
A water bill that doubled overnight, no puddle anywhere in sight, and a warm patch on the kitchen floor that shouldn't have been there. Here's how we found the leak hiding under the slab — and fixed it through one small opening instead of a demolished floor.
The call started with a mystery. A homeowner in Bloomington had just opened a water bill that was nearly double the usual amount — but nothing in the house looked wrong. No dripping faucets, no puddles, no water stains on the ceilings. Just a bill that made no sense and a nagging worry that something, somewhere, was leaking.
We started with the simplest diagnostic there is, right over the phone: the meter test. We asked the homeowner to turn off every water fixture in the house and watch the water meter. It was still creeping. That confirmed the important part — this wasn't a billing error. Water was escaping somewhere between the meter and the fixtures, and it was running around the clock.
When our technician arrived, one more clue stood out: a section of the kitchen floor felt faintly warm underfoot. That's a classic sign of a slab leak — a leak in one of the water lines running through the concrete foundation slab beneath the house — and the warmth pointed specifically to the hot-water line. The old way to chase a leak like this was brutal: start breaking up the floor and hope you guessed right. We don't work that way.
Instead, we isolated the hot-water system to confirm where the pressure was dropping, then used acoustic listening equipment and thermal readings to trace the sound and heat of the escaping water to a single spot. Within about an hour, we had it pinpointed — a pinhole leak in the under-slab copper hot-water line, marked to within a small area of that warm patch on the floor.
We showed the homeowner exactly what we'd found, explained the two repair options with clear prices for each, and let them decide. They gave us the go-ahead to fix it that same visit.
"I was bracing myself for them to jackhammer my whole kitchen floor. Instead they found the exact spot in about an hour and fixed it through one little opening. They told me the price before they started, and my next water bill was back to normal. I still can't believe how simple they made it look." — Homeowner, Bloomington, MN
The homeowner went from a doubled water bill and a leak they couldn't even find to a fully repaired system in a single visit — with a floor that's almost entirely intact. The meter stopped moving, the next bill dropped back to its normal amount, and the slow damage a hidden leak causes behind the scenes was stopped before it could turn into rot, mold, or a foundation problem. The warm patch that started the whole mystery is gone, too.
That's the real value of proper leak detection: the leak you find early is always cheaper — and far less destructive — than the one you go looking for with a sledgehammer.
A hidden leak almost never announces itself with a puddle. It shows up as a bill that jumped, a meter that won't stop moving, a musty smell, or a warm spot on the floor. If any of that sounds familiar — whether you're in Bloomington, Prior Lake, Eden Prairie, Burnsville, or anywhere in the Twin Cities metro — we can find it without tearing your home apart. Same-day service is available during business hours.