Plumber licenses in
Minnesota
Minnesota licenses plumbers statewide.
Search Minnesota plumber licenses (opens official site)
Official search run by Minnesota Department of Labor and Industry (DLI) and Plumbing Board at dli.mn.gov.
What the license should say
In Minnesota you'll see one of these on a plumber's card, bid or truck:
- Plumbing contractor
- Business; must have a licensed master plumber as responsible individual plus bond and insurance.
- Master plumber
- Individual; may contract for and design plumbing statewide.
- Journeyworker plumber
- Individual; works under the direction of a master plumber.
- Restricted master or journeyworker plumber
- Individual; limited to cities and towns under 5,000 population.
Hiring a company, not a person?
Plumbing contractor license (Minn. Stat. 326B.46) with a licensed master plumber as responsible individual, a bond, general liability and workers' compensation insurance
Doing it yourself
Anyone not licensed may do plumbing that meets Plumbing Board standards on premises they own and actually occupy as a residence, unless a local ordinance forbids it (Minn. Stat. 326B.46 subd. 1(a))
Before you hire
- Contractor licensing in Minnesota (small-job limits, bonds, permits)
- How to check a license in Minnesota, step by step
- Before-you-hire checklist (one page, free PDF)
- File a complaint about a plumber (opens official site)
Keep this handy
We'll email you the one-page before-you-hire checklist, plus occasional tips on hiring safely.