Alaska Plumber License Requirements

Official classification: Certificate of Fitness - Plumbing · Issued by the Alaska Department of Labor & Workforce Development, Mechanical Inspection Section.

🔧 PlumberAK ✔ Verified 2026-07-11

In Alaska, plumbers must hold the Certificate of Fitness - Plumbing, issued by the Alaska Department of Labor & Workforce Development, Mechanical Inspection Section, and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed plumber in Alaska

Follow these steps to earn your Certificate of Fitness - Plumbing. Every figure is verified against the Alaska Department of Labor & Workforce Development, Mechanical Inspection Section; full detail for each step is further down the page.

  1. Build the required experience. Journeyman: 8,000 hours of documented plumbing work under direct supervision of journey-level tradesperson, with up to 1,000 hours of trade-related classroom training counting toward requirement. As of August 2025, military and vocational hours accepted up to 4,000 hours maximum. Gas (restricted): 2,000 hours installing fuel and gas piping, or 4,000 hours general plumbing. Utility (restricted): 1,000 hours installing water, sewer, or storm utility lines.
  2. Pass the Journeyman Plumber Examination exam. Providers, passing scores and fees are in the Exams section below.
  3. Line up insurance. You'll need liability insurance (—).
  4. Clear the background check. Required; applicants must pass background check with Mechanical Inspection Section covering criminal history
  5. Meet the credit / financial requirement.
  6. Submit your application and fees. Apply through the Alaska Department of Labor & Workforce Development, Mechanical Inspection Section — $50 application fee, plus a $200 license fee. Processing time: 7-10 business days.
  7. Keep the license active. Renew 2 years, completing Journeyman: at least 16 hours per 2-year renewal, with at least 8 hours covering changes and updates to the Uniform Plumbing Code (8 AAC 90.192). Alaska issues no master-level plumbing certificate.

Alaska plumber license lookup

There is no single statewide search database for this license — to confirm a plumber is properly licensed in Alaska, verify license status directly with the issuing authority: labor.alaska.gov/lss/plumbing_electrical.htm.

License types

Requirements at a glance

Experience requiredJourneyman: 8,000 hours of documented plumbing work under direct supervision of journey-level tradesperson, with up to 1,000 hours of trade-related classroom training counting toward requirement. As of August 2025, military and vocational hours accepted up to 4,000 hours maximum. Gas (restricted): 2,000 hours installing fuel and gas piping, or 4,000 hours general plumbing. Utility (restricted): 1,000 hours installing water, sewer, or storm utility lines.
Application fee$50
License fee$200
Renewal fee$200
Renewal period2 years
Continuing educationJourneyman: at least 16 hours per 2-year renewal, with at least 8 hours covering changes and updates to the Uniform Plumbing Code (8 AAC 90.192). Alaska issues no master-level plumbing certificate.
Bond requiredNone required
Liability insurance
Property damage
Workers' comp
Background checkRequired; applicants must pass background check with Mechanical Inspection Section covering criminal history
Credit requirement
ReciprocityNone
Processing time7-10 business days

Exams

Journeyman Plumber ExaminationProvider: Board-approved testing vendor · Passing: 70% · Fee: $50
Preparing for the Plumber exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Homeowners may perform plumbing work on their own property without a certificate. Reciprocal certificates may be issued case-by-case if out-of-state credentials meet Alaska's equivalent standards; reciprocal certificate valid for full 2 years and renewable as normal journey-level certificate.

Frequently asked questions

How much does an Alaska plumber license cost?

Application: $50. License: $200. Renewal: $200.

Do plumbers in Alaska need a surety bond?

None required

What experience is required for an Alaska plumber license?

Journeyman: 8,000 hours of documented plumbing work under direct supervision of journey-level tradesperson, with up to 1,000 hours of trade-related classroom training counting toward requirement. As of August 2025, military and vocational hours accepted up to 4,000 hours maximum. Gas (restricted): 2,000 hours installing fuel and gas piping, or 4,000 hours general plumbing. Utility (restricted): 1,000 hours installing water, sewer, or storm utility lines.

Is insurance required for plumbers in Alaska?

Liability: — Workers' compensation: —

How often must an Alaska plumber license be renewed?

