Slab Leak Detection in Bexar County

Name: American Leak Detection of San Antonio
Address: 136 Industrial Dr,, Boerne, TX, 78006
Telephone: (830) 549-2461

Residential Plumbing Slab Leak Detection for Bexar County Homeowners

Most homes in Bexar County sit on concrete slabs with hot and cold potable water lines running beneath or within the concrete. When one of those lines fails, the leak is invisible from the surface but actively eroding the ground below your home. American Leak Detection of San Antonio locates the exact source before any concrete is opened, operating under the principle of Leak Detection Without Destruction™. As the original Leak Detection Specialists™, our methods are backed by over 40 years of franchise-wide research and development, giving you a precise, documented target rather than a demolition search zone.

If you’re seeing signs of a slab leak in your Bexar County home, don’t wait for the damage to grow. Call American Leak Detection of San Antonio at (830) 549-2461 to schedule slab leak detection in Bexar County.

Warning Signs of a Slab Leak in Your Home

Slab leaks rarely announce themselves. Most homeowners notice one or two subtle signals before the damage becomes visible. The primary indicator is a water meter that is moving when no water is being used, which points to a leak in the potable water plumbing beneath your slab or in the service line running to your home.

Other signs worth taking seriously:

A pump running continuously without an obvious cause
Unexplained spikes in your monthly water bill with no change in usage habits
The sound of running water when every fixture and appliance is off
Warm or hot spots on the floor, often a signal of a hot water line leak beneath the slab
Damp flooring, wet carpet, or warped floorboards with no visible source
Musty odors or mold growth near baseboards or under carpets
New cracks in walls, ceilings, or the foundation that go beyond minor settling

Homeowners enrolled in SAWS ConnectH2O can monitor hourly water usage data to flag unusual consumption spikes before visible damage appears. Any of the signs above warrants a diagnostic call.

Why Bexar County Homeowners Choose American Leak Detection of San Antonio

Detection is a dedicated diagnostic step, not a byproduct of a repair call. We track the plumbing lines, pressure-test the lines to determine whether there is a leak in the system, determine the location of the water loss, and mark the location, all without breaking concrete or cutting into walls. The result is a comprehensive diagnostic report you can hand directly to your insurance adjuster or repair contractor.

Know Before You Go Pricing
Costs are explained upfront before work begins. No surprises on the invoice after the job is done.

Optional In-House Repair
If you’d prefer a single point of contact, our repair crew can execute the physical fix using the detection data. That’s an optional convenience, not a requirement. You remain free to take the documented findings to any contractor you choose.

Insurer-Preferred Detection
American Leak Detection of San Antonio is preferred by top insurers, which may help support a smoother claims process when you file.

Continuous R&D
Our franchise reinvests a significant portion of royalties back into research and development, so the detection technology and methods used on your property reflect what’s current, not what worked a decade ago.

Our technicians arrive on time, complete the detection within the agreed timeframe, and leave your property clean.

Schedule Slab Leak Detection in Bexar County, TX

Every day a slab leak continues, the necessary repair footprint can grow. A precise location found today may mean a smaller access point and lower repair costs.

Call American Leak Detection of San Antonio at (830) 549-2461 or request a service call online to schedule your slab leak detection in Bexar County, TX.

Why Slab Leaks Are Common in Bexar County

Bexar County soil is classified largely as vertisol clay, an expansive soil type defined by a pronounced shrink-swell cycle. During spring rains, the clay swells, pressing against buried pipes from every direction. During summer droughts, it contracts sharply, causing the ground to settle beneath the slab and pulling support away from rigid lines. That cycle repeats every year.

Most homes in the area are built using slab-on-grade construction, with hot and cold water lines encased within or directly beneath the concrete. Those lines have no buffer from soil movement. When the ground shifts, copper and PVC pipes absorb the stress, and fractures follow. The temperature extremes common to this region compound the problem: winter freezes followed by triple-digit summer heat force pipes in unconditioned spaces to expand and contract continuously, wearing down joints and fittings over time.

A slow slab leak can go unnoticed for weeks while water saturates the soil below the foundation, eroding the material supporting the slab and creating conditions for mold and mildew growth inside the home. Foundation stress accumulates quietly, which is why early detection matters.

How Slab Leak Detection Works

Our process is designed to tell you exactly where the leak is. Detection covers four steps: tracking the plumbing lines, pressure-testing the lines to determine whether there is a leak in the system, determining the location of the water loss, and marking the location. Our technicians use professional moisture meters, thermal imaging cameras, and highly sensitive acoustic listening devices to trace the breach. By pressurizing the lines, we can isolate the specific area of the leak and pinpoint it straight through the concrete without breaking any surface.

What You Receive After Detection

Delivering a precise location rather than a search zone is what separates dedicated slab leak detection from a plumber’s best guess. Pinpointing the location can limit the access point to one spot rather than requiring broad demolition to find the source. The final diagnostic report documents that location so your insurance adjuster or contractor has a factual blueprint to work from, not an estimate.

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See What Our Customers Say

"Customer service at it finest!"
“John called me in advance to brief me on the appointment and let me know exactly when he would arrive. He helped me understand everything he was going to do for testing and why he was doing it. He was polite, intelligent, thoughtful and definitely knowledgeable. I honestly never had a stranger in my house that that I felt so comfortable with. Customer service at it finest in times where it rarely exist. Thank you John!!! Karl Compton”

- Karl
"Highly Recommend"
“Cody, the technician for American Leak Detection, came and fixed our pool leak. He was polite, professional and he was able to find the leak and repair it in about an hour. Great guy. I highly recommend him. 5 Stars! Thank You, W. H. Healy”

- W.H. Healy
"FABIO was fantastic"
“Fabio did a wonderful job with finding our leak in the pool! He was so good about keeping me “filled in” on what he was finding, suspecting to find, and how he would fix it! I guess I would say he helped to make a painful process a little less painful!! Thanks, Fabio!”

- Rita Rector
"Above and Beyond"
“Fabio is amazing! He really took care of our Pool needs. He goes above and beyond!”

- Marriott Hotels

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What American Leak Detection Offers Trained, licensed, and insured professionals—and so much more.

Innovating Since 1974
For 50+ years, we’ve developed tools to make leak detection faster and less disruptive.
Solutions Tailored for You
Learn all your options with pros, cons, and costs before making any decisions.
Preferred by Top Insurers
Pre-approved with top insurers means faster claims and smoother coverage.
Trusted Specialists
Trained specialists who detect leaks in every system, from pools to commercial pipes.