How to get a plumbing contractor license in Minnesota
Minnesota plumbing contractor licensing covers hours, prerequisites, exam path, fees, and renewal. Confirm current rules on the board source before you apply.
Verified on: 2026-09-14 · Board source
From the board
- Plumbing contractor licensing basics | Minnesota Department of Labor and Industry Phone and email scam alert.
- | Safeguarding tax dollars is our priority.
- Already have what you need to complete an application or renewal?
- Visit iMS, the department’s online application and renewal system, to get started.
- The information below will help you complete the application or renewal successfully.
- Board page: Plumbing contractor licensing basics
Requirements overview
- Minnesota sets experience, education, and exam rules for plumbing contractor applicants
- Documented OJT or apprenticeship hours are common for journeyman / technician paths
- Master and contractor tracks usually add experience, exams, and firm paperwork
- Confirm current hour totals, affidavits, and fees on the state board before you apply
Exam
- See the Minnesota plumbing exam guide for vendor, scheduling, and prep
- LicenseFlo helps with paperwork and reminders — we do not sit the exam
Renewals
- Most credentials renew on a fixed cycle with mandatory CE or training
- Roster watch → intake → assemble → sign → submit
Related: Exam · Renewal and CE
Have LicenseFlo do it
From $79 per event. Text once; we collect photos, assemble the packet, and send a one-tap signature.