Leak Detection in Largo, FL

A leak in Largo rarely announces itself. Because almost every house here sits on a concrete slab at barely three feet above sea level, the supply lines run under the floor rather than through a basement you can walk into. So the first sign is usually indirect: a water bill that climbs for no reason, a warm patch on a tile floor, the sound of water moving when every tap is closed, or a meter dial that keeps turning overnight.

Finding that leak without tearing up the house is the whole job. We use acoustic listening gear, pressure testing and thermal reading to narrow a leak down to a small area of slab or wall before anything gets opened up. On a home served by metered Pinellas County water, catching it early is the difference between a fitting repair and a floor.

How a hidden leak shows up here

The tells are consistent across mid Pinellas. A steady rise in usage on a bill that has otherwise been flat is the most common. Others include a spot on the slab that stays warm because a hot line is weeping under it, a faint hiss or trickle inside a wall, unexplained damp at the base of a cabinet, or mildew and a musty smell that returns no matter how often you clean it. In the Gulf humidity, that last one moves fast.

The single best home check costs nothing. Turn off every fixture and appliance that uses water, then look at the meter. If the low flow indicator is still moving, water is leaving the system somewhere between the meter and a fixture. That is the point to call rather than guess.

Finding it without opening the whole floor

Locating a slab leak is a process of elimination, not luck. We isolate the hot and cold sides, pressure test each, and use electronic acoustic equipment to hear water escaping under the concrete. Where a line is buried in a wall or ceiling, a thermal camera often shows the temperature difference before we ever cut. The goal is a repair the size of a dinner plate, not a trench across the living room.

What we find decides the fix. A single failed spot under the slab can often be reached with a small access cut, while a supply line that keeps springing pinholes is usually telling you the whole run is near the end of its life. When it is the latter, an honest conversation about slab leak repair or a full repipe saves you paying twice.

What a delayed find actually costs

The pattern holds across the older slabs in central Largo and the newer subdivisions on the north and east sides alike. A ceiling stain, on the other hand, points upward rather than down, and that overlaps with supply and drain leak repair above the living space.

Common questions