Maine Contractor & Trade License Requirements

Maine does not require a statewide license for general contractors or roofing contractors. The state licenses electricians through the Electricians' Examining Board, plumbers through the Plumbers' Examining Board, and HVAC/oil burner technicians through the Maine Fuel Board — all under the Office of Professional and Occupational Regulation (OPOR). Maine participates in the National Electrical Reciprocal Alliance (NERA) for electrician license reciprocity.

Reciprocity Agreements

Maine has reciprocity agreements with 2 states. Licensed contractors from these states may be eligible to skip certain exams.

new hampshire — Reciprocal recognition for licensed electricians through NERA

vermont — Reciprocal recognition for licensed electricians through NERA

Maine Licensing Overview

Maine requires statewide licensing for 3 of 5 contractor trades. The licensed trades — electrician, plumber, hvac technician — are regulated by 3 separate agencies: Electricians' Examining Board, Office of Professional and Occupational Regulation (EEB/OPOR), Plumbers' Examining Board, Office of Professional and Occupational Regulation (PEB/OPOR), Maine Fuel Board, Office of Professional and Occupational Regulation (MFB/OPOR). General Contractor and Roofing Contractor licensing is handled at the city and county level rather than statewide. Across all licensed trades, initial costs range from $196 to $365, including application fees, exams, and license issuance. Maine also participates in reciprocity agreements with 2 other states, which can streamline the process for out-of-state contractors.

Maine Contractor License Cost Summary

Trade	Application	Exam	License	Bond	Est. Total
General Contractor	Local — no statewide fees
Electrician	$96	$75	$80	—	$251
Plumber	$100	$65	$200	—	$365
HVAC Technician	$21	$75	$100	—	$196
Roofing Contractor	Local — no statewide fees

Estimated totals include application, exam, license, and fingerprinting fees. Bond amounts are separate and typically paid as an annual premium.

Key Facts About Maine Contractor Licensing

Workers comp required for employers with one or more employees. GL insurance strongly recommended but not state-mandated.
Maine does not require a statewide license for general contractor or roofing contractors. Local permits may still apply.
Maine has reciprocity agreements with 2 states, which may allow licensed contractors to skip certain exams.
Maine participates in the National Electrical Reciprocal Alliance (NERA)
15 hours of NEC code-based CE required per renewal cycle
Senior discount available for electricians over age 70

Frequently Asked Questions

Does Maine require a contractor license?

Yes, Maine requires statewide licensing for 3 of 5 trades: electrician, plumber, hvac technician. General Contractor and Roofing Contractor do not require a statewide license.

How much does a contractor license cost in Maine?

Initial licensing costs range from $196 to $365 depending on the trade, including application, exam, and license fees.

Does Maine have license reciprocity with other states?

Yes, Maine has reciprocity agreements with 2 states. Licensed contractors from these states may be eligible to skip certain exams or have an expedited application process.

What trades require a state license in Maine?

Maine requires statewide licenses for: electrician, plumber, hvac technician. General Contractor and Roofing Contractor licensing is handled at the local level.

Do I need workers compensation insurance in Maine?

Workers comp required for employers with one or more employees. GL insurance strongly recommended but not state-mandated.

Official Maine Licensing Resources

Electricians' Examining Board, Office of Professional and Occupational Regulation (EEB/OPOR) — for electrician
Plumbers' Examining Board, Office of Professional and Occupational Regulation (PEB/OPOR) — for plumber
Maine Fuel Board, Office of Professional and Occupational Regulation (MFB/OPOR) — for hvac technician