Plumbing contractors in Richland, WA

6 contractors · Updated Aug 12, 2026

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Drain Surgeon, The

Plumbing · Richland, WA

License #DRAIN**023K7 · $6,000 bond

Matts Residential Plumbing LLC

Plumbing · Richland, WA

License #MATTSRP863NA · $6,000 bond

Pacific Backflow Services LLC

Plumbing · Richland, WA

License #PACIFBS868N9 · $6,000 bond

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Built from Washington State L&I public records, updated Aug 12, 2026. No star ratings or reviews — verification only.