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Under the slab

Slab leak detection under concrete, without tearing up your floors

A leak under your slab can be right in the middle of your living room. We pinpoint it from above so only the smallest possible area is opened for repair.

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Short answer: A slab leak is a leak in a water line running under a concrete foundation. Common signs are a sudden high water bill, a warm spot on the floor or the sound of running water. Leak Seekers locates slab leaks precisely, so repairs don't require breaking up large sections of floor.

Signs of a slab leak

  • A sudden, unexplained jump in your water bill
  • Your meter keeps moving with all water turned off
  • Warm or hot spots on tile or concrete floors
  • The sound of running water under the floor
  • Damp carpet, warped wood flooring or new cracks in tile

How we find slab leaks

Our equipment can locate a leak even when it's under the concrete slab of your home or business. Depending on the situation, that can include acoustic listening equipment that hears water escaping a pressurized line, thermal imaging that shows temperature changes caused by moisture, moisture meters, line tracing to map where pipes run, and pressure testing to isolate which line is losing water.

We mark the location on the floor so your plumber knows exactly where to access the line.

What happens next

Once the leak is pinpointed, your plumber can decide on the best repair for your situation. Because the location is precise, any access hole in the floor stays as small as possible.

Last reviewed October 2026 by the Leak Seekers team.

How it works

From "something's wrong" to "here's the leak"

  1. Call your local team

    Tell us what you are seeing: a high water bill, a running meter, a damp spot or a pool losing water.

  2. We come to you

    Same-day service in most cases. A trained technician arrives with professional detection equipment.

  3. We pinpoint the leak

    Using non-invasive methods, we narrow down and mark the exact leak location, usually within a few hours.

  4. You get a clear answer

    We explain what we found so your plumber, pool company or contractor can make a targeted repair.

Questions

Slab leak questions

What causes slab leaks?

Slab leaks can be caused by aging or corroded pipes, shifting soil, abrasion where pipes rub against concrete or gravel, and water pressure problems.

Is a warm spot on my floor a slab leak?

It can be. A warm spot often points to a leak in a hot-water line under the slab. Have it checked before it causes more damage.

Can you find a slab leak without breaking the floor?

Yes. We locate slab leaks from above using non-invasive equipment. Only the small area needed for repair is opened, and that is done by your plumber.

Local teams

Three local teams, owned & operated by veterans

Call the team closest to your property. Each location is owned and operated by a local veteran who lives, works and plays in the community it serves.

Every hour a leak runs, it does more damage.

Talk to a leak detection specialist today. Free information, no obligation.

St. Augustine, FL904-599-7474Savannah, GA912-712-6622Charleston, SC843-865-0085
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