Home/Plumbing License/MontanaMontana Plumbing License RequirementsYes. Montana licenses plumbers through the Montana State Board of Plumbers. It issues apprentice, journeyman, master and contractor credentials.State plumber license · By BrazeJobs Team · Updated November 6, 2026License tiersApprenticeRegisteredJourneymanState licenseMasterState license (4 years as licensed journeyman)ContractorMasterRequirementsExamState examFeesApplication $100RenewalAnnual (by Sept 1)Continuing education4 hours UPC code/yearLocal licenseNo (state license covers)BoardMontana State Board of PlumbersBoard websiteApprenticeshipRegistering agencyState Apprenticeship Agency (Montana DLI Registered Apprenticeship)Apprenticeship page Source: apprenticeship.gov · checked November 6, 2026Source: apprenticeship.mt.gov · checked November 6, 2026Plumbing codeCode in force2024 UPC with state amendmentsEffective Sept 26, 2026; amended and adopted in ARM Title 24, Chapter 301.Source: bsd.dli.mt.gov · checked November 5, 2026Frequently Asked QuestionsWho licenses plumbers in Montana?How often do you renew a license in Montana?RelatedHVAC & Plumbing jobs in MontanaJourneyman plumber salary in MontanaMontana HVAC License RequirementsLicense rules in every state