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 →
3,618 unexpired recordsInclude 130 expired
Showing 701–725 of 3,618 records
Clearview Mechanical IncActiveClearwater Properties LLCActiveCliffgomesActiveClise Agency IncActiveCloud 9 Heating & Air LLCActiveClr Construction IncActiveCls Renovations LLCActiveCn Drilling IncActiveCoast 2 Coast Painting LLCActiveCoastal Construction LLCActiveCoastal Electric LLCActiveCobalt Construction LLCActiveCobblestone Company, TheActiveCochran IncActiveCochran IncActiveCodor Design LLCActiveCoffman Engineers IncActiveCoho Construction & Design LLCActiveCoho Enterprises LLCActiveColbeck & Company IncActiveCold Knight Builders LLCActiveCole Contracting LLCActiveCollaborative Surfaces WA LLCActiveCollette Collins DesignActiveCollier Plumber 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