How to get a master plumber license in Wisconsin
Wisconsin master plumber 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
- Wisconsin Legislature: 145.08(1)(h) " href="/doc/feed?path=%2Fstatutes%2Fstatutes%2F145%2F08%2F1%2Fh" / Up 145.06(4)(c)(c) Installation of sewer and water service piping from the main to the property lot line, when installed by authorized municipal utility employees or sewer…
- 145.06(4)(d)(d) Making minor repairs to faucets, valves, pipes or appliances, repair or replacement of electrical or gas energy or other automatic valves
- Board page: Wisconsin Legislature: 145.08(1)(h)
Requirements overview
- Wisconsin sets experience, education, and exam rules for master plumber 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 Wisconsin 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.