Schedule a Service
Get fast, reliable plumbing service from our experienced local team. Call us or use the button to book your appointment!
Available 24/7 - We're ready to help!
We respect your privacy.
With Camera Inspection
Slab leaks turn up regularly in Richardson because of how local homes are built and how the soil behaves. Most homes here sit on slab-on-grade foundations with water lines routed through or under the concrete. The expansive clay soil shifts seasonally, stressing those lines and the joints feeding them. According to a Texas Department of Licensing and Regulation bulletin, expansive soils cause greater financial losses to U.S. structures than earthquakes, floods, hurricanes, and tornadoes combined.
Combined with hard North Texas water that wears copper from the inside, slab leaks tend to develop slowly and stay out of sight for weeks before symptoms surface.
Our state-licensed plumbers handle slab leak repair throughout Richardson on a weekly basis. We bring detection equipment built to pinpoint a leak through concrete, along with the field experience to choose between spot repair, re-routing, and tunneling based on what each home actually allows.
Start with our full leak detection service if the slab leak has not yet been confirmed.
Slab leak repair is not a single fixed procedure. The right approach depends on where the leak sits, how the home is laid out, and what kind of flooring is over the slab in that area. We talk through the options before recommending a path forward.
When the leak is in a single accessible location and the flooring above is replaceable, we open the slab directly, repair the failed section, and close everything back up. This is the most direct repair path, though it does require cutting concrete and patching the flooring afterward.
When the leak sits in a difficult location, or when re-routing avoids tearing into finished flooring, we run a new line through the attic or walls to bypass the affected section under the slab. The old line stays abandoned in place, and the new line carries water to the same fixtures.
Slab leaks almost never resolve themselves and tend to get worse over time. Repair is the right call when symptoms suggest water is moving under the foundation rather than from a fixture or a wall. Trigger conditions include:
Every slab leak repair follows a defined sequence. The exact steps depend on whether we spot repair or re-route, but the diagnosis and verification work stays consistent across either path.
We start with a pressure test, a meter test, and a walk-through of the accessible plumbing. If pressure is dropping on the supply side and nothing visible is leaking, we move to electronic detection to verify the leak is below the slab rather than inside a wall.
We use acoustic listening equipment, helium tracer gas, or line tracing to mark the exact spot of the leak through the concrete. Helium tracer is the most precise option. We pressurize the line with a small amount of helium, then track where it escapes through the slab with a surface sensor, narrowing the location to within an inch.
We walk through the choice between spot repair, re-route, and tunneling, including the cost, timeline, and flooring impact tied to each option. The decision factors in slab thickness, flooring type, and the layout of nearby fixtures.
We complete the chosen repair, pressure-test the line, and confirm no remaining loss using a meter test. The work is documented for warranty and insurance purposes before anything gets closed back up.
A slab leak that gets ignored or shortcut-patched causes damage far beyond the plumbing system itself. Water released under a Richardson slab reacts with the expansive clay soil in ways that speed up foundation movement. The longer a slab leak runs, the more secondary damage it creates:
If a slab leak has already been spot-repaired once and another one appears on the same line, the pipe itself is failing rather than just that one location. Plenty of older Richardson homes with original copper running under the slab reach this point. Conditions that justify re-routing instead of another spot repair:
Confirming a slab leak and pinpointing the exact location is the foundation of every successful repair. Our detection service uses acoustic, thermal, and tracer methods to locate the leak through the concrete.
Here is how our leak detection process works in Richardson
When the leak turns out to be at a fixture or accessible point rather than under the slab, our general water leak repair service is the right starting point.
Learn more about our water leak repair service in Richardson
If the failed pipe is in a wall or ceiling rather than under the slab, pipe leak repair is the targeted fix.
Learn more about our pipe leak repair service in Richardson
If the failure sits on the main supply line between the meter and the house rather than on the lines under the slab, the repair scope shifts.
Here is how our water line repair process works in Richardson
A major slab leak that is actively saturating the foundation will not wait for a scheduled visit. Our emergency team can shut down the line, contain the damage, and start the diagnosis the same day.
Call our emergency plumbing line in Richardson any time
We serve homeowners throughout Richardson and the surrounding North Dallas area, including:
Call Pure Plumbing to schedule your slab leak repair appointment.
©2026 Pure Plumbing. License: #M-43576.
All Rights Reserved Privacy Policy Terms & Conditions
Get fast, reliable plumbing service from our experienced local team. Call us or use the button to book your appointment!
Available 24/7 - We're ready to help!
We respect your privacy.