Licensed plumbing contractors in Seattle: all listed contractors
These plumbing contractors are licensed and based in or around Seattle. SWKM GmbH does not perform any work; you contract directly with the business.
- AURORA PLUMBING SUPPLY CO INC (Aurora Plumbing)Seattle, WA 98133 · License: L&I AURORP*798NZ (verified 10/18/2026)auroraplumbing.com
- BELLEVUE PLUMBING INCBellevue, WA 98007 · License: L&I BELLEPI795ON (verified 10/18/2026)bellevueplumbinginc.com
- BOBBY T'S PLUMBING INCShoreline, WA 98133 · License: L&I BOBBYTP797OC (verified 10/18/2026)bobbytsplumbing.com
- DAY & NITE PLUMBING & HTG INCLynnwood, WA 98037 · License: L&I DAYNINP795OS (verified 10/18/2026)dayandnite.net
- O'NEILL PLUMBING COSeattle, WA 98136 · License: L&I ONEILPC793ND (verified 10/18/2026)oneillplumbing.com
- Q P S INC (Quality Plumbing)Seattle, WA 98107 · License: L&I QUALIP*795NU (verified 10/18/2026)qualityplumbing.cc
- RUSH PLUMBING INCKent, WA 98032 · License: L&I RUSHPPI783D8 (verified 10/18/2026)rushplumbingseattle.com
Unpaid listing. SWKM GmbH receives no payment or other compensation from these businesses. How we select
List as of 10/18/2026. Alphabetical order, no ranking. License status verified on 10/18/2026 with Washington State Department of Labor & Industries (L&I), Plumbing Contractor.