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

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 2,201–2,225 of 3,618 records

Nice Building CorpGeneralWA L&INICEBBC818L5Licensed 2019Active Nicholas Quality CarpetingFloor Covering And Counter TopsWA L&INICHOQC158BGLicensed 1985Active Nicholson ConstructionGeneralWA L&INICHOC*815MSLicensed 2019Active NicoterraLandscapingWA L&INICOT**770PJLicensed 2023Active Nihao Construction IncGeneralWA L&INIHAOCI915DSLicensed 2009Active Ninebark Design Build LLCGeneralWA L&ININEBDB919RBLicensed 2009Active Nirvana Lndscps & Irrigatn LLCGeneralWA L&INIRVALI808Q1Licensed 2021Active Njn Construction LLCGeneralWA L&INJNCOCL795N6Licensed 2021Active Nk Build LLCGeneralWA L&INKBUIBL872BDLicensed 2013Active Nk Builders LLCGeneralWA L&INKBUIBL802P6Licensed 2020Active No Sweat Home RepairHandymanWA L&INOSWESH752MBLicensed 2025Active Nob Hill Development LLCGeneralWA L&INOBHIHD751D7Licensed 2025Active Noble Woodwork IncGeneralWA L&INOBLEWI821JBLicensed 2018Active Nolan Construction CorpGeneralWA L&INOLANCC000NSLicensed 2000Active Nomad Painting LLCPainting/WallcoveringWA L&INOMADPL787KOLicensed 2022Active Nomadic Construction LLCGeneralWA L&INOMADCL778LELicensed 2023Active Nor Wes Construction IncGeneralWA L&INORWEC*276KNLicensed 1973Active Nordic Hardwood Floors LLCFloor Covering And Counter TopsWA L&INORDIHF927LWLicensed 2008Active Norm Davis Builder IncGeneralWA L&INORMDBI015RFLicensed 2000Active Nortech IncGeneralWA L&INORTEI*745J8Licensed 2026Active North 48 Electrical & Son LLCGeneralWA L&INORTH4E779LHLicensed 2023Active North American Terrazzo IncGeneralWA L&INORTHAT947DALicensed 2006Active North Cape Contractors LLCGeneralWA L&INORTHCC814JZLicensed 2019Active North Coast Electric CompanyGeneralWA L&INORTHCE779D8Licensed 2023Active North East Landscpng Srvcs LLCGeneralWA L&INORTHEL841RALicensed 2016Active

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

For contractors

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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