Open 24/7 · Houston, TX

Slab Leak Repair in Houston, TX

Slab leak repair in Houston, TX starts with a test, not a jackhammer: shut off the main, check the meter, then call a line that is open 24/7 with same-day service available. A plumber locates the leak under the concrete and then explains the repair path.

(409) 410-0007

Call nowA person answers. Same-day service is available.

Shut the mainClose the main valve and open one tap to bleed pressure.
Check the meterA dial that keeps moving points to a leak on your side.
Mark the spotTape a warm patch or a wet edge so the plumber can start there.

Jobs we take calls for

Slab leak repair in Houston and the work around it

A leak under a floor touches pipes, soil and finishes. These pages cover the neighbors of the job.

Leak detection in Houston

For leaks you cannot locate yet.

Leak detection in Houston details →

Repiping in Houston

When a line has leaked more than once.

Repiping in Houston details →

Water line repair in Houston

For a break between the meter and the house.

Water line repair in Houston details →

Pipe repair

The core page for repairing a damaged length of pipe.

Pipe repair details →

Start here

Which slab leak sign are you seeing in Houston?

Match your sign to the card. Each one gives a check you can run before the call.

A warm patch on the tile floor that comes and goesA hot line beneath the concrete can warm the tile above it. Walk barefoot and mark the warm spot with painter’s tape, then turn off the water heater and see if it cools.Hot-side leaks The water bill jumped and nobody changed their habitsRead the meter at night with every tap off. If the dial or the small triangle still moves, water is escaping somewhere.The meter test Rushing sound at night with the house quietPut an ear near floors, walls and the heater closet after bedtime. A faint hiss while every fixture is off deserves a meter check.The meter test Baseboards swelling or flooring lifting along one wallLaminate cups and wood planks buckle when moisture rises from below. Take a photo and measure how far it spreads.Flooring clues Cracks in the slab or a door that suddenly sticksThese may come from soil movement, not a leak, but a leak can wash soil out under the slab. Ask for a test before assuming either.Soil and leaks A damp smell or mildew in a closet on the ground floorClosets often sit above supply lines. Open the door, check the carpet edge and sniff near the baseboard.Flooring clues Water pressure drops across the house, hot and coldA big leak ahead of the fixtures lowers pressure everywhere. Check the meter and the hose bib first, then call.The meter test Standing water at a slab edge after the irrigation is offA line break near the foundation can surface at the edge. Shut off the main and photograph the spot before the ground dries.Soil and leaks

Reasons to call

Why one call works for a leak you cannot see

A leak under concrete needs testing before any repair. The phone line is where that starts.

Open 24/7A hiss in the night gets a person on the line.
Same-day service is availableMention a moving meter or a soaked floor.
A person answersDescribe the sound and the warm spot, hear the next check.
All plumbing jobs on one numberA leak, a heater and a valve in one conversation.
One call, no formsNothing to fill out while you mop.

Compared

A tested slab leak in Houston versus a guess with a jackhammer

A wrong guess means a hole in the wrong place. This table shows what testing first changes.

	UsGalveston Bay Plumbing	vsThe usual local shop
Availability	The line answers at any hourMeters spin at night too.	A recording until morning
Reaching someone	A person walks you through the meter testYou learn if the leak is yours.	A web form and a wait
How soon	Same-day service is availableSoil under the slab keeps soaking.	A booking next week
Jobs handled	Detection, repair, reroute and heater workOne conversation covers the path.	A separate trade per step
Local knowledge	Slab houses, townhomes and pier and beamFoundation type changes the plan.	A script for one house type
Price clarity	The call explains what drives the priceAsk about pricing when you call.	A number given before the test

Typical patterns only; each company works differently.

From ring to repair

How a slab leak visit in Houston usually goes

Four steps, in order, keep concrete cuts to a minimum.

Isolate the system
Valves are closed zone by zone to learn which line loses pressure.
Listen and locate
Acoustic gear and sometimes thermal imaging narrow the spot on the floor.
Pick the repair path
Spot repair, reroute or partial repipe, each with its trade-offs.
Test and close up
The line is pressure tested before the floor is closed or patched.

Pricing

What moves the price of slab leak repair in Houston

Two leaks can need very different work. These five factors drive most of the difference.

Repair path

A spot repair, reroute and partial repipe sit far apart. Ask about pricing when you call.

Number of leaks

One leak is a single repair; several suggest the line is failing.

Floor finish

Tile, laminate and carpet differ in how they are lifted and put back.

Depth and access

A hallway leak and a kitchen island leak are not the same dig.

Hot or cold line

Hot lines often leak more often, and they cost more to run while leaking.

Have these ready for the call

Where the warm or wet spot is
Your meter reading with taps off
Floor type in that room
Slab, pier and beam, or townhome

Ask about pricing when you call.

