Slab Leak Repair in McKinney, TX — Fast, Accurate & Affordable Under-Slab Specialists
McKinney is one of the fastest-growing cities in Collin County, and with rapid development comes foundation movement, shifting soil, and stress on your under-slab plumbing system. That’s why slab leaks are so common here.
At Texas Slab Leaks LLC, we specialize exclusively in slab leak detection and slab leak repair. Every service call is led by Master Plumber Michael Blue (RMP 36580), bringing over 30 years of hands-on experience with slab-on-grade foundations, copper line failures, and tunneling repairs.
📞 Schedule McKinney Leak Detection: (469) 352-6031
$325 Flat Rate — Same-Day Service Available
Signs You May Have a Slab Leak in McKinney
If you see any of the following signs, early leak detection can save thousands:
✔ Warm or hot spots on the floor
✔ Higher-than-usual water bills
✔ Low water pressure
✔ Damp carpet or moisture near baseboards
✔ Sound of running water under flooring
✔ Cracks in walls, tiles, or slab
✔ Water pooling outside the foundation
✔ Mold or musty odors
✔ Hot water system running constantly
Many slab leaks here begin as a small copper pipe pinhole leak, but quickly worsen due to soil movement and pressure fluctuations.
Why Slab Leaks Are Common in McKinney, TX
McKinney sits on highly reactive North Texas clay soil, making slab leaks particularly frequent. Here’s why:
- Soil Expansion and Contraction
McKinney’s clay undergoes extreme soil expansion and contraction, causing pipes to shift or rub against the concrete, eventually cracking.
- Foundation Movement in Newer and Established Areas
From Stonebridge Ranch to Adriatica Village, rapid development has led to foundations settling, shifting, and stressing the under-slab plumbing system.
- Copper Pipes Rubbing Against Concrete
Movement leads to abrasion → abrasion leads to copper pipe pinhole leaks.
- Hot Water Line Deterioration
Hot water slab leaks are extremely common due to expansion cycles and pipe fatigue.
- High Water Pressure (PSI)
Many McKinney subdivisions have higher PSI levels than older plumbing systems were designed for, increasing pipe failure rates.
All of this creates the perfect environment for slab leak hotspots across McKinney.
Understanding Slab Leaks in McKinney’s Soil & Foundations
McKinney homes are built on slab-on-grade foundations, which sit directly on top of expansive clay. Throughout the year, this clay goes through continuous soil expansion and contraction, causing predictable foundation movement. This constant shifting places stress on the under-slab plumbing system, increasing the likelihood of breaks or pinhole leaks.
One of the most common failures we repair is the copper pipe pinhole leak, especially in homes built during periods of rapid construction. When pipes shift or vibrate, they often rub against the slab, eventually creating leaks that lead to structural moisture damage under flooring and inside walls.
To locate these leaks with precision, we use advanced acoustic leak detection tools, moisture mapping, and thermal imaging. Depending on the leak’s severity, repairs may involve a direct access fix, a plumbing line reroute, or a long-term solution from our PEX repipe experts. We specialize in solutions designed specifically for hot water slab leak repair in McKinney, ensuring long-lasting results.
Slab Leak Detection in McKinney
— $325 Flat
We use the most advanced tools available to diagnose slab leaks accurately before any cutting or tunneling begins:
✔ Acoustic leak detection
✔ Thermal imaging
✔ Moisture mapping
✔ Pressure testing
✔ Tracer gas detection
✔ Sewer camera inspection (for drain or sewer leaks)
📞 Leak Detection in McKinney: (469) 352-6031
Accurate detection = lower repair cost.
Slab Leak Repair Options
in McKinney, TX
We offer the three most effective repair methods:
1. Jackhammer Slab Leak Repair — $3,700 Flat
We open a small area of concrete, repair the pipe, and restore the slab.
Best for:
✔ Hot water slab leaks
✔ Bathrooms & kitchens
✔ Interior hot spots
✔ Short pipe runs
Includes full concrete restoration.
2. Tunneling Under the Slab — $4,200 First 10 ft + $250/ft After
This method avoids disturbing interior flooring.
Benefits:
✔ Protects hardwood, carpet & tile
✔ Cleaner repair process
✔ Ideal for deeper leaks
✔ Great for Stonebridge Ranch, Craig Ranch & Eldorado homes
✔ No interior demolition
Most McKinney homeowners prefer tunneling due to lower home disruption.
