Seasonal

Seasonal home slab leaks in Florida: the leak nobody hears

When a Florida home is closed up for the season, a slab leak can run for weeks with nobody there to notice. This page is for seasonal owners, property managers and neighbors: the pattern, what to do about it and how it is dealt with.

Last updated November 2026. General information, not an inspection of your home.

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The problem: a leak nobody is home to hear

A slab leak can start on any day of the year. In a home that is lived in, there is usually someone who will notice a warm patch of floor, a change in water pressure or a damp edge on the baseboard. In a seasonal home, that someone may be a thousand miles away, and the leak keeps running while the house is closed up.

Florida has a large population of seasonal and second-home owners, and the pattern is familiar to property managers. A leak starts in the first weeks of absence. Nobody sees or hears it. The water goes into the slab and the soil below. The first sign arrives weeks later as an unusually high water bill, a neighbor's message or a damp floor on return.

How it usually shows up

It rarely announces itself. The most common route is the bill: a statement for a month when nobody was home that looks like a month with guests. The next is a person: a neighbor who saw water at the garage door, a manager on a routine check who found a damp room, or an owner arriving to a smell of dampness.

Other signs appear only when someone is present: a floor that feels warm in one spot, tile that has lifted at a corner, a faint hiss when the house is quiet. If you spot any of these on arrival, do the meter check before settling in.

If it moves with everything off, it is worth a call.

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Why seasonal homes are exposed

A lived-in house has regular water use that makes a leak stand out against normal patterns: a bill that doubles is obvious. A closed home has almost no use, so any flow is a leak, but nobody is looking at it. Pressure sits on the lines around the clock, and the water heater may keep its tank hot even when nobody uses it.

Many Florida seasonal homes are older slab houses or condos with copper supply lines, and age gives a leak more chances to start. Sandy soil and a high water table carry water away from the slab quietly, so the home looks dry from the outside. See why Florida leaks hide.

What helps while you're away

The most effective measures are simple ones. A person who looks in on the house on a regular schedule. A manager or neighbor who knows where the main shutoff is and has permission to close it. A habit of checking the water bill when it arrives and comparing it to the same month in other years. A meter reading when you leave and another when you return.

Owners who close the main shutoff when they leave remove the risk of a pressurized line leaking for weeks, though some prefer to leave water on for reasons of their own. The before-you-leave checklist sets out the full routine step by step.

Owners, managers and neighbors are welcome to call.

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If you suspect a leak from a distance

Call us and describe what you know. If a neighbor or manager is on site and it is safe for them to do so, they can turn off the main and read the meter. Ask them to keep clear of any wet area and not to touch electrical items in or near water.

Please do not ask anyone to break floors, cut pipe or test the plumbing. The technician handles those. If the home has a pool or irrigation, mention it, because those systems can mimic a slab leak and the technician will check them as part of the visit.

AwayIf you get the call
  1. Ask the person on site to close the main. Only if it is safe and the shutoff is easy to reach.

  2. Ask for the meter reading and a photo. A photo of the meter with everything off is useful to the technician.

  3. Call and give access details. The manager or neighbor who will let the technician in, and when.

  4. Keep the shutoff closed until the visit. The technician can explain what is practical for the rest of your stay or absence.

How a technician finds it in a closed-up home

The sequence is the same as in any home: isolate the lines, pressure test, listen across the floor and image where it helps. In an unoccupied house this is easier in some ways, because it is quiet and no fixtures are in use. The technician can run the tests without having to ask anyone to stop what they are doing.

They will want to know when the home was last occupied, when the bill began to rise, and whether there is a pool or irrigation on the property. This helps them separate a slab leak from other sources of the same symptom. Details are on how slab leaks are found.

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Repair options for seasonal owners

The options are the ones any owner would be offered: spot repair through the slab, a reroute above the slab, lining where suitable, or repiping where several lines are affected. What differs for a seasonal home is the practical side. How long will you be away? Who will meet the technician? Will the floor be finished before you leave again?

Owners often value a reroute or a repair they can have completed while they are in residence. The technician can talk through timing, and your manager can be given the technician's details. Upfront pricing and no hidden fees apply the same way remotely as on site.

After the repair, and the routine afterwards

The lines are pressure tested to confirm the repair holds. Wet floors and walls need drying and cleanup, which restoration companies handle.

Many owners use the occasion to set up a regular check, and to take a reading at the meter at the start and end of every absence. A small habit keeps the next leak from running for weeks.

Related pages

Common questions

How long can a slab leak run in an empty house?

It can run for as long as water pressure is on the lines, which in a closed home can be weeks or months. Nothing in the house shows it, because there is no one to hear, feel or see it. The water goes into the slab and soil below.

How would I know if my seasonal home has a leak?

The most common signs are a water bill that is high for a month when nobody was home, a call from a neighbor or manager, or a damp or warm floor on return. A meter that moves with every fixture off is the clearest check.

Should I turn the water off when I leave?

Closing the main stops pressure on the lines, so a leak cannot run while you are away. Some owners leave it on for appliances or irrigation. Ask the technician or your manager what suits your home. The checklist page sets out the routine.

Can my neighbor or manager do anything useful?

Yes. They can look in on the home regularly, know where the main shutoff is, read the meter and call you or us if they see water or a damp floor. Give them clear permission to close the main if it is safe.

What should I do the moment I arrive?

Before unpacking, check the meter with everything off, walk through the home feeling for warm or damp patches and listen for running water. If anything seems off, close the main if it is safe and call.

Does a high bill always mean a slab leak?

No. Irrigation, a pool filling or topping up and fixtures that run on can raise a bill too. A technician checks these as part of the visit, so you do not open a floor for something outside the house.

Can the repair be done while I'm away?

Often yes, if someone can give the technician access. Timing depends on the option chosen and the parts. Tell the dispatcher when you will be away and who can meet the technician, and they will explain what is realistic.

What if I'm a manager and not the owner?

Call us and tell us what you have found and the owner's contact. We can explain what the technician will do and what to expect. Decisions about repair are the owner's, and the technician will take direction from them.

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