State plumbing guide · AK
Plumbing in Alaska
Alaska certifies plumbers through the Department of Labor's Mechanical Inspection Section and uses the Uniform Plumbing Code. Extreme cold, permafrost and long distances make freeze protection and reliable repairs critical.
- Median home built
- 1986
- Built before 1980
- 37%
- Owner-occupied
- 67%
- Winter
- Long, hard freezes
- General statewide rating
- Plumbing code
- UPC
- City guides
- 1
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Alaska city plumbing guides
How to check a plumber's license in Alaska
Alaska's Mechanical Inspection Section issues plumber certificates of fitness (journeyman, gas, utility, trainee and provisional) and licenses plumbing contractors. [1]
Seasonal problems to plan for in Alaska
- Winter
- Hard freezes: protect exposed pipes, disconnect hoses. Frozen pipes.
- Breakup
- Spring thaw and frost movement stress buried water and sewer lines.
Which plumbing code applies in Alaska
The Alaska Plumbing Code is the Uniform Plumbing Code, adopted by reference in 8 AAC 63.010 with state supplements. [2]
How old Alaska's homes are
Statewide, the median home was built in 1986 and 37% of homes predate 1980. Homes like that were usually built with copper or CPVC supply, plastic drains, and in some homes gray polybutylene supply pipe. The city guides below show how much that varies within the state.
Alaska plumbing questions
How do I check a plumber's license in Alaska?
Verify the plumber's certificate of fitness and the contractor's license with the Alaska Department of Labor's Mechanical Inspection Section.
Which plumbing code applies in Alaska?
The Uniform Plumbing Code, adopted by reference in 8 AAC 63 with Alaska supplements.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Alaska Department of Labor, Mechanical Inspection: Plumbing and Electrical · checked 2026-10-01
- Alaska Department of Labor and Workforce Development, Plumbing Code Statutes and Regulations · checked 2026-10-01