Records copied from Washington State L&I and the Oregon Construction Contractors Board.

WA L&I licence records

Woodinville contractors on the Washington L&I register

Every Washington L&I registration on file at a Woodinville, Washington address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.

510 records on file·Washington State Department of Labor & Industries·data as of July 2026

19 more Woodinville businesses hold an Oregon CCB licence instead. Those are a separate register and a separate page: Woodinville contractors on the Oregon CCB register →

510 total recordsHide expired

A–Z Newest licence Longest established

General376 Residential18 Landscaping15 Journey Level13 Floor Covering And Counter Tops11 Painting/Wallcovering10 Cabinets, Millwork And Finish Carpentry9 Tree Removal Service6 Limited Energy5 Tile, Ceramic, Mosaic, Natural And Mfg Stone4 Welding And Ornamental Metal4 Handyman3

Showing 301–325 of 510 records

Nordstrom Heating & AirGeneralWA L&INORDSHA772L2Licensed 2023Active Norkri CorpGeneralWA L&INORKRC*158QALicensed 1985Active North Creek Contractors IncGeneralWA L&INORTHCC859R8Licensed 2015Active Northlake Concrete Prdcts IncGeneralWA L&INORTHCP246J8Licensed 1976Active Northwest Archtctrl Prdcts IncGeneralWA L&INORTHAP950MOLicensed 2005Expired Northwest Boring Co IncGeneralWA L&INORTHB*312QPLicensed 1969Active Northwest Landscape ServicesLandscapingWA L&INORTHLS845O3Licensed 2016Active Northwest Landscape ServicesLandscapingWA L&INORTHLS845PULicensed 2016Active Northwest MechanicalResidentialWA L&INORTHM*760NGLicensed 2024Active Northwest MechanicalGeneralWA L&INORTHM*799CALicensed 2021Active Northwest Outdoor Lighting IncLandscapingWA L&INORTHOL877PNLicensed 2013Active Northwest Partitions IncGeneralWA L&INORTHPI169QALicensed 1984Active Northwest Professnl Bldrs IncGeneralWA L&INORTHPB894JFLicensed 2011Active Northwest Sound Electric CoGeneralWA L&INORTHSE024CSLicensed 1998Active Northwest Utilities IncGeneralWA L&INORTHI*220MFLicensed 1978Active Norton Corrosion Ltd LLCGeneralWA L&INORTOCL867O4Licensed 2014Active Nova Service LLCGeneralWA L&INOVASSL770L7Licensed 2023Active NW BloomLandscapingWA L&INWBLOB*781N3Licensed 2022Active Nwap IncGeneralWA L&INWAPII*786NNLicensed 2022Active Nwpmc IncGeneralWA L&INWPMCI*828BULicensed 2018Active Nwww LLCGeneralWA L&INWWWLL*771JLLicensed 2023Active Northwest MechanicalHVAC/RfrgWA L&INORTHM*794CFLicensed 2021Active O2pure Air Duct Cleaning LLCGeneralWA L&IOZPURAD965NJLicensed 2004Active Oasis Gardens & DesignLandscapingWA L&IOASISGD930NMLicensed 2007Active Ops, Operable Prtn Serv LLCInst Equip/Stat Furn/Lab T/LoWA L&IOPS*OOP865B1Licensed 2014Active

Top 12 trades in Woodinville

38 classifications

510Records on file

493Unexpired

38Trade 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