A small plumbing leak might not look like a big deal — until it quietly adds hundreds to your water bill or causes serious damage behind your walls.
Hidden leaks are one of the most common (and most expensive) problems homeowners face. The tricky part? You usually don’t see them until the damage is already done.
At A Master Plumber, we find hidden leaks every day using professional detection tools — and most customers say the same thing:
“I wish we had caught this sooner.”
Here’s how you can.
1. Your Water Bill Suddenly Jumps
If your usage habits haven’t changed but your bill has climbed, something is likely running when it shouldn’t be.
Hidden leaks can waste:
- Hundreds of liters per day
- Thousands per month
Even a small pipe crack can quietly cost you serious money.
Quick check:
Turn off all faucets and appliances.
Look at your water meter.
If it’s still moving → you probably have a leak.
2. Damp Walls, Floors, or Musty Smells
Water trapped behind drywall or under flooring creates:
- Soft or bubbling paint
- Warped floors
- Mold smells
- Stains or discoloration
If a room smells musty but looks dry, moisture may be hiding inside the wall.
Ignoring this can lead to mold growth and structural damage.
3. Low Water Pressure
When pressure drops unexpectedly, water may be escaping somewhere before it reaches your faucet.
Common causes:
- Underground pipe leaks
- Slab leaks
- Damaged supply lines
If only one fixture is weak, it’s local.
If the whole house is weak, it’s likely a hidden leak.
4. You Hear Water Running When Nothing’s On
Ever hear faint running water at night?
That’s not normal.
Listen for:
- Hissing in walls
- Dripping sounds
- Running water with all taps off
These sounds often mean a pipe is leaking behind the scenes.
5. Foundation Cracks or Wet Spots Outside
Outdoor leaks are harder to spot but more dangerous.
Watch for:
- Puddles near the house
- Constantly wet soil
- Sinkholes forming
- Foundation cracks
These usually indicate a broken underground or main water line.
Why DIY Fixes Don’t Work for Hidden Leaks
Store-bought sealants or guesswork repairs rarely solve the real problem.
Professional plumbers use:
- Acoustic listening devices
- Thermal imaging
- Pressure testing
- Camera inspections
This lets us find the exact location without tearing up your home.
Don’t Wait — Small Leaks Become Big Repairs
A hidden leak today can become:
- Mold remediation
- Flooring replacement
- Wall demolition
- Foundation repairs
Fixing it early costs a fraction of the price.
Need Leak Detection Fast?
If you notice any of these signs, it’s best to get it checked right away.
A Master Plumber provides:
- Same-day service
- Advanced leak detection technology
- Residential & commercial repairs
- Free phone estimates
📞 Call now and stop the damage before it spreads.