Plumber License Requirements in Alaska
License RequiredLast verified March 9, 2026
Agency And Exam
Issuing agency: Alaska Department of Labor and Workforce Development, Mechanical Inspection Section
Official licensing agency website
Exam provider: PSI
Reciprocity And License Levels
License levels
Journeyman PlumberGas PlumberUtility PlumberPlumber TraineeProvisional Plumber
Reciprocity states
None listed
Notes
Alaska Mechanical Inspection licenses plumbing work through Certificates of Fitness and states that plumbing work subject to Alaska standards generally requires a credential. The Mechanical Inspection FAQ lists plumber certificate classes as journeyman, gas, utility, trainee, and provisional, and notes that out-of-state licensees may apply for a provisional Alaska trade license. Verified against Alaska Mechanical Inspection pages on 2026-03-09.