🔧 Official Rankings
10 Best Plumbers in Kennewick, WA (August 2026)
We compared 10 plumbers serving Kennewick and Benton County, Washington, and ranked the top providers by verified reviews, ratings, and local reputation — 11,427 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Roto-Rooter Service. Updated for August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 11,427
- Area code
- 509
Roto-Rooter Service
⭐ 5.0 · 1174 reviews
1330 E Broadway St, Pasco, WA 99301
Campbell & Company
⭐ 4.9 · 7394 reviews
2828 W Irving St, Pasco, WA 99301
Express 24 Hr Plumbing & Drain, LLC
⭐ 4.9 · 1272 reviews
6503 W Okanogan Ave Ste f, Kennewick, WA 99336
1-Tom-Plumber
⭐ 4.9 · 553 reviews
6250 W Clearwater Ave Ste 101, Kennewick, WA 99336
Backflow Tri-Cities
⭐ 4.9 · 39 reviews
3500 W Court St #4608, Pasco, WA 99301
Mr. Rooter Plumbing of Tri-Cities
⭐ 4.7 · 793 reviews
1817 W Sylvester St, Pasco, WA 99301
Z Plumberz of Kennewick
⭐ 4.8 · 53 reviews
4819 W Clearwater Ave, Kennewick, WA 99336
Riggle Plumbing, Inc.
⭐ 4.7 · 60 reviews
6508 W Deschutes Ave, Kennewick, WA 99336
Plumbers listed here serve Kennewick, Benton County, and nearby ZIP codes including 99336, 99337, 99338.