Records copied from Washington State L&I and the Oregon Construction Contractors Board.
WA L&I licence records
Black Diamond contractors on the Washington L&I register
Every Washington L&I registration on file at a Black Diamond, Washington address. A licence from one state grants nothing in the other, so a firm working both sides of the river carries both.
93 records on file·Washington State Department of Labor & Industries·data as of July 2026
93 total recordsHide expired
Showing 26–50 of 93 records
Ddj Plastering LLCActiveDiamond Exteriors LLCActiveDiamond Plumbing IncActiveDimensions Drywall LLCActiveDoors & DrawersActiveEgm Construction Group LLCActiveFidelity SolutionsActiveFortna Contracting LLCActiveFourtech IncActiveFroys Irrigation LLCActiveG N ConstructionActiveG Russ Construction LLCActiveGoat Renovations & Gen Ctr LLCActiveIntegrity Wall LLCActiveIronridge LLCActiveIvs Construction LLCActiveJose's Landscaping-Maint LLCActiveKarla's FloorsActiveKlh Roofing & Construction IncActiveKsr WoodworkingActiveLumbersmith IncActiveLunabella Landscaping LLCActiveM B J Construction IncActiveMcGann Electric LLCActiveMercer Development ServicesActive
Top 12 trades in Black Diamond
13 classifications93Records on file
92Unexpired
13Trade 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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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 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