24/7 emergency slab leak response across Dallas-Fort Worth from our Plano and Rockwall offices, with an average 45-minute arrival in Plano, Allen, Frisco, and McKinney.
Why DFW Homeowners Call Staggs Plumbing
Family-Owned Since 1990
More than three decades of slab leak repair across North Texas. Meet our team.
Texas Master Plumber #M-17697
Held by Randy Staggs, the highest plumbing license issued by the Texas State Board of Plumbing Examiners.
24/7 Emergency Response
Average 45-minute arrival in Plano, Allen, Frisco, and McKinney. See our emergency plumbing services.
Flat-Rate Written Estimates
You approve the price before any work begins. No surprises on the final bill.
2-Year Labor Warranty
Included on every slab leak repair, reroute, and repipe.
Fully Insured
$2 million in general liability coverage plus workers’ compensation on all employees.
Insurance Documentation Support
We work directly with your adjuster to document the failure and access method.
Flexible Financing
Plumbing financing options for larger repairs and repipes.
Coverage varies by policy, but many homeowner policies help cover the cost of locating and accessing a slab leak. Schedule slab leak detection with our team today.
What Is a Slab Leak?
A slab leak is a break, crack, or pinhole failure in the water lines running beneath your home’s concrete foundation. Most Dallas-Fort Worth homes are built slab-on-grade, so hot and cold supply lines run under, or directly through, the slab. When those pipes fail, water seeps into the soil beneath your foundation and the damage compounds quickly:
- Wasted water: A slab leak runs 24 hours a day, even when no one is home.
- Soil movement: Saturated clay swells and shifts under the slab.
- Mold and flooring damage: Moisture wicks up into carpet pad, hardwood, and drywall. Learn how quickly plumbing leaks cause water damage.
- Foundation damage: The most expensive outcome, and often far more costly than fixing the leak itself.
Every day a slab leak goes unaddressed, the repair cost grows. Learn more about what causes slab leaks in DFW or browse our slab leak guides.
Why Slab Leaks Are Common in Dallas-Fort Worth
North Texas has some of the toughest conditions in the country for under-slab plumbing. Three local factors work together:
- Expansive Blackland Prairie clay: Much of Collin, Dallas, Denton, and Rockwall counties sits on clay soil that swells when wet and shrinks during drought. That constant movement flexes the slab and stresses the pipes beneath it.
- Drought-to-rain cycles: Long, dry Texas summers shrink the clay and leave pipes spanning voids they were never designed to cross. When heavy rains return, the soil surges back, and pipes that were already stressed give out.
- Hard water: Much of the Metroplex has hard water that slowly corrodes copper pipe from the inside, leading to pinhole leaks. Our water testing service shows exactly what is in your water.
How Home Age Changes Slab Leak Risk Across DFW
- Older neighborhoods: Homes in Dallas, Richardson, Garland, and Mesquite often have decades-old copper supply lines and cast iron drains under the slab, where age and corrosion drive most failures.
- 1970s through 1990s homes: Much of Plano and central Collin County was built with under-slab copper that is now reaching the age when pinhole leaks become frequent. Learn the difference between Type L and Type M copper pipe.
- Newer construction: Homes in Frisco, McKinney, Prosper, and Celina, along with many homes in Carrollton, are often built on post-tension slabs with steel cables running through the concrete. These foundations require precise leak location before any concrete is cut.
Warning Signs of a Slab Leak
Act early: Early detection typically saves $3,000–$8,000 in additional repair costs.
- Higher water bill: An unexplained jump in your bill when your usage has not changed. See what causes a high water bill.
- Running water sounds: Water you can hear with every fixture in the house turned off.
- Warm or hot spots: Warm areas on tile, hardwood, or carpet, a common sign of a hot water line break below.
- New foundation cracks: Cracks appearing in walls, floors, or exterior brick.
- Musty smells or damp carpet: Mildew or moisture with no visible source.
- Low water pressure: Reduced pressure throughout the home. Learn more about low water pressure causes.
- Soggy yard patches: Wet spots near the foundation during dry weather.
