New Hampshire plumber license & renewal
The requirements, the timing and the official sources. Everything we’ve verified, in one place.
License fee
—
Not verified yet
Required hours
Journeyman apprenticeship route: at least 8,000 working hours of on-the-job plumbing experience.
Exam
Master: pass the master plumber examination with at least 75%.
Renewal
shall expire every 2 years on the last day of the month the license was issued.
Before you begin
Agency guidance
Application processing and licensing fees, for initial issue, renewal or reinstatement: journeyman $198; master $330; each for two years.
Verified 2026-10-24 — source and quotation
Journeyman plumber license application processing and licensing: Initial, renewal, or reinstatement after expiration of license 2 years $198 Master plumber license application processing and licensing: Initial, renewal, or reinstatement after expiration of license 2 years $330Official source
Agency guidance
Renewal requires the Universal Application for License Renewal.
Verified 2026-10-24 — source and quotation
A completed “Universal Application for License Renewal” with the information described in Plc 308.05Official source
How to get this license
Use the agency’s requirements below to plan your next steps. Missing details stay marked.
Start with the licensing authority
Licensing board
Mechanical Licensing Board, Office of Professional Licensure and Certification.
Verified 2026-10-24 — source and quotation
the Mechanical Licensing Board was transferred from being a unit within the Division of Fire Safety of the Department of Safety to a unit within the Office of Professional Licensure and Certification (OPLC).
Official sourceOfficial agency page
Verified 2026-10-24 — source and quotation
INITIAL FUEL GAS FITTING LICENSING, PLUMBING LICENSING
Official sourceCheck the qualifications
Education
Journeyman apprenticeship route: an apprenticeship completion certificate and at least 600 hours of educational training in the subjects listed in Mec 305.01(b).
Verified 2026-10-24 — source and quotation
Have received an apprenticeship completion certificate issued by the United States Department of Labor, or by the sponsoring plumber who sponsored the apprenticeship; (2) Have provided proof of successful completion of a minimum of 600 hours of educational training
Official sourceRequired hours
Journeyman apprenticeship route: at least 8,000 working hours of on-the-job plumbing experience.
Verified 2026-10-24 — source and quotation
Have provided proof of completion of a minimum of 8,000 working hours of on-the-job experience in the trade relevant to plumbing as described in RSA 153:27, XIV
Official sourceExperience
Master: hold a New Hampshire journeyman license for at least six months.
Verified 2026-10-24 — source and quotation
Have held a New Hampshire journeyman plumber license for at least 6 months
Official sourceExam
Master: pass the master plumber examination with at least 75%.
Verified 2026-10-24 — source and quotation
Have passed the master plumber examination by answering at least 75% of the questions correctly.
Official sourceReview fees and apply
Application fee
Not verified yet
Exam fee
Not verified yet
License fee
Not verified yet
Apply with the agency
Not verified yet
Reciprocity
Not verified yet
Official sources and verification (12)
Last verified 2026-10-24. Each quotation supports the corresponding published value.
the Mechanical Licensing Board was transferred from being a unit within the Division of Fire Safety of the Department of Safety to a unit within the Office of Professional Licensure and Certification (OPLC).Official source
Verified 2026-10-24
INITIAL FUEL GAS FITTING LICENSING, PLUMBING LICENSINGOfficial source
Verified 2026-10-24
Have received an apprenticeship completion certificate issued by the United States Department of Labor, or by the sponsoring plumber who sponsored the apprenticeship; (2) Have provided proof of successful completion of a minimum of 600 hours of educational trainingOfficial source
Verified 2026-10-24
Have provided proof of completion of a minimum of 8,000 working hours of on-the-job experience in the trade relevant to plumbing as described in RSA 153:27, XIVOfficial source
Verified 2026-10-24
Have held a New Hampshire journeyman plumber license for at least 6 monthsOfficial source
Verified 2026-10-24
Have passed the master plumber examination by answering at least 75% of the questions correctly.Official source
Verified 2026-10-24
shall expire every 2 years on the last day of the month the license was issued.Official source
Verified 2026-10-24
individual fuel gas fitting, domestic appliance technician, hearth system installation and service technician, master plumber, and journeyman plumber licenses (“mechanical licenses”) shall expire every 2 years on the last day of the month the license was issued.Official source
Verified 2026-10-24
individual mechanical licensees shall complete a total of no fewer than 6 hours of continuing education for each plumbing or fuel gas fitting endorsement, in every 2 year licensing cycleOfficial source
Verified 2026-10-24
Shall be devoted to the New Hampshire adopted codes and standards for the plumbing or fuel gas fitting licensing discipline being taught, the current licensing laws and adopted rules, and time for answering students' questionsOfficial source
Verified 2026-10-24
Journeyman plumber license application processing and licensing: Initial, renewal, or reinstatement after expiration of license 2 years $198 Master plumber license application processing and licensing: Initial, renewal, or reinstatement after expiration of license 2 years $330Official source
Verified 2026-10-24
A completed “Universal Application for License Renewal” with the information described in Plc 308.05Official source
Verified 2026-10-24
Keep exploring.
Same license in other states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Last verified 2026-10-24.
Official sources (3)
Not legal or tax advice. Confirm with the official agency before filing.