Data
Plumbing companies in Washington
There are 4,629 plumbing companies in Washington (CityPreferred count, October 2026). Seattle has the most (464), then Tacoma (263).
Reviewed October 1, 2026
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Washington cities
| City | Companies |
|---|---|
| Seattle | 464 |
| Tacoma | 263 |
| Vancouver | 198 |
| Kent | 145 |
| Spokane | 144 |
| Everett | 95 |
| Auburn | 93 |
| Olympia | 91 |
| Bellevue | 89 |
| Renton | 76 |
| Lynnwood | 69 |
| Federal Way | 64 |
| Redmond | 57 |
| Kirkland | 56 |
| Snohomish | 53 |
| Bothell | 51 |
| Puyallup | 51 |
| Yakima | 50 |
| Bremerton | 49 |
| Bellingham | 48 |
| Kennewick | 47 |
| Battle Ground | 45 |
| Marysville | 39 |
| Spokane Valley | 38 |
| Lake Stevens | 38 |
| Gig Harbor | 37 |
| Arlington | 35 |
| Issaquah | 35 |
| Edmonds | 33 |
| Woodinville | 33 |
| Port Orchard | 32 |
| Poulsbo | 29 |
| Burien | 28 |
| Lacey | 27 |
| Longview | 27 |
| Graham | 26 |
| Lakewood | 26 |
| Tukwila | 26 |
| Spanaway | 26 |
| Mount Vernon | 26 |
| Oak Harbor | 25 |
| Monroe | 25 |
| Sammamish | 24 |
| Washington | 23 |
| Sequim | 23 |
| Walla Walla | 23 |
| Camas | 22 |
| Maple Valley | 22 |
| Wenatchee | 22 |
| Enumclaw | 22 |
| Centralia | 20 |
Washington and the rest of the country
Washington has 4,629 of the 185,402 plumbing companies in the country (2%). All states.
What is counted
Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.
Questions and answers
- How many plumbing companies are there in Washington?
- 4,629, by CityPreferred's count as of October 2026.
- Which Washington city has the most?
- Seattle, with 464, followed by Tacoma with 263.