Signs of a hidden leak
A water bill that jumps for no reason
Stains or soft spots on walls and ceilings
Water under sinks or around the water heater
The sound of running water when everything's off
Warm spots on the floor or a musty smell
Water travels before it shows up, so the wet spot isn't always where the leak is. That's why we find the source first.
How we find it
We start with the usual suspects — running toilets, hose bibs and fixture connections. Then we use your water meter and shut off parts of the system one at a time to narrow down where water is escaping, and inspect the plumbing in your crawl space. Suspected slab leaks may need specialized acoustic detection, which we'll quote separately before doing anything.
Leak right now? Do this.
Turn off the water
Close the valve under the fixture or your main shutoff, if you can reach it safely.
Stay clear of electrical
Keep away from water near outlets or appliances, and don't go under a sagging ceiling.
Call (803) 781-4357
Emergency service is available 24/7. No need to open walls or pull up flooring first.
The right fix — not a whole-house repipe
One leak rarely means your whole house needs new pipes. Most leaks come down to a failed connection or fixture that can be repaired on the spot. If you've had several leaks over the years, your plumber will talk you through whether a bigger repair makes sense — honestly, and with a price for each option.
Family-owned since 2011, licensed in South Carolina (Mechanical License CLM.111515 MC) and rated 4.9 stars from 298 Google reviews.
What our
customers say.
“Pat came out incredibly fast this morning, identified the origin of the leak and corrected it. Without his help and expertise, the damage could have been far worse.”
“I could not be more pleased with the service I received from Bobby at ON Call Plumbing. This is the 2nd time he has come to my house to repair a leak. I specifically requested him the second time because he is prompt,...”
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“I could not be more pleased with the service I received from Bobby at ON Call Plumbing. This is the 2nd time he has come to my house to repair a leak. I specifically requested him the second time because he is prompt, professional, courteous and friendly and he does excellent work. He quickly accesses the problem, explains what the job will entail and then makes the necessary repairs. I highly recommend Bobby and On Call Plumbing.”
“Replaced hot water heater and replaced leaking pipe he was cordial he was fast and pleasant. Definitely would have him come again. This is my second time”
A few common questions.
Will you have to tear open my walls or floors?
Not always, but we work to keep any opening small. We narrow down the source first, so if we do need to open a wall or floor, it's in the right spot — and your plumber will explain exactly where and why before starting.
My water bill jumped. Do I have a hidden leak?
It might. Running toilets and dripping hose bibs are common culprits, but a sudden jump with no obvious cause is worth checking. We'll test your meter to see whether water is escaping somewhere.
Can you fix the leak the same day you find it?
Yes, when the leak is in an accessible spot and the parts are on hand. If more work is needed, your plumber will explain the next step and the price before starting.
How much does leak detection cost?
Our residential diagnostic fee is $89, waived when you go ahead with the repair at the quoted price. You'll get a firm price before any work begins. Pay on site by cash, check or card, or ask your plumber about financing.