3. Overhead PEX Reroute — $3,700 Flat
We bypass the slab entirely and run new insulated PEX lines through the attic or walls.
Best for:
✔ Older homes
✔ Multiple slab leaks
✔ Corroded copper
✔ Homes with recurring leaks
Our PEX repipe experts eliminate future slab leaks permanently.
Sewer & Drain Slab Leak Repair
Older areas of McKinney may still have cast iron drain systems, which commonly develop:
✔ Root intrusion
✔ Channeling
✔ Cracks
✔ Full pipe collapse
We offer:
✔ Cast iron replacement
✔ Sewer camera inspection
✔ Drain reroutes
✔ Under-slab sewer repair
✔ Tunneling for sewer access
If your slab leak is sewer-related, we handle it from start to finish.
McKinney Neighborhoods We Serve
✔ Stonebridge Ranch
✔ Craig Ranch
✔ Adriatica Village
✔ Villages of Lake Forest
✔ Eldorado Heights
✔ Trinity Falls
✔ Heatherwood
✔ Brookstone Meadows
✔ Hardin Lake
✔ Ridgecrest
✔ Pine Ridge Estates
✔ Auburn Hills
✔ Bloomdale Farms
✔ North Creek
✔ Prosper/McKinney border homes
If you live in McKinney — we serve your home.
Why Carrollton Homeowners Choose Texas Slab Leaks LLC
30+ Years Slab Leak Expertise
We fix slab leaks every day — not general plumbing guesswork.
Master Plumber on Every Job
RMP 36580 ensures reliable, code-compliant repair.
Transparent Flat Pricing
✔ $325 detection
✔ $3,700 reroutes
✔ $3,700 jackhammer repair
✔ $4,200+ tunneling
No upselling — ever.
Advanced Leak Detection Technology
We find leaks fast and accurately.
Fast Response Times
McKinney is one of our busiest zones.
Family-Owned & Local
Trusted throughout Collin County.
Frequently Asked Questions — Slab Leak Repair in McKinney, TX
1. How much does slab leak repair cost in McKinney?
Most McKinney slab leak repairs cost $3,700 to $4,200+, depending on whether jackhammer access, tunneling, or a plumbing line reroute is needed. Leak detection is always a flat $325.
2. How long does slab leak repair take?
Leak detection typically takes 1–2 hours. Most slab leak repairs are completed in one day, while tunneling may take 1–2 days depending on the length, soil conditions, and foundation movement.
3. Will repairing a slab leak damage my flooring?
Not with tunneling. Tunneling allows us to access the under-slab plumbing system from outside without removing tile, hardwood, or carpet inside your home.
4. What causes slab leaks in McKinney?
Slab leaks typically occur because of soil expansion and contraction, copper pipes rubbing against the concrete, high water pressure, or aging plumbing systems. Many local leaks begin as copper pipe pinhole leaks.
5. Are slab leaks dangerous?
Yes. Slab leaks can cause structural moisture damage, mold growth, foundation shifting, and extremely high water bills. Early detection prevents major repairs.
6. How do you find a slab leak without breaking the floor?
We use acoustic leak detection, thermal imaging, pressure testing, and moisture mapping to pinpoint the location before deciding whether tunneling, jackhammer access, or a PEX repipe is the best solution.
7. Do McKinney homes commonly need reroutes or repipes?
Yes. Homes with multiple slab leaks or deteriorating copper often benefit from a PEX repipe, which bypasses the slab and eliminates future leaks entirely.
8. What is the most common repair method for slab leaks in McKinney?
Tunneling is extremely popular in McKinney—especially in Stonebridge Ranch, Eldorado Heights, and Craig Ranch—because it protects interior flooring and provides long-term access for repairs.
9. Can a slab leak raise my water bill?
Absolutely. One of the most common early signs of a slab leak is a sudden spike in water usage. You can check your meter or review usage guidelines on the official City of McKinney Water Department website.
10. Is leak detection included in the repair cost?
Leak detection is a flat $325, separate from the repair cost. Accurate detection ensures the repair is done right the first time and eliminates unnecessary demolition.
Schedule Slab Leak Repair in McKinney Today
Slab leaks worsen quickly — protect your foundation and home with fast, professional service.

