How to get a master plumber license in Montana
Montana 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
- Plumber Master # Plumber Master The following outlines general licensing information.
- For specific information on filing an application, you will need to obtain the license Application which includes a detailed listing of the requirements.
- Please review the Master Plumber Checklist - Fees: All Fees are Non-Refundable - Experience Requirements: Four years legally obtained experience as a licensed journeyman with three of the years working either in a supervisory capacity or with a licen
- Board page: Plumber Master - Professional Boards & Licensing
Requirements overview
- Montana 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 Montana 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.