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Leak Detection & Repair

Leaks behind walls, under floors and underground, located with proper equipment so the repair opens up as little of your home as possible.

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  • Answered day or night
  • Upfront pricing
A Keep Smiling plumber at an open vanity cabinet under a bathroom sink
the short version

Leak Detection & Repair in Loganville, GA

Leak detection and repair means pinpointing where water is escaping from your plumbing, often behind walls, under floors, or underground, and fixing it with as little disruption to your home as possible. Keep Smiling Plumbing, Electric, Heating and Cooling has served Loganville since 1985, and finding and fixing leaks is one of the most important plumbing services we provide. Our licensed plumbers use specialized equipment to locate leaks precisely and give you upfront pricing in writing before any repair begins.

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what’s covered

What Is Professional Leak Detection?

Not every leak shows itself as a drip or a puddle. Many start inside walls, beneath floors, or along buried water lines, where they can run for weeks before you notice anything. Professional leak detection uses non-invasive tools to find the source without opening up walls on a guess. Depending on the situation, our plumbers may use acoustic listening equipment to hear water escaping under pressure, thermal imaging to spot temperature changes from moving water, moisture meters to trace dampness through drywall and flooring, and pressure testing to confirm which line is losing water. Pinpointing the exact spot means a smaller, cleaner repair.

Signs You Have a Hidden Water Leak

  • A sudden jump in your water bill without any change in use
  • Your water meter keeps moving when every faucet and appliance is off
  • Damp spots, stains, or bubbling paint on walls or ceilings
  • The sound of running water when nothing is turned on
  • Musty odors or mold growth in cabinets, closets, or corners
  • Warped flooring, loose tiles, or warm spots on the floor
  • Low water pressure throughout the house

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A Keep Smiling plumber working on supply lines under a kitchen sink
what to watch for

Leak Detection and Repair Services We Provide

From a dripping supply line under the sink to a hidden leak in your foundation, our plumbers find the problem and fix it right:

  • Electronic leak detection for hidden leaks in walls, ceilings, and floors
  • Pipe leak repair for copper, PEX, CPVC, and galvanized lines
  • Supply line, shutoff valve, and fixture connection leak repair
  • Slab leak detection and repair
  • Water line leak location and repair between the meter and your home
  • Frozen and burst pipe repair
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in depth

Why Fast Leak Repair Matters

A leak rarely stays small. That faint stain on the ceiling is usually the visible edge of a much wetter problem, and every day it runs, water is soaking into framing, insulation, subfloors, and drywall. Catching it early is the difference between a quick pipe repair and a full restoration project. Acting fast pays off in more ways than one:

  • Less damage to drywall, flooring, cabinets, and the framing behind them
  • A lower chance of mold taking hold in damp, hidden spaces
  • Lower water bills, since even a slow leak can waste thousands of gallons a year
  • Protection for your foundation and structure from long-term moisture
  • A smaller repair bill, because fixing one section of pipe costs far less than replacing what water has ruined
  • Peace of mind that the problem is found and fixed, not just covered up

How We Find Leaks Without Tearing Up Your Home

The goal of leak detection is to make one precise opening instead of several exploratory ones. Here’s what we use and when:

  • Acoustic leak detection: sensitive microphones pick up the sound of pressurized water escaping, even through concrete
  • Thermal imaging: infrared cameras show temperature differences where hot or cold water is leaking behind surfaces
  • Moisture meters: trace how far water has spread through drywall, wood, and flooring
  • Pressure testing: isolates sections of your plumbing to confirm which line is losing water
  • Camera inspection: lets us see inside accessible lines to spot cracks and failing joints

Once we’ve confirmed the location, we’ll show you where the leak is and explain the repair before we cut into anything.

