Plumbing contractors in Friday Harbor, WA
Plumbing contractors install and repair the water supply, drain, waste, and vent systems that carry water through a building. Washington currently lists 10 Plumbing contractors registered in Friday Harbor.
Claimed and verified listings appear first.
Crb LLC
ListedJourney Level · Friday Harbor, WA
License #CRBLLL*786RZ · $6,000 bond
Donovan Wilson Plumbing LLC
ListedJourney Level · Friday Harbor, WA
License #DONOVWP773RR · $12,000 bond
Duncan Plumbing Company LLC
ListedJourney Level · Friday Harbor, WA
License #DUNCAPC745ON · $6,000 bond
Mauldin's Well Service INC
ListedPump & Irrigation · Friday Harbor, WA
License #MAULDWS785DD · $6,000 bond
Northwest Plbg/Waterworks INC
ListedJourney Level · Friday Harbor, WA
License #NORTHPI790MG · $6,000 bond
Riptide Plumbing, LLC
ListedResidential · Friday Harbor, WA
License #RIPTIPL755DK · $6,000 bond
San Juan Heating LLC
ListedJourney Level · Friday Harbor, WA
License #SANJUJH757N8 · $6,000 bond
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Other trades in Friday Harbor
- General (359)
- Electrical (24)
- Painting/Wallcovering (21)
- Cabinets, Millwork and Finish Carpentry (11)
- Landscaping (10)
- Tile, Ceramic, Mosaic, Natural and MFG Stone (8)
- Tree Removal Service (5)
- Floor Covering and Counter Tops (5)
- Heating/Vent/Air-Conditioning and Refrig (HVAC/R) (4)
- Handyman (3)
- Excavation, Grading and Land Clearing (3)
Related trades
How to read confidence grades and license statuses
Built from Washington State L&I public records, updated Sep 28, 2026. Subser doesn't do star ratings or reviews — just verified records.