Most homeowners don’t find out they have a slab leak until something forces them to look. A water bill that doubled for no reason. A warm patch on the tile floor. A hissing sound in a room with no running water.
By that point, the leak has usually been running for a while.
Here’s what you need to know: how slab leaks happen in Fort Lauderdale, how they’re found, and what comes next.
Why Fort Lauderdale Homes Get Them
It comes down to a few things working together.
A lot of homes here – anything built between the 1950s and 1980s – have copper pipes running beneath the concrete slab. Copper was the standard back then. Durable, but not invincible. And in South Florida’s environment, it takes a particular beating.
Hard water is the main culprit. Broward County’s water supply carries high levels of calcium and magnesium. Over decades those minerals react with copper and slowly eat through the pipe wall from the inside. It’s called pitting corrosion. It happens quietly over years before the pipe finally gives.
Then there’s the soil. Fort Lauderdale’s sandy ground shifts more than people expect — especially after heavy rain or a dry stretch. That movement puts stress on pipes that are already weakened. A pipe that’s been corroding for 30 years doesn’t need much to crack.
Older neighborhoods like Riverside Park, Coral Ridge, and areas around Wilton Manors see this regularly. If your home is 30 or 40 years old and the original pipes have never been touched – it’s worth being aware.
Signs You Might Have One
Some of these are obvious. Some aren’t.
Higher water bill with no explanation. Usually the first sign – and the most ignored. If your bill jumped and nothing changed about your usage, water is going somewhere. A slab leak runs continuously whether you’re home or not.
Sound of running water when everything is off. Turn off every fixture in the house. Nothing running. If you can still hear what sounds like water moving somewhere – that’s worth taking seriously.
Cracks in walls or flooring. Water saturating the ground under your foundation causes the slab to shift. That movement shows up as cracks – in the floor, in baseboards, sometimes in walls. New cracks in a home that’s been stable are a red flag.
Damp or wet flooring. Soft spots in carpet, tiles that feel wet underneath, warped wood flooring – water is coming from below.
Soggy yard patches near the foundation. Water finding its way out from under the slab sometimes surfaces close to the house. Soggy ground that doesn’t dry out after rain – worth paying attention to.
Two or more of these together – don’t wait. The longer water sits under a foundation, the more expensive the situation gets.
How Detection Actually Works
Good news – modern detection doesn’t require tearing up your floor to find the problem.
A slab leak specialist uses a combination of tools to locate the leak precisely before anything gets opened up.
Electronic listening equipment picks up the sound of water escaping under pressure through the pipe. Sensitive enough to pinpoint the location through several inches of concrete.
Thermal imaging detects temperature differences across the floor surface. The warm patches caused by a leaking hot water line show up clearly on a thermal camera – even when they’re not obvious to the touch.
Pressure testing isolates sections of the plumbing and checks whether pressure holds. A drop confirms a leak exists and helps narrow down which line it’s in.
Together these tools let a plumber locate an under slab leak in Fort Lauderdale without guessing – and without unnecessary demolition. The goal is to know exactly where the problem is before deciding how to fix it.
For a proper assessment, our (company’s page) has more on how we approach these calls.
What Repair Actually Involves
Once the leak is located, there are a few ways to fix it depending on where it is, how bad the damage is, and what the rest of the pipe looks like.
Direct access repair. A section of the slab is opened, the damaged pipe is repaired or replaced, concrete is patched. More disruptive – but sometimes the right call for an isolated problem in an accessible spot.
Pipe rerouting. Instead of going through the slab, a new pipe is run through the walls or ceiling to bypass the damaged section entirely. Avoids cutting into the foundation – often a cleaner solution when the leak is in a difficult location.
Epoxy pipe lining. A resin liner is pushed through the existing pipe and cured in place – essentially a new pipe inside the old one. No excavation needed. Works well when the pipe structure is still reasonably intact.
Full repiping. If the inspection reveals that copper pipes throughout the home are in poor shape – common in Fort Lauderdale homes from that era – it sometimes makes more sense to repipe the whole house rather than fix one leak and wait for the next. A slab leak repair done in isolation on old pipes often leads to another call six months later.
Which approach makes sense depends entirely on what the inspection shows. Our (company’s page) covers how we handle each of these situations.
What It Costs
There’s no single number. Here’s how to think about it.
Detection – running the equipment, locating the leak, giving you a clear picture – is a separate step from repair. It’s money well spent because it determines everything that comes after.
Repair cost depends on the method. Direct access for a single isolated leak is less involved than a full repipe. Pipe rerouting falls somewhere in the middle. The scope doesn’t become clear until detection is done.
What drives the cost up is waiting. A slow leak running for months has usually done more damage to the surrounding concrete and soil — sometimes to the structure above it – than one caught early. The detection cost is the same either way. The repair cost is not.
Transparent pricing before any work starts is what you should expect. No surprise charges when the job is done.
Questions People Ask About Slab Leaks
How is a slab leak detected without tearing up the floor?
Electronic listening equipment and thermal imaging locate the leak precisely through the concrete – no guessing, no unnecessary demolition. A slab leak specialist runs these tools and gives you an exact location before anything gets opened up.
How much does slab leak repair cost in Fort Lauderdale?
Depends on the method – direct access, rerouting, or repiping – and how much damage the leak has caused. Detection is a separate cost from repair. Getting the detection done first gives you a real number, not a guess over the phone.
Does a high water bill always mean a slab leak?
Not always. A running toilet or dripping outdoor faucet can spike a bill too. But if you’ve checked those and the bill is still high – or you’re seeing warm floors or running water sounds – a slab leak is worth ruling out.
Will homeowners insurance cover a slab leak in Florida?
Sometimes, it depends on the cause and your specific policy. Sudden and accidental damage is more likely to be covered than gradual deterioration. Pull out your policy or call your agent before assuming either way. Worth a five-minute check.
Think You Might Have One? Get It Checked.
Slab leaks don’t stay small. A slow leak under a foundation keeps moving water, keeps saturating soil, and keeps putting stress on everything above it. The earlier it’s caught – the simpler the fix usually is.
If you’re seeing any of the signs above – or something just feels off and you can’t explain it – we’re happy to come take a look. We run the detection, tell you exactly where the problem is, and give you a clear picture before any work starts. No obligation on the spot. Just a straight answer.
Serving Fort Lauderdale, Hollywood, and all of Broward County.
Call us: +1 954 775 8545
Or visit our home plumbing repairs to get in touch.