Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I licence records
Seattle contractors on the Washington L&I register
Every Washington L&I registration on file at a Seattle, Washington address. A licence 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 licence instead. Those are a separate register and a separate page: Seattle contractors on the Oregon CCB register →
3,748 total recordsHide expired
Showing 301–325 of 3,748 records
Atlas Development Group LLCActiveAtlas Networks CorporationActiveAtlasphere LLCActiveAttic Star IncActiveAudaz Painting LLCActiveAurora PlumbingActiveAurora PlumbingActiveAustech ElectricActiveAuthentic Carpentry & WoodworkExpiredAutomated Equipment Co IncActiveAva Design Build IncActiveAvalon NW IncActiveAvalon NW Landscape LLCActiveAvant Maintenance LLCActiveAvid Builders IncActiveAvista Fence LLCActiveAvit, LLCActiveAvr Refrigeration & RepairActiveAvs Build LLCActiveAxia BuiltActiveAxiom Constructors LLCActiveAyers Custom Construction LLCActiveAzalea Contracting LLCActiveAztec Equipment Company IncActiveAztec Welding IncActive
Top 12 trades in Seattle
66 classifications3,748Records on file
3,618Unexpired
66Trade classifications
WA L&IIssuing agency
Verify any record directly with the issuing agency: WA L&I Verify a Contractor · Oregon CCB licence search
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 what you actually do.
Claim your recordPublished by PNW Contractor Marketing, SeaTac, Washington. This directory reproduces public licence records and is not affiliated with, endorsed by, or operated by any state agency.Washington data as of July 2026. Sources & method