Call now, any hour(409) 410-0007

Start with the meter

Slab leak repair in Houston begins at the water meter, not the floor

The two-minute meter test

Stop every use of water in the house first: dishwasher, washer, ice maker, sprinklers. Then walk to the meter box by the curb and open it. A tiny triangle or star-shaped wheel turns whenever water passes. Movement with the house quiet means a pipe past the meter is letting water go.

Now shut the home’s main valve and look once more. A still wheel puts the loss inside your walls and floors. A wheel that keeps going puts it in the buried stretch from the street to the house, a separate job covered on the water line repair in Houston page.

What the dial says

Run the tests in order.
Test	What you see	What it means
All taps off, meter moves	Triangle or dial turns	A leak somewhere after the meter
Main closed, meter moves	Dial keeps turning	Break between meter and main
Main closed, meter stops	Dial still	Leak is inside the house
Only hot taps off, meter still moves	No change	Cold-side or underground line
Heater off, warm spot cools	Floor temperature drops	Hot line under the slab

Meter test results

Photograph the dial

Take a picture of the meter reading, then another thirty minutes later with taps still off. The two photos give the plumber a rate of loss. They also help if the water provider asks about a high bill. If your reading looks odd or the lid will not open, do not force it; the plumber or the water department can help.

Lines under the floor

Simplified. Supply lines run under the slab to each fixture.

Hot-side leaks

The warm floor: why Houston hot water lines leak under slabs

A hot spot on tile is a clue, not proof

Water heaters in Houston homes often sit in a garage or closet at one end of the slab, and the hot lines run under the floor to bathrooms and the kitchen. Hot water expands and cools with each cycle, and the pipe flexes as it does. Over years, a line that rubs against gravel or rock under the slab can wear a pinhole. The result is a floor that feels warm underfoot where the line passes below.

A warm spot can also come from a sunlit window or a hot-air vent, so test by turning off the water heater and waiting an hour. If the spot cools, the line is the cause. If it stays warm, the floor is reacting to something else.

Hot leak clues

A hot-side leak spends energy as well as water.
Clue	Check	Result suggests
Warm spot near hallway	Turn off heater, wait an hour	Hot line below
Heater runs often	Listen at the heater	Hot water escaping
Hot tap slow to deliver	Time the wait	Leak or failing line
Sound of water near the heater	Press an ear to the floor	Line under slab
High gas or power use	Compare recent bills	Heater working to replace lost water

Reading the warm spot

Why hot lines get repeat leaks

If one hot line has leaked, the others of the same age and material often follow. That is the reason a plumber may suggest comparing a spot repair with a reroute. A reroute abandons the slab line and runs new pipe through the attic or the walls, so a future leak is reachable without breaking concrete.

Repiping in Houston explains when replacing a whole system makes sense. The signs of a slab leak guide covers the early warnings in more detail.

Questions for the plumber

Ask about the line ageOlder lines leak again sooner.
Ask about pipe typeCopper, PEX and others age differently.
Ask about rerouteA reroute avoids breaking the slab again.
Ask about floor repairTile match and carpet patching vary.

Repair paths

Spot repair, reroute or repipe: three ways to fix a Houston slab leak

What each path involves

A spot repair cuts a hole in the slab at the located leak, repairs the line and patches the concrete. A reroute leaves the old line dead under the slab and runs a new line overhead. A partial repipe replaces the section that serves one half of the house. Each carries different cost, noise, dust and floor work, and the best choice depends on how many leaks there are and how the floor finish looks.

Choose with the plumber after the test, not before. A leak under a tiled kitchen differs from one under a carpeted hallway, and a two-story home has its own access to ceilings and walls.

Repair options

Compare after the leak is located.
Path	Best for	Trade-off
Spot repair	One located leak, sound pipe	fast
Reroute through attic or walls	Repeat leaks or hard access	more access work
Partial repipe	A failing zone or one wing	larger job
Full repipe	Widespread failure	largest job

Choosing a path

What happens to the floor

Tile may crack when lifted and may not match afterward. Laminate planks can be replaced if the same product is available. Carpet is the easiest to lift and put back. Ask in advance how the floor will be finished and whether that work is part of the same visit.

Where the water goes

Simplified. Water follows the path of least resistance under the slab.

Soil and foundation

Clay under a Houston slab: leaks, cracks and what comes first

Why wet soil moves a foundation

Clay soil along the Texas Gulf Coast swells when it takes on water and shrinks when it dries. A leak that soaks one patch under a slab can lift or soften that patch. Meanwhile the dry soil around it settles. The slab then flexes, and cracks, sticking doors and uneven floors can follow.

Not every crack means a leak, and not every leak causes a crack. If you see both, tell the plumber, and ask a foundation specialist to look as well. Fix the leak first so that the soil can stabilize before any foundation work.

Soil signs

Cracks alone do not prove a leak.
Sign	Leak related?	Next step
Hairline crack in tile	Maybe	Run the meter test
Door that sticks at one corner	Maybe	Check for moisture near the frame
Wide stair-step crack in brick	Often foundation	Foundation specialist
Damp edge along the slab	Likely a line or irrigation leak	Shut the main, call
Dips in the yard near the slab	Possible washout	Photograph and call

Cracks and leaks

Pier and beam is a different job

Some older Houston houses sit on piers with a crawl space. A leak there is usually reachable from below, so the repair does not need to cut concrete. Tell the dispatcher the foundation type on the first call.

