Washington State public records

Washington Contractor Lookup

Search by business name or 12-character contractor license.

Search Washington contractor records

Try a registered business name or a 12-character Washington contractor license.

Data updated: 2026-11-03 · Source: Washington State Department of Labor & Industries (L&I)

Search by license

An exact normalized license match is ranked first. The license is the canonical key; separate registrations are not merged by business name or UBI.

Search by business

Name search uses the normalized Phase 1 index and returns the closest matching record summaries. Open a result for complete public fields.

Confirm the result

Check that the business name, location, status and license match the contractor you intend to verify. Then confirm current facts with L&I.