State license to perform plumbing work without direct master supervision. The first license that lets you earn full plumber wages.

Who needs it

Anyone who wants to perform licensed plumbing work in MA without a master watching every job.

How to get it

Complete 8,500 hours of supervised work + 550 hours of approved classroom instruction (4–5 years), then pass the MA Journeyman Plumber written exam.

Cost

Exam + license fee: ~$150–$250. Biennial renewal: ~$80 + Board-approved CE hours.

Where to start

MA Board of Plumbers and Gas Fitters ↗