Pier and beam checks

Crawl-space accessA door or hatch outside or in a closet.
InsulationWet batting sags and holds water.
Vapor sheetMoisture stains show on the ground cover.
Pipe materialCast iron drains and supply lines coexist.

Home types

Slab leaks in a townhome, a rental and a two-story house

Shared walls and shared bills

A Houston townhome often shares a wall and sometimes a slab edge with a neighbor. A supply line near that wall can wet both sides. Tell the neighbor and the association early, photograph the floor, and shut your own main. Landlords and managers should hear about a suspected leak the same day, in writing.

Houston has an owner-occupied rate near 42 percent, so rentals are common. If you rent, your lease and the landlord decide who calls and who pays. Give the plumber access and keep the paper trail.

Who to tell

Different homes, different calls.
Home	Slab leak concern	Tell
Single-story slab house	Long runs under the whole floor	The plumber only
Two-story slab house	Downstairs lines and upstairs drains	The plumber, and note ceiling stains
Townhome with party wall	Leaks near the shared edge	Neighbor and association
Rented house	Cost and access	Landlord in writing
Ground-floor condo	Shared risers and unit lines	Manager first

Home types

Water use, bills and the City meter

A big leak shows up in the bill and in the meter. Houston Public Works runs the water system for most of the city, and your provider can explain how to read or report the meter. Keep a note of readings and dates.

Leak detection in Houston covers the search for a leak that has not shown itself. The core slab leak repair page explains the work for the wider area.

Looking under the floor

Simplified. A camera or listening gear finds what the eye cannot.

Questions

Questions about slab leak repair in Houston

How do I know if I have a slab leak in my Houston home?

Four clues point to one: a warm floor spot, a hiss in a quiet house, a restless meter wheel and damp or lifting flooring. A plumber confirms with listening gear and a pressure test. Call for slab leak repair in Houston if two of those signs line up.

What is the first thing to do about a suspected slab leak in Houston?

Close the main valve, open one faucet to relieve pressure, then look at the meter wheel. Once it is still, the loss is inside your property. Then call for slab leak repair in Houston. The line is open 24/7 and same-day service is available.

Is slab leak repair in Houston an emergency?

Treat it as urgent when water surfaces in the yard, the floor is wet through, or a hot line is leaking and running up your usage. A slow leak can wait for a normal slot, but it still wears on the foundation soil. Describe what you see when you call so the person can place the visit.

Do all Houston homes have slabs?

No. Many Houston-area homes sit on slab-on-grade foundations, and some older houses use pier and beam with a crawl space. A leak under a pier and beam floor is easier to reach than one under concrete. Tell the dispatcher which foundation you have.

How is a slab leak found in a Houston house?

A plumber isolates each zone, pressure tests the lines, and listens with acoustic equipment on the floor. Thermal imaging can also show a warm line. Once the spot is narrowed, the repair path is chosen. Slab leak repair in Houston begins with the test, not with a jackhammer.

What does slab leak repair in Houston cost?

Cost follows the repair path: a spot repair through the slab, a reroute through attic or wall, or a partial repipe. Floor finish, number of leaks and access also move the price. Ask about pricing when you call, and tell the dispatcher your floor type and where the warm spot sits.

Can a slab leak cause foundation damage in Houston?

It can contribute. Water that escapes under the slab can soften or wash out soil, and clay swells when wet, which stresses the concrete. A long-running leak is worth fixing sooner. If you see new cracks, ask a foundation specialist alongside the plumber.

Is a slab leak covered by my renter or owner policy in Houston?

That depends on the policy and on the cause, so ask your carrier and landlord before repairs begin. A plumber can write what was found and where. Take photos of the floor and the meter reading, and keep every receipt together.

Can I live in the house while slab leak repair in Houston is done?

Usually, yes, though water will be off for part of the work and some rooms may be closed. A spot repair through a slab is noisy and dusty, while a reroute through the attic is less disruptive. Ask the plumber which path fits your home and your schedule.

What if my Houston townhome shares a wall with a neighbor and the leak is near it?

Tell the neighbor and the association early. A supply line near a party wall may feed one home but wet the other. Shut your own main, photograph the floor and call for slab leak repair in Houston. The plumber can tell which side the leak is on.

Should I reroute or repair a Houston slab leak?

A spot repair suits a single, well-located leak on an otherwise sound line. A reroute through the walls or attic suits a line with repeat leaks or a hard-to-reach location. A plumber compares both for your home. Ask about pricing when you call, and ask about the floor repair too.

Guides

Read these before the next leak

Need slab leak repair in Houston?

Shut off the main, check the meter and phone at any hour. A person picks up, and same-day service is available.