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 3,351–3,375 of 3,748 records

The Well Dressed Window LLCWindow CoveringsWA L&IWELLDWD841LCLicensed 2016Active The WorkshopGeneralWA L&IWORKSW*745KGLicensed 2026Active The Wrightworks Const C Sv LLCGeneralWA L&IWRIGHWC745DQLicensed 2026Active Thermoroom LLCGeneralWA L&ITHERML*774J5Licensed 2023Active Third & Wall Art Group LLCPainting/WallcoveringWA L&ITHIRDWA818D9Licensed 2019Active Third Little Pig LLCGeneralWA L&ITHIRDLP802RSLicensed 2020Active This Alt House LLCGeneralWA L&ITHISAAH746CBLicensed 2026Active Thistle & StoneGeneralWA L&ITHISTS*742LNLicensed 2026Active Thomas Bell ElectricGeneralWA L&ITHOMABE013B6Licensed 1999Active Thomas Development LLCGeneralWA L&ITHOMADL782K6Licensed 2022Active Thomas Edward ProductionsGeneralWA L&ITHOMAEP772DOLicensed 2023Active Thomas Fragnoli ConstructionGeneralWA L&ITHOMAFC861K8Licensed 2014Active Thomas Group LLCGeneralWA L&ITHOMAGL987OCLicensed 2002Active Thomas Henry RemodelingGeneralWA L&ITHOMAHR071BGLicensed 1993Active Thomas Jacobson Const IncGeneralWA L&ITHOMAJC926CMLicensed 2008Active Thompson & Assocs Custom PntngGeneralWA L&ITHOMPAC970D6Licensed 2003Active Thompson Floor Services IncConcreteWA L&ITHOMPFS927LTLicensed 2008Active Thoroughbred Investments LLCGeneralWA L&ITHOROIL750RZLicensed 2025Active Three Tree Construction LLCGeneralWA L&ITHREETC809Q3Licensed 2020Active Thrive Developments LLCGeneralWA L&ITHRIVDL781R8Licensed 2022Active Thriving Garden Design IncGeneralWA L&ITHRIVGD907LQLicensed 2010Active Thundor Construction LLCGeneralWA L&ITHUNDCL776PTLicensed 2023Active Thurman Development Group IncGeneralWA L&ITHURMDG871QALicensed 2013Active Tian & Fei Granite & CabinetsGeneralWA L&ITIANFFG773DMLicensed 2023Active Tierra LandscapeLandscapingWA L&ITIERRL*885BJLicensed 2012Active

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