How to Check a Contractor License in Washington
How to check a contractor license in Washington in six steps: get the registration number, confirm ACTIVE status, check expiry, bond, insurance and L&I Verify.
An Independent Public Record · Washington
Search every Washington contractor registration by business name or license number. Status, expiry, bond and insurance on one clear page, then confirm with L&I in a click.
Data as of Oct 30, 2026 · Not affiliated with any government
“A license is the floor, not the ceiling. Check the record before the deposit.”The Verified Licensed principle
The Washington Directory
Only active registrations with a Washington address, sorted by city and refreshed from the state file. Search by name, trade, city or license number.
Data Source: Washington L&I via data.wa.gov · 162,025 records · Updated Oct 30, 2026 · Confirm every result with the official L&I Verify tool
How It Works
Washington requires contractors to register with L&I. Here is how to read that record before you sign anything.
Enter a business name or registration number. Results come from the latest Washington L&I file, including expired and suspended records.
Active, expired or suspended, plus the expiry date and the bond and insurance the state has on file.
Every profile links to the official L&I verification tool, so the final word always comes from the state.
Start a License Check →What to Check
Washington requires contractors to register with L&I, post a surety bond and carry liability insurance. Those three facts decide whether you have any recourse if a job goes wrong.
The Library
Plain-English explainers sourced to the RCW and L&I, written for homeowners about to hire.
How to check a contractor license in Washington in six steps: get the registration number, confirm ACTIVE status, check expiry, bond, insurance and L&I Verify.
State Coverage
We add a state only after checking its licensing data and terms of use. Until then, use the Check a Contractor License in Any US State page for official links.