Maine renewal guide
Trainee Plumber
If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.
Start here
What matters before you file.
Check the fee, the renewal window, and the documents or insurance records that can slow approval down.
Issuing authority
Renewal period
Every 24 months
Renewal fee
$100.00
Late penalty
$50.00
Bond requirement
No
Insurance requirement
No
Before you renew
Get the filing straight.
- 1
File with the board
File through Maine Plumbers' Examining Board and pay the $100.00 renewal fee once the supporting proof is ready.
Renew online - 2
Leave room for processing
Typical processing time is 14 days, so do not wait until the last minute.
If you miss the deadline, the late penalty is $50.00, with a 90-day grace period.
Detailed notes
The fine print is here.
Maine Trainee Plumber License
The Maine Plumbers' Examining Board issues Trainee Plumber licenses. This is an entry-level license for individuals beginning their plumbing career who work under the direct supervision of a Master Plumber.
What This License Authorizes
Trainee Plumbers may perform plumbing work only under the direct supervision of a licensed Master Plumber. This is a training-level license intended to allow individuals to accumulate the experience hours needed to qualify for the Journeyman Plumber examination.
Requirements
- No examination required
- Complete a criminal background check ($21 fee)
- Application Fee: $121 (includes $100 license fee + $21 background check)
Renewal Process
- Renewal Period: Every 2 years from date of first licensure
- Renewal Fee: $100
- Late Fee: $50 for renewals up to 90 days after expiration
- No Continuing Education Required
Path to Journeyman
Trainee Plumbers must accumulate at least 4 years and 8,000 hours of supervised plumbing experience under a Master Plumber before qualifying for the Journeyman Plumber examination.
*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the Maine Plumbers' Examining Board.*
Official links
Check the board or agency directly.
Required documents
- Background Check
Source notes
Maine Plumbers' Examining Board, Office of Professional and Occupational Regulation . Verified March 2026. https://www.maine.gov/pfr/professionallicensing/professions/plumbers-examining-board/licensing/individual-licenses
Rules move. Check Maine Plumbers' Examining Board again before you pay, renew, or schedule work around this requirement.
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Next steps
Turn it into a handoff.
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Printable checklist
Maine checklist
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Keep Trainee Plumber dates, proof, and official links with the rest of your license work.