2 years. Continuing education: Journeyman: at least 16 hours per 2-year renewal, with at least 8 hours covering changes and updates to the Uniform Plumbing Code (8 AAC 90.192). Alaska issues no master-level plumbing certificate.

Fees and rules change frequently (often annually). This page was last verified on 2026-07-11 — always confirm current requirements directly with the Alaska Department of Labor & Workforce Development, Mechanical Inspection Section before applying. This is not legal advice.

Official sources

labor.alaska.gov/lss/plumbing_electrical.htm
labor.alaska.gov/lss/miforms.htm
labor.alaska.gov/lss/mihome.htm
labor.state.ak.us/lss/mi-faq.html
labor.state.ak.us/lss/contractor_licensing.htm
howtobecomeaplumber.org/alaska
law.cornell.edu/regulations/alaska/8-AAC-90.137

Other Alaska contractor licenses

⚡ Electrician
Certificate of Fitness - Electrician
🏗️ General Contractor
General Contractor

Plumber licensing in other states

Alabama
Master Plumber / Journeyman Plumber Certification
Arizona
CR-37 / C-37 / R-37R Plumbing
Arkansas
Journeyman / Master Plumber License
California
C-36 Plumbing Contractor
Colorado
Plumber License
Connecticut
Unlimited Plumbing Contractor (P-1) / Unlimited Plumbing Journeyperson (P-2)
Delaware
Master Plumber
Florida
Certified / Registered Plumbing Contractor (CILB)
Georgia
Master Plumber License (Restricted or Non-Restricted)
Hawaii
Journey Worker Plumber (PJ) / Master Plumber (PM) — individual licenses; C-37 Plumbing Contractor classification
Idaho
Plumber License
Illinois
Plumber License
Indiana
Journeyman Plumber, Plumbing Contractor
Iowa
Plumber License (Journey and Master Levels)
Kentucky
Plumber License
Louisiana
LSLBC Plumbing classification (company) + State Plumbing Board of Louisiana Journeyman/Master Plumber (individual)
Maine
Plumber
Maryland
Master Plumber/Gas Fitter / Journey Plumber/Gas Fitter License
Massachusetts
Plumber License (Journeyman / Master)
Michigan
Plumbing Contractor License (requires qualifying Master Plumber)
Minnesota
Plumbing Contractor License (with Master Plumber as Responsible Licensed Individual)
Mississippi
Commercial Plumbing Contractor (Mechanical Work – Plumbing specialty) / Residential Plumbing Contractor
Missouri
No statewide plumber license — journeyman and master licenses are issued by cities/counties (RSMo Ch. 341)
Montana
Plumber
Nebraska
No statewide license — Omaha Master Plumber License
Nevada
C-1 Plumbing and Heating Contractor
New Hampshire
Journeyman Plumber
New Jersey
Master Plumber License
New Mexico
MM-1 Plumbing Contractor
New York
Master Plumber License
North Carolina
Plumbing Contractor, Class I / Class II (and Restricted Limited Plumbing Contractor)
North Dakota
Plumber License
Ohio
Plumbing Contractor License
Oklahoma
Plumber License
Oregon
Journeyman Plumber (PJ) — issued by BCD; a separate CCB license is required to operate a plumbing contracting business
Pennsylvania
No statewide license — Philadelphia Master Plumber License
Rhode Island
Plumber
South Carolina
Mechanical Contractor - Plumbing (PB) [commercial]; Residential Specialty Contractor - Plumbing [residential]
South Dakota
Plumber
Tennessee
Contractor License, CMC-A (Plumbing and Gas Piping) classification
Texas
Tradesman / Journeyman / Master Plumber (TSBPE)
Utah
P200 General Plumbing Contractor / P201 Residential Plumbing Contractor (contractor license); individual Apprentice, Journeyman, and Master Plumber licenses are separate
Vermont
Plumber
Virginia
Contractor License (Class A/B/C) with Plumbing (PLB) specialty; plus individual Plumber Tradesman license (Journeyman/Master)
Washington
Plumber Certification (Journey Level / Specialty) + Plumbing Contractor License
West Virginia
Plumber
Wisconsin
Plumber License (Journeyman / Master Plumber)