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Slab leak repair in Tampa

Most Tampa homes sit on concrete. That changes everything about a supply leak underneath one.

4.7 out of 5 from 1,179 Google reviews

Concrete patio broken open to expose a repaired drain line joined with a new PVC section and coupling
Concrete comes up, line gets fixed, concrete goes back. Nobody enjoys the first part.

A slab leak is a failure in a water supply line running beneath the concrete slab the house sits on. It matters as a separate category because the water has nowhere visible to go. It tracks sideways through the fill under the slab, sometimes for weeks, before anything shows on the surface.

By the time most people notice, it has been running a while. That's not carelessness, it's the nature of the problem.

The meter test. Turn off every fixture and appliance that uses water, then watch the meter. Movement means water is escaping somewhere. It costs nothing and it's the most useful single fact you can give us.

How a slab leak announces itself

  • A warm or hot patch on the floor. The clearest sign there is, and it means the hot line.
  • The sound of running water with everything turned off.
  • A water bill that jumped with no change in household use.
  • Pressure down throughout the house.
  • Damp carpet, lifting tiles or blistering paint at floor level.
  • A musty smell in one part of the house.
  • New cracks in floors or walls, in longer running cases where soil has been washed out.

Finding it without demolition

The expensive way to find a slab leak is to break concrete where you think it might be. We don't do that.

  1. Confirm and isolate. Establish it's a supply leak rather than drainage or irrigation, and pressure test to bound it.
  2. Acoustic location. Water escaping under pressure makes a distinctive sound that specialist equipment tracks through the slab.
  3. Thermal imaging, especially effective on hot lines because the escaping water warms the concrete above it.
  4. Mark the location and talk through options before anything is opened.

Three ways to fix it

ApproachWhen it fitsTrade off
Open and repairSingle leak, sound pipe, accessible spotBreaks concrete and finishes, but repairs the original run
RerouteMost slab leaks, especially under finished areasAbandons the failed run, no concrete work, pipe runs overhead
RepipeMultiple leaks, or poly B throughoutLargest job, ends the recurring problem

Rerouting is often the sensible answer and it surprises people, because it feels like abandoning something. But opening a slab under a tiled kitchen to repair six inches of pipe, then putting the floor back, frequently costs more than running a new line through the attic and capping the old one.

When one leak means more are coming

A single failure caused by physical damage is bad luck. A failure caused by the age and material of the system is a preview. If the house has polybutylene, which is common in Tampa homes built between roughly 1978 and 1995, a slab leak is often the first of several, and the arithmetic shifts toward repiping rather than repeated repairs.

We'll tell you which of those situations you're in. Repairing one leak at a time on a system that's failing is the most expensive way to arrive at a repipe.

Why Tampa gets these

Slab construction dominates here, so there's simply more pipe under concrete than in regions that build over crawlspaces. Add a high water table that masks surface evidence, soil that moves with the seasons, and a large stock of homes with poly-B supply lines from the 1978 to 1995 window, and the result is that slab leaks are routine work in this city rather than an unusual event.

Why homeowners call us

Three reasons, with the evidence

2

Rerouting instead of breaking your floor

Opening a slab under a tiled kitchen to repair a short length of pipe, then putting the floor back, frequently costs more than running a new line overhead and capping the old one. We price both where both work, because the obvious repair is not always the cheaper one.

1978

We tell you when one leak means more

A failure caused by a nail is bad luck. A failure caused by polybutylene installed between roughly 1978 and 1995 is a preview of the next two. Repairing one at a time on a system that is failing is the most expensive route to a repipe, and we say so early.

1,179

Reviewed on urgent, invisible work

Slab leaks are found with equipment, fixed under concrete and judged entirely on trust. Our 4.7 out of 5 from 1,179 Google reviews is the part of that you can verify without taking our word for anything.

Reviews

What Tampa customers say

4.7 out of 5 across 1,179 Google reviews. These are real reviews from our Google Business Profile.

★★★★★

We had to replace our main water line on rather quick notice, which was no easy feat with a 300 plus stretch of various tree roots, sprinkler lines, and pool lines in the way. Tampa Bay Plumbers, Mike Benson and crew did a fantastic job of avoiding breaking all obstacles and laying a new line quickly and professionally.
Gina ShannonGoogle review, main water line replacement

★★★★★

Denis and Roland were a pleasure to work with. We had a detailed plan and restrictions we needed to work within for our project. They were able to complete everything that was asked of them, in a timely manner and at a great price! Definitely would recommend for your plumbing needs.
Kyle ScannellGoogle review, planned plumbing project

★★★★★

I had my house re-plumbed and Dunieski Rodriguez and his team did a great job! They were very professional and hard working. I would definitely recommend Tampa Bay Plumbers and that team to anyone.
Victoria D. KarrGoogle review, whole house repipe
Questions

Frequently asked questions

What is a slab leak?

A leak in a water supply line running under the concrete slab the house is built on. It's common in Tampa because most homes here are slab built rather than over a crawlspace.

How do I know if I have one?

A warm patch on the floor is the clearest sign and points to the hot line. Others are an unexplained bill increase, running water audible with everything off, falling pressure, and damp or musty smells at floor level. Check your meter with everything turned off.

Do you have to break the floor?

Often not. Rerouting the failed run overhead and capping the old line avoids concrete work entirely, and on finished floors it's frequently cheaper than opening up and restoring. We price both where both are viable.

Will it get worse if I leave it?

Yes. Water running under a slab washes out soil, which can create voids and lead to movement and cracking. It also runs up your bill the entire time. This is not a problem that stabilises.

Does insurance cover slab leaks?

Policies commonly treat the resulting damage differently from the pipe repair itself, and terms vary a lot. Check directly with your insurer. We'll document what we find and what we did, which is what a claim needs.

Warm spot on the floor? Call

Check your meter with everything turned off first. If it's still moving, tell us when you call.

(727) 626-0889

Open 24 hours, 7 days, 365 days a year

Sources and references

  1. US Environmental Protection Agency. WaterSense: fix a leak week and household leak statistics

Figures above are cited as published by their source. Opens in a new tab.

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