Washington · Free tool

Check a Washington contractor’s license

Check a Washington contractor's registration, bond and insurance against Washington State Department of Labor & Industries's own records, free. Search by registration number or business name.

All states · Washington licensing rules

The state’s own lookup: L&I Verify a Contractor. Shows registration status, the bond and the insurance behind it. SubSub checks this one directly.

Keep every Washington sub's paperwork current

SubSub tracks every sub's license, insurance and W-9, warns you before a certificate lapses under a booked job, and keeps the live copy instead of a stale PDF.

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Questions

How do I check a Washington contractor's license?

Search by registration number or business name above. SubSub reads Washington State Department of Labor & Industries's public records and shows the status, the expiry date, the bond and the insurance on file.

Does Washington require contractors to be licensed?

Every construction contractor must register with L&I before bidding or advertising, and registration requires a surety bond and general liability insurance. There is no exam for general registration.