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

A–Z Newest licence Longest established

General2,794 Painting/Wallcovering150 Landscaping132 Journey Level72 Floor Covering And Counter Tops52 Cabinets, Millwork And Finish Carpentry50 Residential48 Handyman41 Limited Energy32 Heating/Vent/Air-conditioning And Refrig (HVAC/R)28 Tile, Ceramic, Mosaic, Natural And Mfg Stone21 Concrete19

Showing 776–800 of 3,748 records

Consolidated Crpt Of Grnwd IncFloor Covering And Counter TopsWA L&ICONSOCG001K4Licensed 2000Expired Consonance Systems, LLCContractorWA L&ICONSOSL746J3Licensed 2026Active Constant Northwest Cnst Sv LLCGeneralWA L&ICONSTNC764KFLicensed 2024Expired Constantine Builders IncGeneralWA L&ICONSTBI982J5Licensed 2002Active Construction Boys LLCGeneralWA L&ICONSTBL754L5Licensed 2025Active Construction Contractors IncGeneralWA L&ICONSTCI921RHLicensed 2008Active Constructive Energy IncGeneralWA L&ICONSTEI110JJLicensed 1989Active Constructors LLCGeneralWA L&ICONSTL*901NTLicensed 2010Active Contech Services IncGeneralWA L&ICONTESI838DOLicensed 2017Active Contemporary Homestead LLCGeneralWA L&ICONTEHL863JALicensed 2014Active Context Design/Build IncGeneralWA L&ICONTEDB994KNLicensed 2001Active Contour BuildsGeneralWA L&ICONTOB*762PCLicensed 2024Active Control Quality Painting LLCPainting/WallcoveringWA L&ICONTRQP843P7Licensed 2016Active Convey PlumbingJourney LevelWA L&ICONVEP*793OOLicensed 2021Active Coombes Development LLCGeneralWA L&ICOOMBDL846NTLicensed 2016Expired Copiers Northwest IncGeneralWA L&ICOPIENI743KMLicensed 2026Active Core Construction Building IncGeneralWA L&ICORECCB813KCLicensed 2019Active Core Roots Construction LLCGeneralWA L&ICORERRC745DQLicensed 2026Active Coriolis Design IncGeneralWA L&ICORIODI780O7Licensed 2022Active Corvidae ConstructionGeneralWA L&ICORVIC*843LTLicensed 2016Active Corvusun Creative Drmscpng LLCGeneralWA L&ICORVUCD799PQLicensed 2021Active Costarella, VittorioCabinets, Millwork And Finish CarpentryWA L&ICOSTAV*960JKLicensed 2004Active Costco Wholesale CorporationGeneralWA L&ICOSTCWC110JJLicensed 1989Active Costco Wholesale CorporationJourney LevelWA L&ICOSTCWC770K6Licensed 2023Active Costigan Construction CompanyGeneralWA L&ICOSTICC099DKLicensed 1991Active

Top 12 trades in Seattle

66 classifications

3,748Records 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

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Published 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