RenoBinderWashington Contractor License Lookup
Checked 2026-11-13.
Washington's Department of Labor and Industries publishes Verify a Contractor, Tradesperson or Business, and a hiring page that explains the check. Search the registration number, the business name, or the owner. The hiring page is the department's description of what that record shows, including registration, bond and insurance, and workers' compensation.
The department says plumbing, electrical, and some other trades have licensing on top of contractor registration. Read the record for those if the bid includes them.
Verify this with the board or the city before you hire. Rules change, and a city or county can require its own license on top of a state record. This is general information, not legal advice.
Common questions
- Where do I look up a Washington contractor?
- Use Labor and Industries Verify. You can search by registration number, business name, or owner name.
- Does Washington contractor registration cover an electrician?
- The department says some trades, including plumbing and electrical, have extra licensing. Read the verify result and the hiring page.
Keep the license number with the bid
One room is free. The project holds the legal name, the license number, and the contract together.
Start your free project