🔧 Official Rankings
10 Best Plumbers in Oshkosh, WI (August 2026)
We compared 10 plumbers serving Oshkosh and Winnebago County, Wisconsin, and ranked the top providers by verified reviews, ratings, and local reputation — 576 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by J. Cox Plumbing. Updated for August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 576
#1
#2
Gomach Plumbing LLC
⭐ 4.9 · 82 reviews
2211 Oregon St Ste Q, Oshkosh, WI 54902
#3
#4
Kurt Zentner & Sons, Inc.
⭐ 5.0 · 35 reviews
2860 Oregon St, Oshkosh, WI 54902
#5
OSHKOSH HEATING & AIR, LLC
⭐ 4.8 · 145 reviews
920 S Main St, Oshkosh, WI 54902
#6
#7
#8
#9
M. P. Kelly Plumbing By Mike Gudden LLC
⭐ 4.8 · 16 reviews
133 W 7th Ave, Oshkosh, WI 54902
#10
Plumbers listed here serve Oshkosh, Winnebago County, and nearby ZIP codes including 54901, 54902, 54903, 54904, 54906.