Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I licence records
Dupont contractors on the Washington L&I register
Every Washington L&I registration on file at a Dupont, Washington address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.
24 records on file·Washington State Department of Labor & Industries·data as of July 2026
1 more Dupont business holds an Oregon CCB licence instead. Those are a separate register and a separate page: Dupont contractors on the Oregon CCB register →
22 unexpired recordsInclude 2 expired
Showing 1–22 of 22 records
Andy & SonsActiveAnthony Gardner Rmdlng RprActiveArete Custom LLCActiveBarrett's Tree Service LLCActiveBattery Power Solutions LLCActiveBattery Power Solutions LLCActiveBrown Electric LLCActiveChucks Lawn ServiceActiveDupont Handyman LLCActiveDupont Home Renovations LLCActiveEl Dorado Ventures IncActiveGolden Rule Pntg & Decor IncActiveJorgensen Construction IncActiveKingdom Bldrs & Rnvtns LLCActiveLarke Home ServicesActiveNorthwest Roof Defense LLCActiveParallel X LLCActivePnw Pros LLCActiveRoom To Grow DesignsActiveStill Movin Garage DoorActiveSouth Sound Windows & GlassActiveWashcraft LLCActive
Trades registered in Dupont
7 classifications24Records on file
22Unexpired
7Trade 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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Claim your recordPublished 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