🔧 Official Rankings
10 Best Plumbers in Marshalltown, IA (September 2026)
We compared 9 plumbers serving Marshalltown and Marshall County, Iowa, and ranked the top providers by verified reviews, ratings, and local reputation — 720 customer reviews in all.
The 9 listed below hold an average rating of 3.6 out of 5, led by Honest Heating and Cooling, Inc. Updated for September 2026.
- Plumbers ranked
- 9
- Average rating
- 3.6★
- Reviews analyzed
- 720
- Area code
- 641
#1
Honest Heating and Cooling, Inc
⭐ 5.0 · 641 reviews
507 Player St, Marshalltown, IA 50158
#2
#3
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#7
Klootwyk Plumbing & Air Conditioning
⭐ 1.5 · 2 reviews
1004 Iowa Ave W, Marshalltown, IA 50158
#8
#9
Plumbers listed here serve Marshalltown, Marshall County, and nearby ZIP codes including 50158.