Professional slab leak repair services for homes and businesses in San Antonio and surrounding Texas communities.
When a slab leak develops under your San Antonio, TX home, the water migrating through your concrete slab can saturate flooring, undermine structural stability, and feed mold growth inside walls. Phoenician Plumbing responds fast with professional detection technology to locate the leak precisely and perform a repair that stops the damage at its source.
San Antonio homeowners and businesses count on reliable slab leak repair to protect their properties from damage and disruption. Serving a city of 1,570,314 across Texas, Phoenician Plumbing brings the experience, equipment, and licensed crew capacity to handle slab leak repair projects of any scale. We begin every job with an honest evaluation and a clear written estimate so there are no surprises.
Our slab leak repair plumbers in San Antonio, TX are licensed, background-checked, and equipped with professional-grade tools and quality materials. From the initial diagnosis through final testing, we maintain open communication and hold ourselves to high workmanship standards. That is how Phoenician Plumbing has earned the trust of property owners across Texas.
Our proven slab leak repair process delivers reliable results for San Antonio homeowners every time.
We use electronic leak detectors, thermal imaging, and acoustic listening devices to pinpoint the exact location of the slab leak under your foundation before any concrete is cut.
Phoenician Plumbing recommends the most appropriate slab leak repair method for your San Antonio, TX property after assessing the leak location, pipe material, age, and overall plumbing condition. We explain the pros and cons of each option clearly.
Our licensed San Antonio plumber completes the slab leak repair using the method you approved. We work carefully to minimize disruption, protect your flooring and walls, and use pipe materials rated for long-term performance in your system.
After the repair, we pressure test the line to confirm the leak is fully resolved. We then patch any concrete or drywall access points and clean up the work area completely.
Have questions about slab leak repair in San Antonio, TX? Start here.
Common signs of a slab leak in San Antonio include unexplained increases in your water bill, warm or wet spots on floors, the sound of running water when all fixtures are off, low water pressure, cracks appearing in walls or flooring, and mold or mildew odors. If you notice any of these, call Phoenician Plumbing for professional slab leak detection.
Slab leak detection and repair in San Antonio typically takes 1 day for direct access repairs and concrete patching, or 1 to 2 days for pipe rerouting through walls. More extensive rerouting involving multiple floors or complex routing may take longer. Phoenician Plumbing provides a clear timeline after the detection assessment.
Phoenician Plumbing uses electronic leak detection equipment — acoustic listening devices, electronic amplifiers, and thermal imaging cameras — to pinpoint the leak location under your San Antonio slab before any concrete is cut. This precision means we only open the slab where necessary, minimizing repair costs and disruption.
Most homeowners policies in Texas cover the water damage caused by a slab leak — such as flooring replacement and drywall repair — but coverage for the pipe repair itself varies. Some policies include access coverage for opening the slab. Phoenician Plumbing helps San Antonio homeowners document the leak and provides the estimates insurers require.
Our reputation is built on results. Here is what our customers have to say.
"Water heater was 13 years old and starting to rust. They recommended a replacement before it failed and scheduled installation for the next morning. Smooth process, zero issues, hot water immediately."
"Called for what I thought was a simple leak detection and they found two separate issues — one behind the wall and one under the slab. Fixed both in the same visit. Professional and thorough throughout."
"Had an under-slab water line burst. They came out that day, capped off the bad line and restored water to the rest of the house, then rerouted the water line through the attic with minimal drywall damage. Very clean, respectful, knowledgeable, and professional. Only plumber I will ever call."