🔧 Official Rankings
10 Best Plumbers in Merrimack, NH (August 2026)
We compared 5 plumbers serving Merrimack and Hillsborough County, New Hampshire, and ranked the top providers by verified reviews, ratings, and local reputation — 486 customer reviews in all.
The 5 listed below hold an average rating of 4.4 out of 5, led by JMS Plumbing and Heating LLC. Updated for August 2026.
- Plumbers ranked
- 5
- Average rating
- 4.4★
- Reviews analyzed
- 486
- Area code
- 603
JMS Plumbing and Heating LLC
⭐ 5.0 · 223 reviews
11 Jakes Ln, Merrimack, NH 03054
Artisan Plumbing & Heating, LLC
⭐ 4.9 · 51 reviews
579 Daniel Webster Hwy unit 1B, Merrimack, NH 03054
A Bee Septic LLC
⭐ 4.3 · 21 reviews
534 Daniel Webster Hwy, Merrimack, NH 03054
Plumbers in Merrimack — FAQs
What is the average hourly rate for a plumber in the Merrimack area?+
Merrimack plumbers may bill hourly for diagnostics and small repairs or a flat rate for defined jobs, with emergency calls costing more. Because rates and scope vary, getting a couple of quotes from top-rated local plumbers is the best way to compare.
How do I choose the best plumber in Merrimack, 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 Merrimack include Pine Valley Plumbing and Artisan Plumbing & Heating, LLC. Ask about emergency service for winter pipe issues.
Who are the top-rated plumbers in Merrimack, NH?+
By verified reviews, highly rated plumbers serving Merrimack include JMS Plumbing and Heating LLC, Pine Valley Plumbing, Artisan Plumbing & Heating, LLC, and A Bee Septic LLC. Rankings update regularly.
What areas do Merrimack plumbers serve?+
Merrimack is in Hillsborough County and uses the 603 area code with ZIP code 03054. Most plumbers listed here also cover surrounding Hillsborough County towns — confirm your address when booking.
Plumbers listed here serve Merrimack, Hillsborough County, and nearby ZIP codes including 03054.