🔧 Official Rankings
10 Best Plumbers in Oak Harbor, WA (August 2026)
We compared 10 plumbers serving Oak Harbor and Island County, Washington, and ranked the top providers by verified reviews, ratings, and local reputation — 1,772 customer reviews in all.
The 10 listed below hold an average rating of 4.6 out of 5, led by High Caliber Plumbing. Updated for August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.6★
- Reviews analyzed
- 1,772
- Area code
- 360
High Caliber Plumbing
⭐ 5.0 · 164 reviews
285 NE Midway Blvd Ste 7, Oak Harbor, WA 98277
CPI Plumbing, Heating & Cooling
⭐ 4.9 · 930 reviews
520 E Whidbey Ave Ste 107B, Oak Harbor, WA 98277
Legacy Plumbing Group LLC
⭐ 4.9 · 74 reviews
31775 State Rte 20 A2, Oak Harbor, WA 98277
Rocky Point Plumbing and Maintenance
⭐ 4.9 · 50 reviews
33020 State Rte 20 Ste 101, Oak Harbor, WA 98277
All Island Lock & Key
⭐ 4.7 · 140 reviews
324 SE Pioneer Way, Oak Harbor, WA 98277
Island Heating & A/C Inc.
⭐ 4.6 · 312 reviews
630 Industrial Ave, Oak Harbor, WA 98277
Home Services at The Home Depot
⭐ 4.2 · 12 reviews
31800 State Rte 20, Oak Harbor, WA 98277
Scottie's Plumbing & Repair
⭐ 4.2 · 59 reviews
40 NE Midway Blvd Ste 101, Oak Harbor, WA 98277
Plumbers listed here serve Oak Harbor, Island County, and nearby ZIP codes including 98277, 98278.