State plumbing guide · UT
Plumbing in Utah
Utah adopts its plumbing code by state law and licenses plumbers at every level through the Division of Professional Licensing. Cold winters and hard water are common factors along the Wasatch Front.
- Median home built
- 1994
- Built before 1980
- 33%
- Owner-occupied
- 70%
- Winter
- Regular hard freezes
- General statewide rating
- Plumbing code
- IPC
- City guides
- 1
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Utah city plumbing guides
How to check a plumber's license in Utah
Utah's Division of Professional Licensing (DOPL) licenses apprentice, journeyman and master plumbers and plumbing contractors. [1]
Which plumbing code applies in Utah
Utah's 2021 State Plumbing Code is based on the 2021 International Plumbing Code, adopted under the State Construction and Fire Codes Act. [2]
Seasonal problems to plan for in Utah
- Winter
- Hard freezes: protect exposed pipes, disconnect hoses. Frozen pipes.
- Summer
- Irrigation season exposes hidden leaks and backflow problems.
How old Utah's homes are
Statewide, the median home was built in 1994 and 33% 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.
Utah plumbing questions
How do I check a plumber's license in Utah?
Verify the license with Utah DOPL's online license lookup before hiring.
Which plumbing code applies in Utah?
The Utah State Plumbing Code, based on the 2021 International Plumbing Code with Utah amendments.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Utah Department of Commerce, DOPL: Apply for a Master Plumber License · checked 2026-10-01
- International Code Council, 2021 Utah State Plumbing Code preface · checked 2026-10-01