🔧 Official Rankings
10 Best Plumbers in Lebanon, NH (August 2026)
We compared 10 plumbers serving Lebanon and Grafton County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 1,629 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Jerm's Plumbing, Heating & Air. Updated for August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 1,629
- Area codes
- 603, 802
Jerm's Plumbing, Heating & Air
⭐ 5.0 · 1447 reviews
16 Airpark Rd, West Lebanon, NH 03784
Forward's Plumbing, LLC
⭐ 5.0 · 95 reviews
31 Riverside Dr, Lebanon, NH 03766
Cota & Cota
⭐ 4.5 · 27 reviews
8 Barnes Ave, White River Junction, VT 05001
Koloski Plumbing & Heating
⭐ 5.0 · 3 reviews
78 Norwich Ave, White River Junction, VT 05001
Plumbers in Lebanon — FAQs
How do I choose the best plumber in Lebanon, NH?+
Compare local plumbers on verified reviews, confirm they're licensed in New Hampshire, and check they handle your job — a repair, water heater, or remodel. Top-rated options serving Lebanon include Koloski Plumbing & Heating and Forward's Plumbing, LLC. Ask about emergency service for burst pipes in winter.
What do plumbers charge in the Lebanon area?+
Lebanon plumbers may bill hourly for diagnostics and small repairs or a flat rate for defined jobs, with emergency calls costing more. Comparing a couple of quotes from top-rated local plumbers gives the clearest picture before you commit.
Who are the top-rated plumbers in Lebanon, NH?+
By verified reviews, highly rated plumbers serving Lebanon include Koloski Plumbing & Heating, Jerm's Plumbing, Heating & Air, Forward's Plumbing, LLC, and J & B Plumbing & Heating. Rankings update regularly.
What areas do Lebanon plumbers serve?+
Lebanon is in Grafton County in the Upper Valley and uses the 603 area code (with 802 common across the Vermont line). Most plumbers listed here also cover surrounding Upper Valley towns — confirm your address when booking.
Plumbers listed here serve Lebanon, Grafton County, and nearby ZIP codes including 03756, 03766, 03784.