How to Check for a Leak Before You Call

A few simple checks can tell you whether a hidden leak is likely:

  • Turn off every faucet and water-using appliance, then watch your water meter for 15 to 30 minutes; if it moves, water is going somewhere
  • Add a few drops of food coloring to the toilet tank and wait 15 minutes without flushing; color in the bowl means a leaking flapper
  • Look under sinks and behind toilets for damp cabinets, drips, or corroded connections
  • Check around your water heater for pooling water or rust

If water is actively spreading, shut off your main water valve and call us to schedule a repair.

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good to know

Should You Repair the Leak or Repipe?

If your plumbing is in good shape overall and the leak is isolated, such as a single failed joint, a worn valve, or one damaged section of pipe, a targeted repair is the right call. Repiping becomes the smarter option when leaks keep showing up in different places, your home has polybutylene or aging galvanized pipe, or the water is discolored and pressure keeps dropping.

Patching a pipe system that’s failing everywhere usually means paying for one repair after another. If we see signs your plumbing is near the end of its life, we’ll show you what we found and give you pricing for both a repair and repiping so you can choose what makes sense.

a closer look

Common Causes of Leaks in Loganville Homes

Loganville homes face a mix of conditions that are hard on plumbing. Sudden winter cold snaps can freeze pipes in crawl spaces and exterior walls, and Georgia red clay swells and shrinks with the seasons, putting stress on lines under slabs and in the yard. Older homes add aging materials to the mix. Here’s what we find most often:

  • Polybutylene supply lines in homes built from the late 1970s to the mid-1990s
  • Pinhole leaks in older copper pipe
  • Pipes that freeze and crack in crawl spaces, attics, and exterior walls during cold snaps
  • Shifting clay soil stressing water lines and pipes beneath concrete slabs
  • Worn supply lines and shutoff valves under sinks, toilets, and washing machines
  • High water pressure that strains joints and fittings over time

Our Leak Detection and Repair Process

  1. Schedule service online or by phone, and let us know what you’ve noticed so far.
  2. Your plumber checks your water meter, fixtures, and visible plumbing, then uses detection equipment to pinpoint the leak.
  3. We show you the location, explain the cause, and give you written, upfront pricing for the repair.
  4. With your approval, we make a targeted opening and repair or replace the damaged section of pipe.
  5. We restore water, test the repair under pressure, and confirm the meter no longer moves when everything is off.
  6. We clean up the work area and share tips to help prevent future leaks.
Call (770)-273-9090
around the neighborhood

Leak Detection and Repair Across Loganville Neighborhoods

Most leak calls start the same way: a water bill that looks wrong or a stain that wasn’t there last week. We hear from homeowners all over Loganville. In established neighborhoods like Tara Club Estates and Brushy Fork, aging supply lines and older pipe materials are often the culprit. In newer communities, we track down leaks at fittings, fixtures, and connections that loosened over time. Wherever you are in town, we’re close by. Here are some of the neighborhoods we serve:

  • Tara Club Estates
  • Brushy Fork
  • Haynes Creek
  • Independence
  • Windance Lake
  • Bay Creek
Loganville map marking Keep Smiling, Brushy Fork, Independence and Bay Creek
  • Keep Smiling
  • Brushy Fork
  • Independence
  • Bay Creek
Map data © OpenStreetMap contributors

Leak Detection and Repair Costs and Financing

Leak repair costs depend on where the leak is, how hard it is to reach, the type of pipe involved, and whether drywall, flooring, or concrete needs to be opened. Precise detection keeps those openings small, which helps keep the overall cost down. You’ll always get a written price before we begin. For larger repairs or repiping, financing is available through Service Finance and Chowder. Keep Smiling Club members also get 10% off repairs, waived dispatch fees, and an annual plumbing inspection.

