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Round Rock, Williamson County

Slab Leak Detection Round Rock: Find the Leak, Save Your Floor

Fast, accurate slab leak detection Round Rock families can afford: Round Rock slab leak detection pinpoints the leak first, so nobody digs blind. Slab leak detection in Round Rock finds a leaking water or drain line under your concrete foundation without tearing up your floors. A licensed local plumber confirms the leak, isolates the line, then pinpoints it with acoustic, thermal and pressure tools so only a small, precise opening is needed.

  1. 1CallDescribe what you’re seeing
  2. 22–4 hoursLeak confirmed and pinpointed
  3. 3ReportExact spot marked, in writing
How leaks are found:
  • Acoustic listening
  • Thermal imaging
  • Tracer gas
  • Pressure & hydrostatic tests
  • Camera inspection
Warning signs

Warning signs of a slab leak in your Round Rock home

  • Water bill jumped with no change in use
  • Meter keeps moving with everything off
  • Warm spot on tile, wood or carpet
  • Running-water sound when nothing is on
  • Water heater runs constantly
  • Damp carpet, cupped wood, musty smell
  • Sewer smell or slow drains
  • New cracks or sticking doors
Try the 2-hour meter test. Turn off every faucet and appliance, write down the meter reading, use no water for one to two hours, then read it again. If it moved, water is going somewhere, and it’s time to call.

My carpet is damp near a wall in my Round Rock home. Is it a slab leak?

It can be. Water from a leaking line under the slab often wicks up at the edges of a room or near a plumbing wall. Rule out a leaking toilet, tub or water heater nearby first, then test the lines under the floor.

Check it yourself

Before you book slab leak detection in Round Rock

This simple test tells you whether water is escaping somewhere in your Round Rock home before you pay for a visit.

  1. Turn everything off. Faucets, dishwasher, washer, ice maker, sprinklers and pool fill.
  2. Find your meter. It is usually in a box near the street. Read the number or take a photo.
  3. Wait one to two hours. Use no water at all during that time.
  4. Read it again. If the number moved, or the small leak indicator is spinning, water is escaping.
  5. Narrow it down. Close the house shut-off. If the meter keeps moving, the leak is in the yard line; if it stops, it is inside, possibly under the slab.
Slab leak detection only

What Round Rock slab leak detection includes

We do one thing: find leaks under concrete slabs. Every visit is done by an independent, licensed Texas plumber who specializes in leak detection, so you pay to find the leak, not to break concrete searching for it.

Water Line Leaks

Find leaks in the pressurized supply lines buried in or under your slab.

Hot-Water Line Leaks

Thermal imaging traces warm spots and leaking hot-water runs.

Drain Line Leaks

Hydrostatic and isolation tests find drain leaks that never show on your meter.

Pressure Testing

Confirm a leak exists and measure how fast the line loses pressure.

Line Isolation & Tracing

Separate hot, cold and branch lines and map where they really run.

Acoustic Pinpointing

Ground microphones hear escaping water through the concrete.

Tracer Gas Detection

For very quiet leaks and plastic pipe, gas rises at the leak point.

Written Leak Report

Exact location, readings and photos for your insurer or water utility.

Local conditions

Local conditions behind Round Rock slab leaks

Central Texas soil changes at I-35: east of it is Houston Black Clay that swells and shrinks dramatically, while the west side is thin soil over limestone. Drought cycles and water restrictions make the movement worse.

Many Round Rock neighborhoods were built in the 1990s and 2000s, so their copper lines under the slab are now 20–30 years old, and fast-growing areas east of I-35 sit on the heaviest clay.

Serving homes across Round Rock, including neighborhoods near Dell Diamond, Old Settlers Park, Kalahari Resorts.

Can foundation repair in Round Rock break the pipes under my slab?

It can. Leveling a slab moves the pipes inside it, so a plumbing test before and after foundation work is wise. Many foundation warranties in Texas expect a plumbing test once the work is done.

GroundHouston Black Clay east of I-35; thin soil over limestone to the west; sandy soils around Bastrop.
Homes1980s–2000s suburbs plus large new master-planned communities.
WaterLake and aquifer sources; west-side water is often very hard.
WeatherDrought cycles, water restrictions and rare hard freezes.
Homes & pipes

What is under the slab in Round Rock homes

Across Round Rock: 1980s–2000s suburbs plus large new master-planned communities. Knowing what pipe is under your floor tells the plumber which slab leak detection method will work best.

