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How to get a plumber license in New Hampshire

Requirements, license levels, and the issuing authority — sourced from New Hampshire's official board.

Statewide licensing now administered by OPLC via the Mechanical Safety and Licensing Board. Official OPLC pages blocked automated fetch (HTTP 403); details captured from official oplc.nh.gov page content.

Issuing authority: New Hampshire Office of Professional Licensure and Certification (OPLC), Mechanical Safety and Licensing Board (formerly State Board for Licensing and Regulation of Plumbers). Official page: https://www.oplc.nh.gov/mechanical-safety-and-licensing-board

License levels in New Hampshire

New Hampshire plumber licensing at a glance

RequirementsJourneyman: complete a four-year plumbing apprenticeship (approximately 8,000 hours plus classroom instruction) and pass the NH Journeyman exam (70% to pass). Master: hold a journeyman license (minimum ~6 months) and pass the NH Master exam (75% to pass).
ReciprocityNot confirmed on the official OPLC pages reviewed.
RenewalBiennial (2-year cycle), renewed online through OPLC; continuing education of 3 hours of code update each year, totaling 6 hours per 2-year renewal cycle (apprentice/trainee exempt).
NotesStatewide licensing now administered by OPLC via the Mechanical Safety and Licensing Board. Official OPLC pages blocked automated fetch (HTTP 403); details captured from official oplc.nh.gov page content.

Questions

Do you need a license to work as a plumber in New Hampshire?
Statewide licensing now administered by OPLC via the Mechanical Safety and Licensing Board. Official OPLC pages blocked automated fetch (HTTP 403); details captured from official oplc.nh.gov page content.
What plumber license levels does New Hampshire have?
The levels are Apprentice / Trainee (registration), Journeyman Plumber, Master Plumber, plus related mechanical/gasfitting endorsements.
How do you get licensed as a plumber in New Hampshire?
Journeyman: complete a four-year plumbing apprenticeship (approximately 8,000 hours plus classroom instruction) and pass the NH Journeyman exam (70% to pass). Master: hold a journeyman license (minimum ~6 months) and pass the NH Master exam (75% to pass).
Does New Hampshire have plumber license reciprocity?
Not confirmed on the official OPLC pages reviewed.

Related

Supply
How many plumbers in New HampshireHub
All New Hampshire trades pages

Sources: www.oplc.nh.gov · www.oplc.nh.gov · www.oplc.nh.gov. Always confirm current requirements with the issuing authority.

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