Slab Leak Water Damage Restoration — Drying, Repair & Insurance Help

A slab leak is a leak in a water line running beneath or inside your home's concrete slab foundation. Because the pipe is buried under concrete, the leak can run for days or weeks before you notice it — and by then the water has already soaked into flooring, subfloor, baseboards, and drywall. Fixing the pipe stops the leak, but it does nothing about the water damage already inside your home. That second job is ours. Mr. Restore has handled water damage restoration across North Texas and Oklahoma since 2008, with IICRC-certified technicians (WRT, FSRT, ASD), a BBB A+ rating held since 2015, and direct insurance billing so you are not stuck fronting the claim.

Signs of a Slab Leak

Slab leaks hide well, but they leave fingerprints. If you notice two or more of these signs of a slab leak, call a plumber for leak detection — and call us if water has already reached your floors or walls.

• Warm spots on the floor. A hot-water line leaking under the slab heats the concrete above it. A patch of tile or wood that feels warm underfoot is a classic slab leak sign.
• An unexplained spike in your water bill. If usage jumps with no change in habits, water may be running continuously into the ground under your home.
• The sound of running water when every faucet, toilet, and appliance is off.
• Damp carpet, cupped wood planks, or wet baseboards with no visible source above floor level.
• New cracks in floors, tile grout, or walls as the soil under the slab shifts.
• A drop in water pressure at fixtures, because part of the supply is escaping under the foundation.

Left alone, a slab leak keeps feeding moisture into building materials around the clock. The sooner extraction and drying start, the less has to be torn out and rebuilt.

Why Slab Leaks Are a North Texas and Oklahoma Problem

Slab-on-grade foundations dominate homebuilding across North Texas, and the region sits on expansive clay soil — ground that swells when wet and shrinks hard during dry summers. That constant swell-and-shrink cycle moves the slab, and the water lines cast beneath it move with it. Over years, that flexing stresses pipe joints and wears pinhole leaks into copper lines, especially in homes built with copper supply plumbing routed under the slab. Oklahoma City and Amarillo homes face similar soil movement and the same slab construction. The result: slab leaks are a routine, recurring problem in the markets we serve, not a freak event — and homes that have had one slab leak often develop another in a different line later.

The Two-Trades Process: Plumber First, Restoration Second

Slab leak repair is really two repairs. Understanding the split saves homeowners time, money, and confusion:

Step 1 — The plumber (not us). A licensed plumber uses electronic leak detection to pinpoint the leak, then either jackhammers through the slab to repair the line, tunnels beneath the foundation, or reroutes the line overhead through walls and attic. Plumbing repair or reroute is billed separately by the plumber — it is not part of our scope or our pricing.

Step 2 — Mr. Restore. Once the water source is controlled (and often in parallel, while the plumber works), our crew:

• Extracts standing water from flooring and carpet — see our water extraction and removal service.
• Removes materials too saturated to save: soaked carpet pad, cupped wood flooring, wet baseboards, and the bottom sections of affected drywall.
• Sets air movers and dehumidifiers to dry the slab, subfloor, wall cavities, and cabinet bases.
• Monitors daily with moisture meters and thermal imaging, mapping readings until materials return to dry standard.
• Rebuilds: new flooring, drywall, baseboards, paint — back to pre-loss condition.

Typical timeline: extraction and equipment setup on day one, structural drying over roughly 3–5 days depending on saturation and materials, then rebuild. Concrete slabs and hardwood hold moisture longer than carpet, so drying is verified with meter readings, not guesswork. For active flooding, our emergency water damage restoration team answers 24/7 with a 60-minute response guarantee.

What a Slab Leak Damages Inside Your Home

Flooring: Wood, Tile, and Carpet

Wood flooring absorbs moisture rising through the slab and cups or buckles, often across a wider area than the leak itself. Tile can survive, but water travels beneath it and saturates the thinset and slab, and cracked or hollow-sounding tiles usually come up during drying. Carpet and pad wick water outward fast; the pad almost always has to go, though carpet itself can often be dried and saved.

Baseboards and Drywall

Water spreading across the slab hits the wall line first, so baseboards and the bottom few inches of drywall are usually the earliest visible casualties — swelling, peeling paint, and soft spots. We typically remove wet baseboards and cut drywall above the moisture line so wall cavities can dry, then reinstall and repaint during rebuild.

Cabinets and Built-Ins

Kitchen and bathroom cabinets sit directly on the slab, and their particle-board bases soak up water like a sponge. Swollen toe kicks and delaminating cabinet floors are common in slab leaks near kitchens and baths. Where possible we dry cabinet bases in place with directed airflow; when the material has failed, the damaged sections are documented for the insurance claim and replaced during rebuild.

Does Insurance Cover Slab Leak Water Damage?

Slab leak insurance coverage confuses a lot of homeowners, so here is the honest version. Under most homeowners policies:

• Sudden and accidental water damage is commonly covered. The damage the escaping water did to your flooring, drywall, baseboards, and cabinets is typically a covered loss.
• The pipe repair itself often is not. Many policies exclude the cost of fixing the plumbing line, and access costs (breaking and repairing the slab) vary by policy.
• Gradual, long-term leaks may be denied. Carriers can push back on damage they classify as slow seepage or deferred maintenance, which makes documentation critical.

This is where our process protects you. We document the loss with moisture maps, thermal imaging, and daily meter readings that establish the extent and character of the damage, and we bill the carrier directly. Since 2008 we have worked slab leak claims with every major carrier in our markets, and our BBB A+ rating (held since 2015) reflects how those claims get handled. Read your specific policy — coverage language varies — but do not assume a slab leak claim is hopeless before the damage is properly documented.

What Slab Leak Water Damage Restoration Costs

Our numbers cover the restoration side only — the plumbing repair or reroute is billed separately by your licensed plumber, so budget for both trades.

• Water extraction: $500–$3,000 depending on volume and area.
• Single affected room (drying and minor repairs): $400–$1,500.
• Full water damage restoration (extraction, drying, and rebuild): $1,200–$12,000, with most projects landing between $2,500 and $7,500.

Where a slab leak lands in that range depends on how long it ran before detection, the flooring type (hardwood costs more than carpet), and how far water spread along walls and under cabinets. Because covered slab leak damage is usually an insurance claim, we bill the carrier directly and your real cost is often your deductible. For a full breakdown of what drives these numbers, see our guide on how much water damage restoration costs.

Where We Handle Slab Leak Water Damage

Dallas–Fort Worth, TX

Our Lewisville headquarters and McKinney office cover the entire Metroplex — Dallas, Fort Worth, Plano, Frisco, Arlington, and the surrounding suburbs — where slab foundations on expansive clay make slab leaks a year-round call. Crews respond 24/7 under our 60-minute guarantee. See our Dallas water damage restoration service area.

Amarillo, TX

Our Amarillo office brings the same IICRC-certified drying process and direct insurance billing to the Texas Panhandle. Panhandle homes on slab foundations face the same soil movement and aging under-slab plumbing, and freeze events add their own share of line failures. Same phone, same 24/7 response: (877) 631-7576.

Oklahoma City, OK

From our Bethany, OK office we serve Oklahoma City and its surrounding communities, where slab construction and shifting soils produce steady slab leak damage calls. Extraction, structural drying, moisture documentation, and rebuild — with the plumber handling the line. Details on our Oklahoma City service area page.

Slab Leak Water Damage FAQs