King County · Seattle
O'Neill Plumbing
Emergency calls: O'Neill Plumbing, Seattle, King County.
- Seattle
- emergency
- County
- King
- Phone
- (206) 932-5283
- Website
- oneillplumbing.com
- Address
- 6056 California Ave SW, Seattle, WA 98136
- Listed for
- emergency calls
License check
- WA plumbing contractor license · L&I #ONEILPC793ND, active, expires 2027-07-26. Bond and liability insurance on file. L&I Verify
We matched this business by phone number and business name in Washington L&I contractor license data on data.wa.gov (the same records as L&I Verify) on October 18, 2026. A match is not an endorsement. Look the number up yourself before work starts.
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Before you call O'Neill Plumbing, see how to hire emergency plumbers.