State plumbing guide · MN
Plumbing in Minnesota
Minnesota has a single state plumbing code based on the Uniform Plumbing Code, administered by the Department of Labor and Industry. Deep frost and long winters make freeze protection a year-round planning item.
- Median home built
- 1979
- Built before 1980
- 51%
- Owner-occupied
- 72%
- Winter
- Long, hard freezes
- General statewide rating
- Plumbing code
- UPC
- City guides
- 2
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Minnesota city plumbing guides
How to check a plumber's license in Minnesota
Minnesota's Department of Labor and Industry licenses plumbers and administers the state plumbing code; some local jurisdictions also administer it. [1]
Seasonal problems to plan for in Minnesota
- Winter
- Hard freezes: protect exposed pipes, disconnect hoses. Frozen pipes.
- Spring
- Snowmelt raises groundwater. Test sump pumps and watch basement floor drains.
Minnesota's older housing stock
Statewide, the median home was built in 1979 and 51% of homes predate 1980. Homes like that were usually built with copper supply, early plastic (ABS or PVC) drains, some cast iron. The city guides below show how much that varies within the state.
Which plumbing code applies in Minnesota
The Minnesota Plumbing Code (Minnesota Rules chapter 4714) incorporates the Uniform Plumbing Code with Minnesota amendments and applies to plumbing installations anywhere in the state. [2]
Minnesota plumbing questions
How do I check a plumber's license in Minnesota?
Look up the plumber's license on the Minnesota Department of Labor and Industry's license lookup before hiring.
Which plumbing code applies in Minnesota?
The Minnesota Plumbing Code, Minnesota Rules chapter 4714, based on the Uniform Plumbing Code with state amendments.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Minnesota Department of Labor and Industry, Minnesota Plumbing Code · checked 2026-10-01
- Minnesota Revisor of Statutes, Minnesota Rules Chapter 4714 · checked 2026-10-01