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Slab Leak Detection & Repair in New Hampshire

Warm spots, high bills and cracked floors are slab leak signs. We locate and repair them. Available 24/7 in every NH city and town.

(888) 480-9811

Homes built on a slab have water pipes under the concrete. A slab leak shows up as a warm floor, the sound of running water, cracked flooring or a rising bill. MJA Plumbing and Heating locates slab leaks without guesswork and repairs by spot access or by rerouting the line.

What our slab leak detection & repair service includes

  • Slab leak location
  • Spot repair through the slab
  • Pipe rerouting above the slab
  • Pressure testing
  • Foundation moisture assessment

Why choose MJA Plumbing and Heating for slab leak detection & repair

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

Rerouting is often cheaper and less disruptive than breaking concrete — we will quote both.

Slab Leak Detection & Repair near you — every New Hampshire town

We provide slab leak detection & repair in all 259 New Hampshire cities and towns. Popular areas:

See all service areas

Reviews

★★★★★

“Tankless install was clean and the tech walked me through the settings. Hot water never runs out now.”

Marcus J.
★★★★★

“Honest guys. Told me my toilet only needed a $20 part instead of pushing a replacement.”

Beth W.
★★★★★

“Frozen pipe in January — they thawed it carefully, no damage, and added insulation so it won't happen again.”

Ray C.

Frequently asked questions

How fast can you get a plumber to me for slab leak detection & repair?

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 slab leak detection & repair 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 slab leak detection & repair?

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