Minnesota Plumbing License Requirements
Yes. Minnesota licenses plumbers through the Minnesota DLI, Plumbing. It issues apprentice, journeyman, master and contractor credentials.
State plumber license · By BrazeJobs Team · Updated
License tiers
| Apprentice | Registered unlicensed |
| Journeyman | Journeyworker |
| Master | Master |
| Contractor | Plumbing Contractor (bond + insurance) |
Requirements
| Exam | State exam (5.5 hours, 70%) |
| Fees | Journeyman renewal $53 |
| Renewal | 2 years |
| Continuing education | 16 hours (8 State Plumbing Code) |
| Local license | No (state license covers) |
| Board | Minnesota DLI, Plumbing |
Exam
| Exam provider | Minnesota DLI |
| Time | 5.5 hours (all plumbing exams) |
DLI license exam schedule lists time limits only.
- Source: dli.mn.gov · checked November 6, 2026
Licensed in another state or the military
| Reciprocity | Journeyworker/master with ND and SD |
- Source: dli.mn.gov · checked November 6, 2026
Apprenticeship
| Registering agency | State Apprenticeship Agency (Minnesota DLI) |
- Source: apprenticeship.gov · checked November 6, 2026
- Source: dli.mn.gov · checked November 6, 2026
Plumbing code
| Code in force | 2018 UPC with state amendments (as 2020 Minnesota Plumbing Code) |
Chapter 4714, effective Dec 17, 2021.
- Source: dli.mn.gov · checked November 5, 2026