Maine does not issue a statewide general contractor license for residential or commercial construction. Contractor regulation in Maine is split across trade-specific licensing boards, a home-construction contract-disclosure statute, and local building and code-enforcement offices. Keep the 3 categories separate.
Trade-specific state licenses.
- Electricians: Maine Office of Professional and Occupational Regulation (OPOR), Electricians' Examining Board, issues Master, Journeyman, Limited, Helper, and Apprentice credentials under 32 M.R.S.A. Chapter 17. A Master Electrician license is the credential required to contract for electrical work and pull permits. Source: Maine OPOR Electricians (https://www.maine.gov/pfr/professionallicensing/professions/electricians).
- Plumbers: Maine OPOR Plumbers' Examining Board issues Master, Journeyman, Journeyman-In-Training, and Trainee credentials under 32 M.R.S.A. Chapter 49. A Master Plumber license is required to contract and pull plumbing permits. Source: Maine Plumbers' Examining Board (https://www.maine.gov/pfr/professionallicensing/professions/plumbers-examining-board).
- Oil, solid-fuel, propane, and natural-gas work: Maine Fuel Board issues Journeyman and Master technician and installer licenses under 32 M.R.S.A. Chapter 139. Source: Maine Fuel Board (https://www.maine.gov/pfr/professionallicensing/professions/fuel-board).
- HVAC (refrigeration and air-conditioning): not licensed at the state level. Federal EPA Section 608 certification applies to refrigerant work (https://www.epa.gov/section608).
Home Construction Contracts Act. Under Maine's Home Construction Contracts Act, 10 M.R.S.A. Chapter 219-A, written contracts are required for residential projects when the total price exceeds a statutory threshold. The Act requires specific disclosures (contract price, scope, warranties, dispute resolution, the contractor's business name and address) and protects consumers against certain practices. The Act does not impose a license requirement on general contractors. Source: 10 M.R.S.A. Chapter 219-A (https://www.mainelegislature.org/legis/statutes/10/title10ch219-Asec0.html).
Local building and code enforcement. Towns and cities in Maine enforce building and mechanical permits under the Maine Uniform Building and Energy Code (MUBEC). Each municipality with an adopted building code runs a local Code Enforcement Officer (CEO) who issues permits, conducts inspections, and enforces code compliance. A contractor pulling permits for general construction typically registers with each municipality where they work; requirements vary. Source: Maine Public Utilities Commission and Division of Codes and Standards (https://www.maine.gov/dps/fmo/building-codes).
To operate as a trade contractor in Maine you generally need: the applicable state trade license (Master Electrician, Master Plumber, Fuel Board license as applicable), formation documents filed with the Maine Secretary of State if operating as an LLC or corporation (https://www.maine.gov/sos/cec/corp/), a federal EIN from the IRS, Maine Revenue Services tax registration if you collect sales tax on materials, and whatever municipal registration the local CEO requires. Verify each requirement against current statutes and local rules before you assume you are compliant.