Maine 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
—
Not verified yet
Exam
Board examination: master passing grade cannot be below 75%; journeyman cannot be below 70%.
Renewal
A license expires on the date set by the commissioner pursuant to Title 10, section 8003, subsection 4 for the licensing period for which the license was issued.
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
Plumbers' Examining Board
Official agency page
Check the qualifications
Experience
Journeyman: at least two years/4,000 hours as a supervised licensed trainee or equivalent; alternatively 2,000 hours as a supervised journeyman-in-training within four years of that license. Master: one year/2,000 hours as journeyman, or four years/8,000 hours as supervised trainee or equivalent.
Verified 2026-10-24 — source and quotation
A minimum of at least 2 years with 4,000 hours ... as a licensed trainee plumber under the supervision of a master plumber, or the equivalent thereof ... A minimum of 2,000 hours ... as a journeyman-in-training ... within 4 years ... A minimum of at least one year with 2,000 hours ... as a journeyman plumber or a minimum of at least 4 years with 8,000 hours ... as a trainee plumber under the supervision of a master plumber, or the equivalent
Official sourceExam
Board examination: master passing grade cannot be below 75%; journeyman cannot be below 70%.
Verified 2026-10-24 — source and quotation
The passing grade on a master plumber license examination may not be less than 75%. The passing grade on a journeyman plumber license examination may not be less than 70%.
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
Reciprocal licensing requires another state's equivalent standards and experience requirements plus reciprocal privileges; current residency cannot be a reason for denial.
Verified 2026-10-24 — source and quotation
licensing standards and experience requirements at least equivalent to this State's and as long as that state or territory grants similar privileges ... Reciprocal licenses may not be denied on the basis of current residency.Official source
Official sources and verification (6)
Last verified 2026-10-24. Each quotation supports the corresponding published value.
A minimum of at least 2 years with 4,000 hours ... as a licensed trainee plumber under the supervision of a master plumber, or the equivalent thereof ... A minimum of 2,000 hours ... as a journeyman-in-training ... within 4 years ... A minimum of at least one year with 2,000 hours ... as a journeyman plumber or a minimum of at least 4 years with 8,000 hours ... as a trainee plumber under the supervision of a master plumber, or the equivalentOfficial source
Verified 2026-10-24
The passing grade on a master plumber license examination may not be less than 75%. The passing grade on a journeyman plumber license examination may not be less than 70%.Official source
Verified 2026-10-24
licensing standards and experience requirements at least equivalent to this State's and as long as that state or territory grants similar privileges ... Reciprocal licenses may not be denied on the basis of current residency.Official source
Verified 2026-10-24
A license expires on the date set by the commissioner pursuant to Title 10, section 8003, subsection 4 for the licensing period for which the license was issued.Official 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
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- 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 (1)
Not legal or tax advice. Confirm with the official agency before filing.