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 2,101–2,125 of 3,748 records

Maverick Specialty Contg LLCGeneralWA L&IMAVERSC791LZLicensed 2021Active Mawhinney Construction LLCGeneralWA L&IMAWHICL890C2Licensed 2011Active Max Heat LLCGeneralWA L&IMAXHEHL824PPLicensed 2018Active Max Technologies LLCLimited EnergyWA L&IMAXTETL904MNLicensed 2010Expired May Renovations LLCGeneralWA L&IMAYRERL742CLLicensed 2026Active Mayer Designs IncMetal FabricationWA L&IMAYERDI921PNLicensed 2008Active Mbj Contracting LLCGeneralWA L&IMBJCOCL758KFLicensed 2025Active McConnell Garden & StoneLandscapingWA L&IMCCONGS747DBLicensed 2026Active McConnell's Projects LLCGeneralWA L&IMCCONPL751KWLicensed 2025Active McGregor Door & Hardware LLCGeneralWA L&IMCGREDH955RTLicensed 2005Active McKain ConstructionGeneralWA L&IMCKAIC*940MJLicensed 2006Active McKeever Construction LLCGeneralWA L&IMCKEECL751JALicensed 2025Active McKenzie Construction LLCGeneralWA L&IMCKENCL910DZLicensed 2009Active McKinstry Co LLCJourney LevelWA L&IMCKINCL793NGLicensed 2021Active McKinstry Co LLCGeneralWA L&IMCKINCL942DNLicensed 2006Active McKinstry Co LLCGeneralWA L&IMCKINCL942DWLicensed 2006Active McKinstry Essention LLCGeneralWA L&IMCKINEL874CLLicensed 2013Active McKinstry Stauffer Yang ConstGeneralWA L&IMCKINSY781JOLicensed 2022Active McLauchlan Construction LLCGeneralWA L&IMCLAUCL055QFLicensed 1995Active McLeod Enterprises LLCGeneralWA L&IMCLEOEL916PWLicensed 2009Active McMahan Hardwood Rstrn LLCFloor Covering And Counter TopsWA L&IMCMAHHR791Q4Licensed 2021Active McNamara Industries IncGeneralWA L&IMCNAMI*031D4Licensed 1997Active McR Construction IncGeneralWA L&IMCRCOCI852QDLicensed 2015Active McRae Theater Equipment IncGeneralWA L&IMCRAETE780MGLicensed 2022Expired Md Remodel & Repair LLCGeneralWA L&IMDREMRR760LFLicensed 2024Active

Top 12 trades in Seattle

66 classifications

3,748Records on file

3,617Unexpired

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 record

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