Transfer Your Plumber License to Maine: Reciprocity & Endorsement (2026)
Last verified: 2026-07-21 · source: Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation) ↗
Maine has no blanket plumbing reciprocity, yet the Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation) can license an out-of-state plumber by endorsement or equivalency rather than a full retest. Maine may issue a journeyman plumber license without its exam to an applicant licensed in another state whose licensing standards and experience requirements are at least equivalent to Maine's and that grants Maine plumbers the same privilege (Title 32 sec. 3504-A); no partner states are named, and an applicant who does not meet that equivalency/reciprocal test must pass the Maine journeyman exam. Expect $200 ($200 journeyman plumber license fee (biennial renewal also $200); +$21 criminal background check fee (surcharge, not in the range). A separate examination fee applies on the exam track but was not listed on the official fee schedule.) in application fees.
Moving to Maine from a specific state?
Pick your current state — the checker returns your exact pathway.
Verdict
Licensure by endorsement
Maine works case-by-case rather than from a published partner list, so the Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation)'s judgment on your specific license, exam history, and documented experience decides the outcome. Where the pathway is equivalency-based, the board is measuring your home state's standards and experience requirements against its own. Get any exam waiver or experience credit confirmed in writing before you rely on it — discretionary approvals are exactly the kind of thing that shifts between reviewers.
Maine grants reciprocity by equivalency rather than by named partner states: under Title 32 sec. 3504-A the board must license an applicant already licensed in a state with at least equivalent standards and experience requirements that also reciprocates for Maine plumbers, which effectively waives the Maine exam — so reciprocity_partners is empty and it is not full reciprocity from any state. Applicants who do not meet that test follow the standard experience-plus-exam path (4,000 trainee hours or 2,000 journeyman-in-training hours, 70% exam). Journeyman license fee is $200 plus a $21 background-check fee; the official fee page did not list a separate exam fee. No national plumber verification database exists; verification is via the board's ALMS online lookup.
Maine requirements at a glance
| Exam | Maine may issue a journeyman plumber license without its exam to an applicant licensed in another state whose licensing standards and experience requirements are at least equivalent to Maine's and that grants Maine plumbers the same privilege (Title 32 sec. 3504-A); no partner states are named, and an applicant who does not meet that equivalency/reciprocal test must pass the Maine journeyman exam |
|---|---|
| Additional requirements |
|
| Fees | $200 ($200 journeyman plumber license fee (biennial renewal also $200); +$21 criminal background check fee (surcharge, not in the range). A separate examination fee applies on the exam track but was not listed on the official fee schedule.) |
| Processing time | No board-stated processing time; since 2024 all applications, exams, and renewals are filed through Maine's online licensing system. |
Step by step
- Confirm Maine's current requirements on the Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation) website — rules change.
- Submit the endorsement application to the Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation) (application linked on this page).
- Arrange license verification from your current state via the verification system.
- For reciprocity: hold a license in a state whose standards and experience requirements are at least equivalent to Maine's and that grants reciprocal privileges to Maine licensees, and file a sworn application with a certified statement verifying that licensure (Title 32 sec. 3504-A).
- Standard journeyman path: complete at least 4,000 hours (about two years) as a licensed trainee plumber, or at least 2,000 hours as a licensed journeyman-in-training, then pass the journeyman exam with at least 70%.
- Undergo a criminal background check.
- File the application, fee, and license fee through Maine's online licensing system (required since January 1, 2024).
- Pay the fees ($200 ($200 journeyman plumber license fee (biennial renewal also $200); +$21 criminal background check fee (surcharge, not in the range). A separate examination fee applies on the exam track but was not listed on the official fee schedule.)) and allow No board-stated processing time; since 2024 all applications, exams, and renewals are filed through Maine's online licensing system..
Official links
Coming from a specific state?
Direction matters — these guides cover the exact move into Maine:
Frequently asked questions
Does my plumbing license transfer to Maine?
Maine has no blanket plumbing reciprocity, yet the Maine Plumbers' Examining Board (Office of Professional and Occupational Regulation) can license an out-of-state plumber by endorsement or equivalency rather than a full retest. Maine may issue a journeyman plumber license without its exam to an applicant licensed in another state whose licensing standards and experience requirements are at least equivalent to Maine's and that grants Maine plumbers the same privilege (Title 32 sec. 3504-A); no partner states are named, and an applicant who does not meet that equivalency/reciprocal test must pass the Maine journeyman exam. Expect $200 ($200 journeyman plumber license fee (biennial renewal also $200); +$21 criminal background check fee (surcharge, not in the range). A separate examination fee applies on the exam track but was not listed on the official fee schedule.) in application fees.
Will I have to take Maine's plumbing exam?
Maine may issue a journeyman plumber license without its exam to an applicant licensed in another state whose licensing standards and experience requirements are at least equivalent to Maine's and that grants Maine plumbers the same privilege (Title 32 sec. 3504-A); no partner states are named, and an applicant who does not meet that equivalency/reciprocal test must pass the Maine journeyman exam.
What will licensing in Maine cost an out-of-state plumber, and how long does it take?
$200 ($200 journeyman plumber license fee (biennial renewal also $200); +$21 criminal background check fee (surcharge, not in the range). A separate examination fee applies on the exam track but was not listed on the official fee schedule.); processing No board-stated processing time; since 2024 all applications, exams, and renewals are filed through Maine's online licensing system..
Sources
Primary sources only — official boards and compact commissions. Data last verified 2026-07-21.
- Maine Revised Statutes Title 32 sec. 3504-A — Reciprocity (Plumbers' Examining Board) ↗ (accessed 2026-07-21)
- Maine OPOR — Plumbers' Examining Board individual licenses (fees, experience hours) ↗ (accessed 2026-07-21)
- Maine OPOR — Plumbers' Examining Board online license verification lookup (ALMS) ↗ (accessed 2026-07-21)
Reviewed by Billy Reiner, Editor · verified against primary sources 2026-07-21
How we verify · All sources · spot an error? [email protected]