Drying and cleanup for the flooring, baseboards and walls a leaking line under the slab has soaked.
Fastest: call (833) 490-5225. Or send this and we call you back.
Slab leak water damage is the wetting of flooring, baseboards and wall bottoms by a pressurized line leaking in or under a concrete slab. The crew finds the wet areas with moisture meters, removes what cannot dry, and dries the rest. A licensed plumber must find and repair the pipe itself. Phones are answered 24/7 in Tarrant County.
Most homes in the Mansfield area sit on a concrete slab, and the water lines that feed the kitchen, bathrooms and laundry often run through or beneath it. When one of those lines pinholes or splits, the water has nowhere to drain. It rises through slab cracks and joints, soaks the bottom of the walls and creeps under flooring, and you may see nothing for a while except a warm patch underfoot or a water bill that does not make sense.
This page covers the water-damage side of a slab leak: finding how far the moisture has traveled, pulling out flooring and baseboard that cannot be saved, and drying the structure to a measured goal. It does not cover finding or fixing the leak. Tunneling to a line, re-routing it or re-piping the house is plumbing work, and any leveling of the foundation belongs to a foundation contractor or structural engineer.
The order matters. If the pipe is still leaking, drying equipment only fights a losing battle, so the plumber and the drying crew usually work in sequence, with the water supply shut off in between. We will tell you honestly which call to make first.
The common signs are a warm spot on the floor, the sound of running water with everything off, a water meter that keeps turning with all taps closed, and an unexplained jump in your bill. Any one is a reason to check. Together they strongly suggest a pressurized line is leaking under the slab.
A simple test is to turn off every tap, the ice maker and the irrigation system, then watch the leak indicator on your water meter. If it keeps moving, water is going somewhere. A plumber can narrow the location with listening equipment, which is the correct next step, not mopping.
Do not assume a stain means the pipe above it. Water follows slab cracks, expansion joints and the path of least resistance, so the wet baseboard may sit several feet from the failed line.
Water from a slab leak soaks flooring from underneath and wicks up the bottom of the walls. Carpet pad, laminate, engineered wood and baseboard are damaged first, while tile and the slab itself usually survive. Moisture left trapped under flooring can feed mold, so the crew checks beyond the visible damage.
Floating floors and laminate absorb water at the seams and swell, often in a pattern that follows the slab joints. Hardwood tends to cup. Tile is rarely harmed by water, but the grout, the thinset beneath it and the baseboard beside it can stay wet for a long time.
Drywall wicks water upward like a wick, so a wall that looks fine at eye level may be wet inside at the bottom. That is why meters, not looks, decide how much is removed.
Three different trades may be involved. A licensed plumber locates and repairs or re-routes the line. A foundation contractor or structural engineer assesses any slab movement. The restoration crew removes the water, dries the structure and documents the damage. The crew does not repair pipes or foundations.
In Texas, plumbers are licensed by the Texas State Board of Plumbing Examiners, so it is reasonable to ask for a plumber's license number before work starts. Slab leak repair is not a handyman job.
Insurance adds a fourth voice. Many policies treat a plumbing leak under the slab and any resulting foundation damage in specific ways, so ask your agent how your policy handles both before you decide on repairs. Coverage is decided by your insurer, not by the crew.
Yes. The EPA advises drying water-damaged areas within 24 to 48 hours, but that is a guideline, not a guarantee. A slab leak is often discovered late, so mold may already be growing under flooring or inside the wall base even if materials look dry afterward.
If mold turns up, Texas separates the jobs on purpose. Under Occupations Code Chapter 1958, the licensed assessor who inspects and writes the plan cannot be the same license holder who does the removal, and a license is generally required once contamination reaches 25 contiguous square feet. The drying crew does not offer testing and removal as one package.
Our role is the drying. If readings or smells suggest mold, the next step is a licensed assessor, as the mold inspection page explains.
Shut the main water valve first, and keep out of rooms where water has reached outlets, floor-level appliances or power strips. Do not cut into the slab or pull up flooring over a warm spot yourself, and do not use a household vacuum on standing water.
Close the main valve so the leak stops feeding the floor. A licensed plumber then confirms where the line is failing, and the crew coordinates timing so drying does not start while the pipe is still running.
The crew runs moisture meters and thermal tools across floors and up the walls to see how far the water has spread. Slab water often travels farther than the visible stain, so the map is wider than most people expect.
Wet carpet pad, soaked baseboard and swollen flooring come out. In some rooms the bottom few inches of drywall are cut away so the wall cavity can breathe and dry.
