O'Neill Plumbing

Waste Management
6056 California Ave SW, Seattle, WA, 98136
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  • Septic Tanks & Systems
  • Plumbing-Drain & Sewer Cleaning
  • Backflow Prevention Devices & Services


  • Toto and American Standards.
  • Bradford White

Amenities & friendlies

103 Years in business


General Info
O’Neill Plumbing Company has been providing quality craftsmanship by experienced journeyman plumbers since 1917. A family owned & operated business that spans four generations means we take pride in being Clean-Fast-Professional. We specialize in all residential & commercial repairs, tenant improvements as well as underground utilities repair & replacement. We are never more than a phone call away and we are here to help, so please don’t hesitate to call.
* 24/7 Emergency Service
Proudly Serving Areas: Northgate, Bellevue, Des Moines, West Seattle & Everything in Between!

At O’Neill Plumbing Company we can tackle any Residential and Commercial plumbing project large or small. From trenchless sewer repair and replacement, re-piping, water heater repair and replacement, low water pressure problems, to sump pumps and sewage pumps we have what it takes to get the job done efficiently.
In-line video sewer cameras Electronic pipe locating Sewer repairs and pipe lining Repiping Garbage disposals Faucet repairs Toilet repairs Toilet replacement Water Heaters Water service repair/replace Low water pressure problems Sump pumps and sewer ejectors Trenchless sewer repairs Sewer cleaning Hydro jetting


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