Licensed Contractors in Washington
Washington's L&I licenses and bonds all contractors through a unified registration system, making it one of the easier states for buyers to verify contractor credentials before hiring.
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25 miWashington market snapshot
The contractor market in Washington
Washington has 70,520 active licensed contractors serving 8,422,710 residents. County building departments pulled 34,913 permits in 2025, the work pipeline those contractors compete for.
Washington has 83.7 licensed contractors per 10,000 residents.
That works out to 19.9 contractors for every 1,000 households.
Cities with the most licensed contractors in Washington
| Rank | City | Licensed contractors |
|---|---|---|
| 1 | Seattle | 3,277 |
| 2 | Vancouver | 2,922 |
| 3 | Spokane | 2,762 |
| 4 | Kent | 1,692 |
| 5 | Tacoma | 1,647 |
| 6 | Auburn | 1,607 |
| 7 | Puyallup | 1,365 |
| 8 | Everett | 1,357 |
| 9 | Renton | 1,344 |
| 10 | Lynnwood | 1,186 |
Ranked by mapped active licenses. Cities only. The full roster covers every Washington ZIP.
General Contractors are the largest licensed trade in Washington, with 59,229 active licenses. Every other covered trade is shown with its own count in the map above.
Common questions about Washington contractors
How many licensed general contractors are in Washington?
59,229 active licensed general contractors are registered in Washington, verified against the Washington Labor & Industries (L&I). ContractorRoster delivers every one with phone, email, and website.
How do I verify a Washington contractor license?
Check any license number directly with the Washington Labor & Industries (L&I) at https://secure.lni.wa.gov/verify/. Every record we deliver carries its active license number so you can confirm it at the source.
What does a Washington contractor list cost, and how current is the data?
Lists start at $19, delivered as a CSV within 3 minutes. The Washington data was last refreshed 2026-07-07, sourced direct from the Washington Labor & Industries (L&I) and enriched with contact info for most records.
Which contractor trades does Washington cover?
Washington covers 15 trades: plumbers, hvac contractors, general contractors, roofing contractors, landscape contractors, pool contractors, fire-protection contractors, carpenters, concrete contractors, masons, drywall contractors, tile contractors, excavating contractors, painters, flooring contractors. Search any one by city or ZIP.
Which Washington cities have the most licensed contractors?
Seattle, Vancouver, Spokane lead Washington by licensed-contractor count. ContractorRoster covers every city and ZIP in the state, not just the major metros.
Are the Washington contractors in this list currently active?
Yes, every record is an active license; expired and lapsed licenses are filtered out. The Washington data was last refreshed 2026-07-07 from the Washington Labor & Industries (L&I).
Data source
Direct from the Washington Labor & Industries (L&I)
Every record we deliver in Washingtoncomes 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 Washington Labor & Industries (L&I) →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 in under 3 minutes