Plumber License Requirements in Maine
License RequiredLast verified March 9, 2026
Agency And Exam
Reciprocity And License Levels
License levels
Master PlumberJourneyman PlumberTrainee PlumberJourneyman-in-Training
Reciprocity states
None listed
Notes
Maine licenses plumbing through the Plumbers' Examining Board. Current licensing materials cover master, journeyman, trainee, and journeyman-in-training credentials, and the examination page states that board-approved candidates take the plumbing exam through PROV testing facilities. Verified against Maine plumbing licensing materials on 2026-03-09.