Plumbing contractors in Shoreline, WA

15 contractors · Updated Aug 13, 2026

Plumbing contractors install and repair the water supply, drain, and fixture systems that carry water through a home. Washington currently lists 15 Plumbing contractors registered in Shoreline.

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Donovan Plumbing INC

Plumbing · Shoreline, WA

License #DONOVPI867KG · $6,000 bond

Flow Six INC

Plumbing · Shoreline, WA

License #FLOWSSI876RD · $6,000 bond

Lake Washington Plumbing INC

Plumbing · Shoreline, WA

License #LAKEWPI109DT

R&D Plumbing LLC

Plumbing · Shoreline, WA

License #RDPLUPL889KB · $6,000 bond

Timeless Plumbing LLC

Plumbing · Shoreline, WA

License #TIMELPL861OE · $6,000 bond

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Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.