Copper supply lines

Common in homes built from the 1960s through the early 2000s. Copper wears where it rubs against concrete or gravel, and pinhole leaks show up as homes pass 25–40 years old. Acoustic listening finds them well.

Cast-iron drains

Standard in homes built before about 1980. Cast iron rusts from the inside and cracks as the slab moves. Drain leaks never show on the water meter, so a hydrostatic test and camera inspection are used.

Polybutylene

Gray plastic pipe installed from about 1978 to 1995. It is known for failing at fittings. Tracer gas and pressure testing are often the best ways to locate leaks in it.

PEX and newer plastic

Used in most homes built since the 2000s, often run from a manifold. PEX leaks are usually at fittings or where the pipe was nicked during construction. Each run can be pressure-tested from the manifold.

Our process

Our slab leak detection process in Round Rock

The same nine steps on every job, so you know what’s happening and why. Read the full process →

  1. Listen and look first

    The plumber hears what you've noticed and walks the home to look for clues.

  2. Rule out the easy causes

    Toilets, faucets, irrigation, the water heater and the AC drain are checked so you don't pay to search for the wrong leak.

  3. Confirm the leak with the meter and a pressure test

    A meter test and a pressure test prove water is escaping from the plumbing.

  4. Isolate the leaking line

    Hot, cold and branch lines are separated so the search focuses on the one that's leaking.

  5. Test the drains, if needed

    Drain leaks don't show on the meter, so they get their own hydrostatic test and camera check.

  6. Trace the pipe's route

    An electronic locator maps where the leaking line actually runs under the floor.

  7. Pinpoint the exact spot

    Acoustic listening, thermal imaging and tracer gas find where the water is escaping, and two methods must agree.

  8. Scan the slab and mark the leak

    The slab is checked for steel tendons and rebar, and the leak is marked on the floor.

  9. Get your written report

    You receive the leak's location, the line, the readings and photos in writing.

Water coming up through the floor in Round Rock?

Shut off the main water valve and call now. We’ll connect you with a licensed slab leak specialist.

Call (000) 000-0000
What to expect

What a slab leak detection visit in Round Rock looks like

When you book slab leak detection in Round Rock, a licensed plumber who knows Williamson County homes comes to you with the tools to read through concrete: pressure gauges, acoustic ground microphones, thermal imaging and tracer gas.

Most of the visit is about narrowing the search. A meter test confirms water is escaping, a pressure test measures how fast, and isolating the hot, cold and branch lines turns the whole house into a single pipe to follow.

Next, the line is traced and the slab is scanned. Acoustic listening finds the point where escaping water is loudest, thermal imaging confirms hot-water leaks, and tracer gas handles the quietest leaks. Two readings must agree before the spot is marked.

You finish the visit with the leak marked on the floor and a written report in hand. That report is what makes slab leak detection in Round Rock worth it: no one has to search by breaking concrete.

We arrange slab leak detection for homes all over Round Rock, from neighborhoods near Dell Diamond to those around Kalahari Resorts. Most visits take two to four hours.

Why choose us

Why Round Rock homeowners choose detection first

Most of the cost of a slab leak comes from searching for it and repairing the floor afterward. Slab leak detection is all we do, so you get an exact location before anyone touches your floor.

Licensed Texas plumbers

All work is done by independent plumbers licensed in Texas who will show their license number on request.

Typical prices up front

Know the usual range before anyone arrives, and get a written quote before work starts.

Documentation you can use

Photos, readings and a written summary for your insurer or your water utility’s leak credit.

Comparison

Round Rock slab leak detection specialist vs. a general plumber

Many general plumbers do excellent work. The difference is focus and equipment when the leak is hidden under concrete.

What mattersSlab leak detection specialist (our network)Typical general plumbing contractor
Main focusOnly finding hidden leaks under slabsInstalls, repairs and remodels across all plumbing
Detection toolsAcoustic ground mics, thermal imaging, tracer gas, line tracingVaries; often a pressure test and visual inspection
Locating the leakPinpointed before any concrete is openedMay open the floor in more than one place to search
Drain leaks under slabHydrostatic, isolation test and camera find the broken sectionMay recommend replacing the whole drain system
After the leak is foundExact spot marked and documented; you choose who fixes itOften moves straight into its own repair or repipe
PaperworkWritten report with photos for insurance and water creditsUsually an invoice only
Typical cost to locate$150–$600 in most Round Rock homesVaries; exploratory openings add cost

Tip: whoever you call, ask which detection methods they use and whether they’ll pinpoint the leak before opening the slab.

