Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I license records
Seattle contractors on the Washington L&I register
Every Washington L&I registration on file at a Seattle, Washington address. A license from one state grants nothing in the other, so a firm working both sides of the river carries both.
- 3,748 records on file
- Washington State Department of Labor & Industries
- data as of July 2026
61 more Seattle businesses hold an Oregon CCB license instead. Those are a separate register and a separate page: Seattle contractors on the Oregon CCB register →
3,561 unexpired recordsInclude 187 expired
Showing 3,551 to 3,561 of 3,561 records
Top 12 trades in Seattle
66 classifications3,748Records on file
3,561Unexpired
66Trade classifications
WA L&IIssuing agency
Verify any record directly with the issuing agency
For contractors
Work in Seattle? Your record is already here.
Washington State L&I registration publishes your registration, so it appears on this page. Claim it free and add the work you do.
Published by Contractor Marketing NW, Seattle, Washington. This directory reproduces public license records and is not affiliated with, endorsed by, or operated by any state agency.