Wyoming does not impose a statewide plumbing license fee. As an example of the largest jurisdiction, the City of Cheyenne charges Building Trade License fees (covering plumbing, electrical, refrigeration, and HVAC craft employees) of: Master/Qualified Supervisor — $50 application, $50 initial, $25 renewal; Journeyman — $50 application, $30 initial, $15 renewal; Apprentice — $10 application, $10 initial, $5 renewal. Cheyenne's separate Plumbing (Class C-1) business Contractor License carries its own application/initial/renewal fee schedule under the same regulations. Other Wyoming jurisdictions set their own fees — confirm with the local building department where you work.

How often do you renew an Plumbing license in Wyoming?

Not applicable at the state level; renewal cycles vary by municipality. Confirm with the local building department.

Does a Wyoming Plumbing license transfer to other states?

Not applicable at the state level (no statewide license to reciprocate). As an example, the City of Cheyenne's Contractor Licensing Board may, at its discretion, approve exams that exceed its standard published exams for applicants who hold a current equivalent license in another jurisdiction. Other Wyoming municipalities set their own reciprocity policy — confirm with each jurisdiction.

Frequently Asked Questions About Wyoming Plumbing Licenses

Do you need a license to be a plumber in Wyoming?

No, Wyoming does not have a statewide license for plumbers. However, most cities and counties require plumbers to be licensed locally to perform work within their jurisdictions. You must check with the local building or licensing department where you plan to work.

Does Wyoming have a state plumbing license?

No. Wyoming is one of the few states that does not issue or require a state-level plumbing license. All licensing and regulation occur at the municipal (city or county) level.

How do I get a plumbing license in Wyoming?

To get a plumbing license in Wyoming, you must apply with the specific city or county where you intend to work. The general process involves documenting sufficient work experience as an apprentice, passing an approved examination (like one from the ICC), submitting a formal application with the required fees, and meeting any local insurance requirements.

How do I become a journeyman plumber in Wyoming?

The path to becoming a journeyman plumber is defined by local ordinances. Using the City of Cheyenne as an example, you must complete four years (8,000 hours) of documented work as a licensed apprentice and pass an approved journeyman plumber examination.

What are the insurance requirements for plumbers in Wyoming?

There are no statewide insurance requirements. For a business, local rules apply. For example, a Plumbing (Class C-1) Contractor in the City of Cheyenne must carry commercial general liability insurance with limits of at least $300,000 per occurrence / $600,000 aggregate, plus workers' compensation coverage.

What's the difference between a journeyman and master plumber license in Wyoming (e.g., in Cheyenne)?

In jurisdictions like Cheyenne, a journeyman plumber is licensed to perform plumbing work under the supervision of a master plumber. A master plumber is licensed to plan, lay out, and supervise all plumbing work in addition to performing it. The experience requirements are also higher for a master license, typically requiring several years of work as a licensed journeyman.

Does Wyoming offer plumbing license reciprocity with other states?

Because Wyoming has no state license, it cannot offer statewide reciprocity. Some local jurisdictions, like the City of Cheyenne, may have provisions to accept a license or exam from another jurisdiction on a case-by-case basis if the requirements are deemed equivalent or greater, but this is at the local board's discretion.

How Wyoming compares

Wyoming vs. other state licensing rules

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

StateLicenseClassesExamRenewal
Wyoming This guideNo1 classesRequiredNot applicable at the state level; renewal cycles vary by municipality. Confirm with the local building department.
AlabamaRequired5 classesRequiredAnnual
AlaskaRequired3 classesRequiredEvery 2 years
ArizonaRequired3 classesRequiredEvery 2 years
ArkansasRequired5 classesADH-administered (monthly at ADH Auditorium)Annual (Dec 31, late fee $5/mo after Feb 1)

Next step

Prepare for your Wyoming Plumbing license

Mometrix’s Plumbers Exam Secrets study guide and flashcards — targeted review and practice questions for the licensing exam.

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Official sources

Next source review due 2027-01-03. Last reviewed 2026-07-03. Confirm current requirements with the official licensing authority before applying.