Leak detection and repair in Auburn Hills, MI

A hidden leak in an Auburn Hills home rarely announces itself. It shows up as a water bill creeping upward, a meter that moves with every tap closed, a warm spot on a floor, or a stain spreading across a ceiling. Finding it precisely, before any drywall comes open, is the whole point of leak detection, so the repair is a small patch and not an exploratory dig.

In a city of 1980s and 1990s homes, the usual hidden leaks are copper pinholes and weeping polybutylene fittings. Here is how we track one down and fix it.

The signs of a leak you cannot see

A hidden leak gives itself away indirectly. The clearest test is the meter: with every fixture off, a dial that still creeps means water is escaping somewhere between the meter and the taps. Other signs are a water bill that climbed with no change in use, a musty smell in a closet or basement, a warm patch on a slab floor from a hot line, paint or drywall that bubbles, and the faint sound of running water in a quiet house. Any one of these is worth tracing before it does slow, expensive damage behind a finish.

Finding the leak without opening every wall

Pinpointing comes before cutting. We isolate sections to narrow where the loss is, then listen with acoustic equipment that hears water escaping a pressurized line through drywall or concrete. A moisture meter maps how far the dampness has spread so we read back to the source rather than the symptom, since water travels along framing before it stains. For a line under a slab, that acoustic and pressure work locates the spot within a small area, so the floor is opened once, in the right place.

Slab and under-floor leaks in newer homes

Some Auburn Hills homes and many condos have supply lines run under a slab or in a floor, where a leak is both hidden and slow to show. A warm floor, an unexplained bill, or the sound of water with everything off points there. Once located, the fix is usually one of two: open and repair the spot, or, when the line is poly or old copper that will keep failing, reroute that run overhead to abandon the bad pipe in place. We lay out both so the repair matches how likely the rest of the line is to leak again.

What the repair looks like once we find it

With the leak located, the repair is sized to the cause. A copper pinhole is cut out and a sound section goes in. A weeping polybutylene fitting is removed and the line transitioned to PEX or copper, because a new crimp on old poly beside one that already failed is borrowed time. A loose or corroded joint is remade. The opening in the wall or ceiling is kept to what reaches the repair, and we check the nearby fittings while we are in there, since a pinhole or a poly failure rarely travels alone.

Catching the slow leak before it costs more

The reason to chase a small leak is what it becomes. Water behind a finish feeds mold, rots subfloor and framing, and quietly runs the bill up for months. A pinhole that drips a drop a minute is cheap to fix now and expensive to ignore. When we find that the leak is a symptom of pipe that is failing throughout, like a home full of aging polybutylene, we say so and point to whole-home repiping or polybutylene replacement rather than sending you back to patch the same line next season.

Last updated October 28, 2026