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Commercial Plumbing in New Hampshire

Restaurants, offices, retail and multi-family: repairs, maintenance and build-outs. Available 24/7 in every NH city and town.

(888) 480-9811

Restaurants, offices, retail stores, medical offices and apartment buildings cannot afford plumbing downtime. MJA Plumbing and Heating provides commercial plumbing repair, maintenance contracts, grease trap service, backflow testing and build-out plumbing across New Hampshire.

What our commercial plumbing service includes

  • Commercial repairs and emergencies
  • Restaurant and grease trap plumbing
  • Multi-family and property management service
  • Backflow testing and compliance
  • Tenant build-outs and remodels
  • Preventive maintenance agreements

Why choose MJA Plumbing and Heating for commercial plumbing

We answer 24/7

A real person picks up day or night, and an emergency plumber is dispatched immediately.

Upfront pricing

You get the price in writing before we start. No surprises on the invoice.

Fully stocked trucks

Most repairs finish on the first visit because the parts are already on the truck.

Local New Hampshire team

Our plumbers live and work in the communities we serve and know the local water and winters.

Clean work

Shoe covers, drop cloths and a tidy job site every time.

Guaranteed workmanship

If a repair we made fails, we come back and make it right.

Plumber's tip

Ask about a maintenance agreement with priority dispatch for your business.

Commercial Plumbing near you — every New Hampshire town

We provide commercial plumbing in all 259 New Hampshire cities and towns. Popular areas:

See all service areas

Reviews

★★★★★

“Sump pump died during a storm. They replaced it and added battery backup the same afternoon.”

Pete S.
★★★★★

“Booked a plumbing inspection before we bought our house. Report was thorough and saved us a big negotiation.”

Jen K.
★★★★★

“Our basement flooded at 2 a.m. and MJA had a plumber at the house within the hour. Pipe was fixed before breakfast.”

Karen M.

Frequently asked questions

How fast can you get a plumber to me for commercial plumbing?

We dispatch 24/7 across New Hampshire and offer same-day service for most calls. Emergencies are prioritized and typically reached within the hour in most towns.

How much does commercial plumbing cost?

Every job is quoted upfront before work begins. Pricing depends on the specific problem and parts required, and we never charge overtime for nights or weekends.

Do you offer a guarantee on commercial plumbing?

Yes. Our workmanship is guaranteed. If something we repaired or installed fails, we return and make it right.

Need a plumber now?

Emergency plumbers on call 24 hours a day across New Hampshire. Upfront pricing, same-day service.

(888) 480-9811
📞 Call (888) 480-9811 — 24/7