Plumbing contractors in Castle Rock, WA

4 contractors · Updated Nov 11, 2026

Plumbing contractors install and repair the water supply, drain, waste, and vent systems that carry water through a building. Washington currently lists 4 Plumbing contractors registered in Castle Rock.

View all 4 contractors →

Claimed and verified listings appear first.

2 Guys Plumbing LLC

Listed

Residential · Castle Rock, WA

License #2GUYSGP786KB · $6,000 bond

Coastal Plumbing LLC

Listed

Journey Level · Castle Rock, WA

License #COASTPL764CE · $6,000 bond

Browse more

Other trades in Castle Rock

How to read confidence grades and license statuses

Built from Washington State L&I public records, updated Nov 11, 2026. Subser doesn't do star ratings or reviews — just verified records.