Detection cost

Round Rock slab leak detection cost

Published national and Texas ranges. You get the price before the visit.

Typical visit

Slab Leak Detection

$150–$600
Most homes
  • Meter & pressure testing
  • Hot/cold line isolation
  • Acoustic & thermal pinpointing
  • Leak marked on the floor
  • Written report with photos
Call for a Price

What raises the price

  • Larger homes with more lines
  • More than one leak
  • Very quiet leaks needing tracer gas
  • Drain testing (a hydrostatic test is typically about $250)
  • After-hours visits

What it doesn’t include

  • Breaking or patching concrete
  • Pipe repair or rerouting
  • Foundation work
  • Mold cleanup

We only do detection. You get the exact location and choose who does any repair.

Sources: This Old House, Angi/HomeAdvisor via Bob Vila.

What do I get at the end of a slab leak detection visit in Round Rock?

The leak's location marked on the floor, which line is leaking (hot, cold or drain), the test readings and photos, and a written summary you can give your insurer or water utility.

How urgent is it?

Same day, this week, or keep watching? A Round Rock guide

Call the same day

  • Water coming up through the floor
  • Sewer smell inside the home
  • Meter spinning fast with everything off
  • A large warm or wet area

Shut off the main water valve first.

Book this week

  • Meter moves slowly with everything off
  • One warm spot on the floor
  • Water heater running constantly
  • Bill up for a second month

Keep watching

  • A single high bill with an explanation
  • Hairline cracks with a normal meter test
  • Slow drains in one fixture only

Repeat the meter test monthly.

Insurance

Insurance and slab leaks in Texas

Coverage depends on your policy and the cause. The Texas Department of Insurance has long said the standard HO-B policy covers damage to the dwelling, including the foundation, from an accidental discharge of water from a plumbing system. Many policies still exclude wear and tear, the pipe itself, and mold.

What helps your claim: shut off the water, protect your belongings, and get the leak documented by a licensed plumber before the adjuster visits.

Water bill

Ask for a leak credit

Many Texas cities and MUDs credit part of the water lost to a hidden leak once it’s repaired. Most want a paid plumber’s invoice and a request within a set number of days, and allow one credit a year.

Keep your invoice, and call your utility soon after the repair to ask about its rules and deadline.

FAQs

Questions about slab leaks in Round Rock?

Still not sure if you have a slab leak? Call and describe what you’re seeing. A licensed plumber will tell you whether it’s worth a visit.

Call (000) 000-0000
Are homes east of I-35 in Round Rock more likely to get slab leaks?

Often, yes. East of I-35, Round Rock sits on expansive Houston Black Clay that swells after rain and shrinks in drought, which bends pipes inside the slab. West-side homes sit on thinner soil over limestone, where movement is smaller but reaching a leak through the slab can take more work.

Do drought and water restrictions cause slab leaks in Round Rock?

They contribute. When clay dries out during drought, it shrinks and pulls away from the slab, and then swells again after rain. That movement stresses pipes, so leaks often show up when a dry spell ends.

Is slab leak detection harder in Round Rock because of rock?

Detection itself works the same way: pressure tests, acoustic listening and thermal imaging all read through the slab. Rocky ground west of I-35 makes reaching a pipe slower, which is exactly why pinpointing the exact spot first matters so much.

Why is there a warm spot on my floor?

A warm spot on tile, wood or carpet is a classic sign of a leaking hot-water line under the slab. Thermal imaging can confirm it and trace the line. Turn off the water heater's cold inlet and call a plumber.

Will homeowners insurance cover my slab leak in Round Rock?

Often in part. Many Texas policies cover damage from an accidental discharge of water, including tear-out to reach the pipe, but not wear and tear or the pipe itself. Get the leak documented and call your insurer early.

Can you find a slab leak in Round Rock without tearing up my floors?

Yes. The plumber pinpoints the leak with pressure tests, acoustic listening and thermal imaging before any concrete is opened. The exact spot is marked on the floor, so any opening afterward can be small and precise.

Service area

Slab leak detection near Round Rock

Last updated 2026-10-23

Call (000) 000-0000