Air movers push air across the wet surfaces and dehumidifiers pull moisture out of the room. Because the slab itself holds water, drying is checked day after day rather than ended on a calendar date.
Affected surfaces are cleaned and an antimicrobial can be applied where it makes sense. You receive moisture readings and photos you can share with your insurer, then repairs are quoted separately.
A pressurized line under or in the slab is the classic slab leak. It runs around the clock, so it can wet a large area before anyone notices. This is Category 1 water at the start, which can degrade if materials stay wet for long.
A cracked drain line leaks only when water is going down it, so the damage can be slower and the smell stronger. Because wastewater is involved, this water is treated as contaminated, and the sewage cleanup page explains the extra care.
A line that turns upward into a wall can fail right at the bend. Water then shows at the wall base first, often behind cabinets or a tub, where flooring was never going to dry on its own.
A slab leak job is priced on how much floor and wall the water reached and how many drying days it takes, not on the pipe. The plumber's repair is billed separately by the plumber.
| Job | Typical range | What it includes |
|---|---|---|
| Slab leak water damage mitigation (extraction, drying, flooring and baseboard removal) | $1,500–$6,000 | Plumber's leak repair is not included |
| Structural drying for one room, 3 to 5 days | $800–$2,500 | Equipment plus daily monitoring |
| Wet carpet pad removal and disposal, per sq ft | $0.75–$2.00 | Carpet itself is often saved if lifted early |
| Flood cut of wet drywall, per linear foot of wall | $3–$8 | Usually 2 to 4 feet up from the floor |
| After-hours, weekend or holiday emergency fee | $100–$300 | Applies to nights, weekends and holidays |
These are estimates for the south Dallas-Fort Worth area in 2026, not a quote. Your exact price for the emergency stage is explained and approved on site before any work starts, and repairs after drying are quoted separately.
A crew is dispatched as fast as one is available, and you approve the estimate before any work starts.
Much of North Texas sits on clay soils, including the Blackland Prairie belt, that swell when wet and shrink in dry spells. A concrete slab sits in the zone where that movement is greatest, and the soil shifting beneath it can strain the lines that run through or under the slab. Whether that explains any particular leak is for the plumber to say; the point for a homeowner is that these leaks are not unusual here.
A leak also feeds the soil. Water escaping under a slab can soften clay or make it heave, which is part of why an unexplained warm floor spot or a moving meter is chased quickly instead of watched. We do not repair foundations, and we do not diagnose them, but we will flag what the moisture readings show so you can pass it to the right contractor.
Mansfield grew from 56,368 people in 2010 to 72,602 in 2020, and many homes here are slab-on-grade builds from that growth. Newer houses can still spring leaks, and a long, dry, hot Texas summer can shrink the clay and put extra strain on plumbing, which is one reason a leak may show up in August and not in April.
Air movers, dehumidifiers and moisture meters that dry the floors, wall cavities and ceilings water reached in Mansfield slab homes.
Standing-water extraction from slab floors, carpet and ceilings in Mansfield, with the shut-off steps to take while a crew is on the way.
Water extraction and drying after a supply line splits in a wall, attic or ceiling, with the pipe repair left to a plumber.
What a Texas mold assessment includes, why the assessor never does the removal, and when to order one.
Not sure if you're covered? Check your ZIP code.
A slab leak is a pressurized water line leaking in or under a concrete foundation.
A standard Texas homeowners policy often covers sudden and accidental water damage, such as a burst pipe, but usually not long-term leaks, flood or sewer and drain backup unless you added an endorsement.
It can, but your insurer decides under your own policy. Many Texas policies have specific wording about plumbing leaks under the slab and foundation damage, so ask your agent. The crew can give you photos and moisture readings for your claim.
No. Finding and repairing a line under the slab is plumbing work, which needs a licensed plumber. The crew handles water removal, drying and cleanup, and it will coordinate timing with the plumber so drying starts when the leak is stopped.
It varies with how much area is wet and how long the leak ran. Several days is common, and Texas humidity can stretch it. The crew checks readings each day and stops only when the materials reach a dry goal, not on a set date.
Not always. Tile is usually saved and carpet can often be dried if it is lifted early, while laminate and engineered wood with wet cores usually come out. Meters, not guesses, decide what is salvageable.
Often yes, though air movers and dehumidifiers are loud and run around the clock. If the leak is a drain line or the smell is strong, a different room or a short stay elsewhere may be more comfortable.
No. A slab leak is a leaking pipe. Foundation damage is movement or cracking in the slab, and the two can be related but are handled by different trades. A foundation contractor or structural engineer assesses movement.