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New Hampshire journeyman plumber license
Journeyman license: what New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board asks for once you're logging hours.2
How many hours do you need for the journeyman license in New Hampshire?
8,000 hours of supervised work, about 4 years full time.1 600 hours of educational training for the journeyman license.1
- Journeyman license
- 8,000 hrs8,000 working hours of on-the-job plumbing experience
- Master license
- 6 moHeld a New Hampshire journeyman license for at least 6 months
Keep your own record of hours, employers and pay stubs. New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board can ask for proof when you apply.
What is the New Hampshire plumber exam like?
Master plumber applicants pass a multiple-choice exam (75% to pass). Journeyman applicants qualify through an apprenticeship completion certificate, 600 hours of education and 8,000 on-the-job hours; a journeyman licensed in another state passes a 70% multiple-choice exam instead. The Mechanical Licensing Board sets the exams, which may be given by an outside organization the board approves.12
How much does the journeyman license cost?
New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board lists these fees.3
| Fee | Amount |
|---|---|
| Apprentice 2yr | $88 |
| Journeyman 2yr | $198 |
| Master 2yr | $330 |
| Mechanical business entity 2yr | $275 |
How do you renew it?
2 years; licenses expire on the last day of the month they were issued.4 Continuing education: 6 hours per 2-year cycle for each plumbing endorsement, taken in board-approved seminars of at least 3 hours.4
Does a license from another state count in New Hampshire?
No automatic reciprocity; the board may enter reciprocity agreements with states that have equivalent mechanical licensing, and an out-of-state journeyman license qualifies the holder to sit the journeyman exam.2
License levels in New Hampshire
Plumbing apprentice, journeyman plumber, master plumber (plus a business entity license).
Applications, exam booking and hour forms are on New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board's site.
More for plumbers in New Hampshire
Sources
- New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board: exam (gencourt.state.nh.us, 2026-10-27)
- New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board: exam provider (gencourt.state.nh.us, 2026-10-27)
- New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board: fees (gencourt.state.nh.us, 2026-10-27)
- New Hampshire Office of Professional Licensure and Certification, Mechanical Licensing Board: renewal (gencourt.state.nh.us, 2026-10-27)