To find a hidden water leak in a wall or ceiling, look for moisture clues, confirm water flow with a simple meter test, and isolate the source step by step. Most interior leaks come from pressurized plumbing lines; roof or AC condensate can also wet ceilings but won’t make the water meter spin. In the Rotonda West area, we often see hot-water pinhole leaks show as a faintly warm stripe on drywall before staining appears.
Try these quick checks:
- Watch your water meter; if the main is on and no fixtures run, a moving leak indicator suggests a hidden pressurized leak.
- Press an ear to the wall with a metal cup; a steady hiss can mark the pipe path.
- Scan for temperature differences; a warm patch often signals a hot-line seep.
- Shut off individual fixtures or the water heater to see when meter movement stops.
If the ceiling bulges or water is active, shut off the main and power to the wet area and call a licensed pro.
Updated: 2026-07-02
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