State plumbing guide · ND
Plumbing in North Dakota
North Dakota licenses plumbers through a State Plumbing Board and adopts the Uniform Plumbing Code as the state plumbing code. Extreme cold and deep frost make freeze protection central.

- Median home built
- 1985
- Built before 1980
- 45%
- Owner-occupied
- 61%
- 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).
North Dakota city plumbing guides
How to check a plumber's license in North Dakota
North Dakota licenses journeyman and master plumbers and registers apprentices; journeymen need four years as an apprentice under a licensed master plumber. [1]
Seasonal problems to plan for in North Dakota
- Winter
- Hard freezes: protect exposed pipes, disconnect hoses. Frozen pipes.
- Spring
- Snowmelt flooding; sump pumps and backwater valves matter.
Which plumbing code applies in North Dakota
The North Dakota State Plumbing Board adopts the 2018 Uniform Plumbing Code, with state provisions, as the 2018 North Dakota Plumbing Code (NDAC 62-03.1). [2]
How old North Dakota's homes are
Statewide, the median home was built in 1985 and 45% 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.
North Dakota plumbing questions
How do I check a plumber's license in North Dakota?
Verify the license with the North Dakota State Plumbing Board.
Which plumbing code applies in North Dakota?
The 2018 North Dakota Plumbing Code, based on the 2018 Uniform Plumbing Code.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- North Dakota Administrative Code, Chapter 62-02-01 Plumber Licensure · checked 2026-10-01
- North Dakota Administrative Code, Article 62-03.1 Plumbing Installation Standards · checked 2026-10-01
