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.
Washington Labor & Industries (L&I) · Official state records
Search Washington contractors
Trades available in Washington
Plumbers
Seattle · Spokane
HVAC Contractors
Seattle · Spokane
General Contractors
Licensed
Roofing Contractors
Licensed
Landscape Contractors
Licensed
Pool Contractors
Licensed
Fire-Protection Contractors
Licensed
Carpenters
Licensed
Concrete Contractors
Licensed
Masons
Licensed
Drywall Contractors
Licensed
Tile Contractors
Licensed
Excavating Contractors
Licensed
Painters
Licensed
Flooring Contractors
Licensed
Looking for a specialty trade not listed here? See all other Washington license classifications →
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 over 95% of records.
Visit Washington Labor & Industries (L&I) →What you get
- • Active license number + classification
- • Business name + license holder name
- • Phone, email, website (95%+ coverage)
- • Google rating + review count where available
- • Full mailing address + ZIP
- • Issue date + expiration date
- • CSV delivered to your inbox in under 3 minutes