Why Choose Keep Smiling for Leak Detection and Repair in Loganville

Keep Smiling Plumbing, Electric, Heating and Cooling began as a small Loganville plumbing company in 1985, and tracking down tough leaks is still core work for our team. Our licensed plumbers work under Georgia Master Plumber License MP210191 and use professional detection tools to find leaks without guesswork. Every technician is drug screened and background checked, and we were named Best of Gwinnett in 2025. We serve homeowners throughout Gwinnett and Walton counties.

questions, answered

Leak Detection and Repair in Loganville FAQs

Signs of a hidden water leak include a sudden high water bill, low water pressure, damp spots, stains, running water sounds, or musty smells. If you suspect a leak, call us for a professional inspection.
Our licensed plumbers handle repairs, maintenance, inspections, water line and leak repair, repiping, gas line services, sump pumps, water filtration, kitchen plumbing, clogged toilets, burst and frozen pipes, slab leaks, and more.
Yes. Frozen pipes can burst and cause major water damage. We offer prompt repair for frozen and burst pipes, so call us right away. If water is flowing, shut off your main valve while you wait.
Repiping replaces old or failing pipes throughout your home. It’s often needed for aging galvanized pipes, polybutylene, frequent leaks, discolored water, or low pressure. We’ll inspect your system and recommend repair or full repiping.
Consider a plumbing inspection if your home is older, you’re buying or selling, dealing with recurring clogs or leaks, or just need peace of mind. It helps catch small issues before they turn into expensive emergencies.
We offer straightforward, upfront pricing with no hidden fees. Your technician diagnoses the issue and provides a clear price before any work begins, so you’ll know the cost upfront with no surprises on your bill.
In limited cases, yes. This includes repairs involving defective materials like polybutylene piping or Federal Pacific panels, root intrusion or improper drain pitch, or clogs from improper items. We’ll always explain what can be corrected for coverage.
We use tools like acoustic listening equipment, thermal imaging cameras, moisture meters, and pressure testing to locate leaks behind walls, under floors, and underground. Once we’ve pinpointed the spot, we only need a small, targeted opening to make the repair.
Shut off the water to the fixture if you can, or turn off your home’s main water valve if the leak is spreading or you can’t find the source. Move valuables away from the water, then schedule a repair as soon as possible to limit damage.
Common signs include warm or damp spots on the floor, cracks in flooring or walls, the sound of running water when everything is off, and a water meter that keeps moving. Slab leaks happen in pipes beneath your concrete foundation and need professional detection to locate.
Yes. A slow drip or a leaking toilet can waste thousands of gallons of water a year and drive up your bill. Hidden leaks can also damage framing, flooring, and drywall and lead to mold, so even small leaks are worth fixing quickly.
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Why people keep calling Keep Smiling.

★★★★★

“The technician was easy to talk with his workmanship was very skillful taking care of the plumbing issues”

Lawrence Small · Google review

Rated 4.9 stars across 4,341+ Google reviews by neighbors across Northeast Atlanta. Reviews shown are representative of Keep Smiling’s Google profile.

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where we roam

Serving Northeast Atlanta, county to county.

10 counties, 54 cities, one crew that works the same way in all of them. A truck from us is a truck from us wherever you are.

  • AlpharettaFulton County
  • BufordGwinnett County
  • DuluthGwinnett County
  • DunwoodyDeKalb County
  • GainesvilleHall County
  • Johns CreekFulton County
  • LawrencevilleGwinnett County
  • LoganvilleGwinnett & Walton County
  • MonroeWalton County
  • Peachtree CornersGwinnett County
  • SnellvilleGwinnett County
  • SuwaneeGwinnett County

…and 42 more across Barrow, DeKalb, Forsyth, Fulton, Gwinnett, Hall, Jackson, Newton, Rockdale and Walton County.

Ten counties across Northeast Atlanta, and if you’re just past the edge of it, call us anyway.
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ready when you are

Stop the Leak Before It Becomes a Bigger Problem

Hidden leaks only get worse with time, but finding them doesn’t have to mean tearing your home apart. Our plumbers will pinpoint the source, explain what’s happening in plain language, and fix it with as little mess as possible. Schedule your leak detection and repair with Keep Smiling today.

(770) 273-9090