— Licensed · State-verified · Verified at our last refresh
Find a licensed contractor in Maine
We check every contractor against the Maine OPOR (Office of Professional & Occupational Regulation) — license status verified against the public record, not just a star rating. Describe your project once. Get matched with licensed pros who can actually do the work. Free for homeowners.
Browse verified contractors in Maine
2 trades · pick yoursFor businesses
Buy Maine contractor data by territory
Every active license in Maine, verified against the Maine OPOR (Office of Professional & Occupational Regulation) and enriched with phone, email, and website where available. Draw your territory and pay for what you draw.
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The contractor market in Maine
Maine has 5,725 active licensed contractors, each verified against the Maine OPOR (Office of Professional & Occupational Regulation) registry.
Cities with the most licensed contractors in Maine
| Rank | City | Licensed contractors |
|---|---|---|
| 1 | Hermon | 139 |
| 2 | Windham | 122 |
| 3 | Biddeford | 121 |
| 4 | Portland | 111 |
| 5 | Saco | 97 |
| 6 | Sidney | 92 |
| 7 | Lewiston | 89 |
| 8 | Scarborough | 80 |
| 9 | Gorham | 78 |
| 10 | Auburn | 73 |
Ranked by mapped active licenses. Cities only. The full roster covers every Maine ZIP.
Common questions about Maine contractors
How do I verify a Maine contractor license?
Check any license number directly with the Maine OPOR (Office of Professional & Occupational Regulation) at https://www.pfr.maine.gov/ALMSOnline/ALMSQuery/Welcome.aspx. Every record we deliver carries its active license number so you can confirm it at the source.
What does a Maine contractor list cost, and how current is the data?
Lists start at $19, delivered as a CSV to your inbox shortly. The Maine data was last refreshed 2026-09-03, sourced from the Maine OPOR (Office of Professional & Occupational Regulation) and enriched with contact info for most records.
Which contractor trades does Maine cover?
Maine covers 2 trades: electricians, plumbers. Search any one by city or ZIP.
Which Maine cities have the most licensed contractors?
Hermon, Windham, Biddeford lead Maine by licensed-contractor count. ContractorRoster covers every city and ZIP in the state, not just the major metros.
Are the Maine contractors in this list currently active?
Yes, every record is an active license; expired and lapsed licenses are filtered out. The Maine data was last refreshed 2026-09-03 from the Maine OPOR (Office of Professional & Occupational Regulation).
Maine market research
Also covered
Data source
Direct from the Maine OPOR (Office of Professional & Occupational Regulation)
Every record we deliver in Mainecomes from the state's official license registry, refreshed regularly. We enrich each row with phone, email, website, and Google ratings sourced from public business listings. Contact info present for most records.
Visit Maine OPOR (Office of Professional & Occupational Regulation) →What you get
- • Active license number + classification
- • Business name + license holder name
- • Phone, email, website (most records)
- • Google rating + review count where available
- • Full mailing address + ZIP
- • Issue date + expiration date
- • CSV delivered to your inbox shortly