- Sticking doors or windows: Frames that suddenly will not close properly.
- Water heater running constantly: A hot water slab leak keeps the heater cycling to replace lost water. Rule it out with water heater repair.
For a deeper look, read our guide to the signs of a slab leak in your DFW home.
How We Detect Slab Leaks
We use three non-invasive methods to pinpoint the leak before any concrete is touched:
1. Electronic Acoustic Detection
Listening equipment picks up the sound of water escaping under pressure, pinpointing the leak to within a few inches so excavation stays minimal.
2. Infrared Thermal Imaging
Thermal cameras detect temperature changes in the slab, confirming hot water leaks and mapping how far the water has spread.
3. Pressure Testing
We isolate sections of your plumbing and measure pressure drop to identify exactly which line is failing and where.
Together, these methods give us a complete picture before we recommend any repair. Learn more about our leak detection services and how plumbers find hidden leaks.
Slab Leak Repair Options
The right repair depends on your pipe age, the leak location, your floor covering, and whether this is a first failure or part of a larger pattern. We walk you through every option with a flat-rate written estimate before work begins.
- Spot repair: We open a small section of the slab and fix the specific failure point. Best for newer pipes in good condition with a single, localized leak.
- Pipe rerouting: We abandon the failed under-slab line and run new copper or PEX through the walls or attic, bypassing the slab entirely. Best for aging pipes showing wear beyond one location.
- Tunneling: We dig under the slab from outside the foundation instead of cutting through your floors. Best when you have tile or hardwood you want to protect.
- Full repipe: When pipes are failing throughout the home, a whole-home repipe ends the cycle of repeat slab leaks and often costs less than several separate repairs over time.
| Repair Option | Best For | Impact on Floors |
|---|---|---|
| Spot Repair | A single leak in otherwise healthy pipe | Small opening in the slab |
| Pipe Rerouting | Aging lines or repeat leaks | Work happens in walls or attic, not the slab |
| Tunneling | Tile, hardwood, or finished floors | Floors stay intact |
| Full Repipe | Pipe failing throughout the home | Varies by home layout |
Not sure which is right for your home? Read whole-home repiping vs. spot pipe repair, see what plumbing repairs cost in DFW, or ask about plumbing financing for larger repairs.
What to Do If You Suspect a Slab Leak
- Check your water meter: Turn off every faucet and water-using appliance, then watch the meter or leak indicator for 10 to 15 minutes. If it moves, water is escaping somewhere. See how to detect a hidden water leak.
- Shut off the water if you see active damage: If water is pooling or flooring is getting wet, close your main shutoff valve.
- Turn off the water heater: If you suspect a hot water line, turning off the heater keeps it from running nonstop.
- Document the signs: Take photos of wet spots, cracks, and your water bill for your insurance claim.
- Schedule professional leak detection: Avoid opening floors or walls until the leak is located. Request slab leak service or reach our 24/7 emergency plumbers. Our emergency plumbing tips cover what to do while you wait.
Preventing Future Slab Leaks
- Keep water pressure in check: Install a pressure-reducing valve if city supply pressure exceeds 80 PSI. High pressure is a leading cause of early pipe failure across DFW.
- Water your foundation during drought: Soaker hoses keep clay soil moisture consistent and reduce the swell-and-shrink cycle that stresses pipes.
- Schedule an annual inspection: A plumbing inspection or a plumbing maintenance plan catches early pipe wear for a fraction of the cost of an emergency repair.
- Soften hard water: A whole-home water softener slows the internal corrosion that leads to pinhole leaks in copper pipe. Learn more about hard water in North Texas.
Slab Leak Repair Across Dallas-Fort Worth
From our headquarters at 740 F Avenue in Plano and our office on W Rusk Street in Rockwall, our team handles slab leak detection and repair throughout the Metroplex. Every community has its own mix of soil, home age, and pipe materials. Find your local slab leak page:
Slab Leak Repair in Rockwall
Richardson
Garland
Frisco
McKinney
Carrollton
Mesquite
We also provide plumbing service in Dallas, Allen, and dozens of other North Texas communities. View our full service area or see all plumbing services.