Licensed contractors in Columbia, WA

4 contractors · Updated Sep 28, 2026

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Claimed and verified listings appear first.

D S Construction Services LLC

Listed

General · Columbia, WA

License #DSCONSC791DH · $30,000 bond

Deco Well LLC

Listed

Painting/Wallcovering · Columbia, WA

License #DECOWWL753P7 · $15,000 bond

Gold Mountain Contracting LLC

Listed

General · Columbia, WA

License #GOLDMMC833DZ · $30,000 bond

Northwest Const & Supply INC

Listed

General · Columbia, WA

License #NORTHCS000N5 · $30,000 bond

Trades in Columbia

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Built from Washington State L&I public records, updated Sep 28, 2026. Subser doesn't do star ratings or reviews — just verified records.