Plumbing contractors in Seattle, WA
Plumbing contractors install and repair the water supply, drain, waste, and vent systems that carry water through a building. Washington currently lists 142 Plumbing contractors registered in Seattle.
Claimed and verified listings appear first.
Aaa Fire Protection INC
ListedBackflow Specialty · Seattle, WA
License #AAAFIFP777PZ · $6,000 bond
Aaa Water Heaters
ListedResidential · Seattle, WA
License #AAAWAWH741J7 · $6,000 bond
Action Plumbing
ListedJourney Level · Seattle, WA
License #ACTIOP*784BO · $6,000 bond
Advanced Mechanical & Plumbing
ListedResidential · Seattle, WA
License #ADVANMP795R3 · $6,000 bond
Anthony's Plumbing Company
ListedJourney Level · Seattle, WA
License #ANTHOPC791NR · $6,000 bond
Aquatechs Water Heater
ListedJourney Level · Seattle, WA
License #AQUATWH755RN · $6,000 bond
Aurora Plumbing
ListedResidential · Seattle, WA
License #AURORP*798NZ · $6,000 bond
Beagle Services INC.
ListedJourney Level · Seattle, WA
License #BEAGLSI781NB · $6,000 bond
Bee's Plbg, Htg & Swr CO LLC
ListedJourney Level · Seattle, WA
License #BEESPPH75127 · $6,000 bond
Ben's Plumbing
ListedResidential · Seattle, WA
License #BENSPP*762OR · $6,000 bond
Best Plumbing Group LLC
ListedJourney Level · Seattle, WA
License #BESTPPG797MF · $6,000 bond
Bogman Company LLC
ListedJourney Level · Seattle, WA
License #BOGMACL790OM · $6,000 bond
Bpg Plumbs LLC
ListedJourney Level · Seattle, WA
License #BPGPLPL742B9 · $6,000 bond
Brennan Heating & A/C LLC
ListedJourney Level · Seattle, WA
License #BRENNHC795OO · $6,000 bond
Button Plumbing & Heating LLC
ListedJourney Level · Seattle, WA
License #BUTTOPH796ON · $6,000 bond
Cascade Craft Plumbing LLC
ListedResidential · Seattle, WA
License #CASCACP741OD · $6,000 bond
Casiano Transport LLC
ListedJourney Level · Seattle, WA
License #CASIATL781K6 · $6,000 bond
Centerline Plumbing LLC
ListedJourney Level · Seattle, WA
License #CENTEPL780DS · $6,000 bond
Clearview Mechanical INC
ListedJourney Level · Seattle, WA
License #CLEARMI783LP · $6,000 bond
Collier Plumber INC
ListedResidential · Seattle, WA
License #COLLIPI792MO · $6,000 bond
Columbia Fire LLC
ListedBackflow Specialty · Seattle, WA
License #COLUMFL755RR · $6,000 bond
Convey Plumbing
ListedJourney Level · Seattle, WA
License #CONVEP*793OO · $6,000 bond
Costco Wholesale Corporation
ListedJourney Level · Seattle, WA
License #COSTCWC770K6 · $6,000 bond
Craftsman Plumbing LLC
ListedJourney Level · Seattle, WA
License #CRAFTPL798P9 · $6,000 bond
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Other trades in Seattle
- General (5,811)
- Electrical (433)
- Painting/Wallcovering (383)
- Landscaping (239)
- Floor Covering and Counter Tops (129)
- Handyman (120)
- Cabinets, Millwork and Finish Carpentry (107)
- Tile, Ceramic, Mosaic, Natural and MFG Stone (63)
- Heating/Vent/Air-Conditioning and Refrig (HVAC/R) (53)
- Concrete (47)
- Tree Removal Service (42)
- Locks, Security and Alarm Equipment (36)
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How to read confidence grades and license statuses
Built from Washington State L&I public records, updated Sep 27, 2026. Subser doesn't do star ratings or reviews — just verified records.