Washington contractor license lookup
Washington contractors must register with L&I, carry a surety bond and liability insurance. Search the L&I contractor license data below.
- Free, no sign-up
- Official state data
- Result in seconds
What the Washington record shows
This L&I dataset shows license status, type, specialty, effective and expiration dates. Bond and insurance details are not in this dataset – check them in L&I Verify.
Data: L&I Contractor License Data on data.wa.gov (status, effective and expiration dates, specialty). (dataset)
How to verify a Washington contractor
- Search by license number (most precise) or exact business name.
- Confirm the status is active and the expiration date is after your project ends.
- Match the license classification to the job.
- Ask for proof of insurance and any required bond; compare the business name on the contract to the record.
- Confirm on the official Washington State Department of Labor & Industries (L&I) portal.
For contractors in Washington
Washington bond requirements →Washington contractor bond amounts under RCW 18.27.040: $30,000 for general contractors and $15,000 for specialty contra…Contractor insurance →General liability and workers' comp basics.
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Get an email before a license expires
Your own license, or a contractor you hired. Step 1 of 2 — just your email.