Slab Leak Repair

Professional Slab Leak Repair in Lubbock

A slab leak is one of the most serious plumbing problems a Lubbock homeowner can face. It occurs when a water supply or drain line running beneath your home's concrete foundation develops a crack or break. Because these pipes are buried under several inches of concrete and soil, the leak is completely hidden from view — and it can silently cause catastrophic damage to your foundation, flooring, and walls for months before you notice any warning signs. Slab leaks are especially common in Lubbock and the surrounding West Texas area for two interconnected reasons. First, our soil is predominantly clay and caliche. Clay soil expands significantly when it absorbs water and contracts when it dries out. This constant cycle of expansion and contraction puts tremendous stress on the pipes running beneath your foundation, gradually working them loose at joints or causing them to crack from the pressure. Second, Lubbock's water is among the hardest in Texas — it contains high concentrations of calcium and magnesium that accelerate corrosion inside copper pipes. Many homes built in the 1950s through 1980s in neighborhoods like Coronado, Raintree, Oakridge, and Tech Terrace still have their original copper supply lines, and those pipes are increasingly vulnerable to pinhole leaks and failures caused by decades of hard water exposure. The warning signs of a slab leak are often subtle at first. You might notice your water bill creeping up without any obvious explanation. You might hear the faint sound of running water somewhere in your home even when every faucet and appliance is turned off. You might feel a warm or hot spot on your tile or hardwood floor — a telltale sign that a hot water line is leaking beneath the slab. As the leak worsens, you may see moisture seeping up through cracks in your flooring, notice your floor tiles starting to crack or shift, or find damp baseboards and drywall near the floor. In severe cases, the foundation itself can crack or settle unevenly as the saturated soil beneath it loses its load-bearing capacity. At Cotton City Plumbing, we specialize in slab leak detection and repair. We use advanced acoustic listening equipment that can hear the sound of water escaping through a pipe buried beneath your concrete slab, and electronic amplification tools that isolate the exact location of the leak within inches. This technology allows us to mark the precise spot of the leak before any access work begins — meaning we don't have to break up large sections of your floor to find it. We know exactly where to go. Once we've located the leak, we walk you through your repair options. There is no single right answer for every situation — the best approach depends on the age and condition of your pipes, the location of the leak, your flooring type, and your budget. A direct access repair involves opening a small section of the concrete slab directly above the leak, repairing or replacing the damaged pipe section, and patching the concrete. This is the most straightforward approach when the leak is isolated and the surrounding pipe is in good condition. A pipe reroute is often the better long-term solution, especially for homes with older copper plumbing that has experienced multiple leaks. Instead of repairing the failing underground pipe, we abandon it entirely and run a new PEX line through your walls, attic, or crawl space to bypass the slab altogether. PEX is flexible, corrosion-resistant, and far better suited to Lubbock's hard water and soil movement than the original copper. A reroute eliminates the need to break your flooring and removes the risk of future leaks in that same line. For situations where the leak is in a location that makes rerouting impractical, we can also tunnel under the foundation from the exterior to access the pipe without disturbing your interior floors. Cotton City Plumbing has helped homeowners throughout Lubbock navigate the insurance process for slab leak repairs. Most homeowner's insurance policies cover the cost of "access" — the tear-out and backfill required to reach the leak — and the resulting water damage to flooring, drywall, and personal property. The plumbing repair itself is typically not covered, but the access costs can be substantial, and having a licensed plumber provide detailed documentation of the leak location, cause, and repair method is essential for a successful claim. We provide written reports and photos to support your insurance filing. If you've noticed any of the warning signs described above — an unexplained water bill increase, warm spots on your floor, the sound of running water with everything off, or visible moisture near your baseboards — don't wait. Slab leaks get worse over time, and the longer they go unaddressed, the more expensive the damage becomes. Call Cotton City Plumbing at (806) 441-4110 for professional slab leak detection and repair in Lubbock, TX.

Our Slab Leak Repair Services

Our Process

Frequently Asked Questions