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Houston, TX · plumbing service

Slab Leak Repair in Houston, TX

Much of Houston's housing sits on slab foundations with water lines underneath, so leaks under the floor are a recurring call. Call to be connected with an independent, licensed plumber who handles slab leak repair in Houston; they diagnose the problem and quote the work before starting.

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Common signs

  • Warm floor spots
  • sound of running water
  • a spinning meter

Slab Leak Repair services in Houston

Problems slab leak repair fixes

  • A warm spot on the floor
  • The water meter moving with every fixture off
  • The sound of running water with nothing on
  • A water bill that jumped without explanation

Why slab leak repair comes up in Houston

Much of Houston's housing sits on slab foundations with water lines underneath, so leaks under the floor are a recurring call.

The typical Houston home was built around 1985 (1978–1995 era housing), when supply lines were usually copper or CPVC supply. That material and its age shape both where leaks appear and whether a spot repair or a reroute makes more sense.

Typical home built
1985
Homes before 1980
44%
Water hardness
6.4 gpg
moderately hard
Winter freezes
Occasional hard freezes

How the work is done

  1. 1Confirm a leakA meter test and pressure test confirm water is escaping.
  2. 2Locate itAcoustic and thermal tools pinpoint the leak under the slab.
  3. 3Choose the repairDirect access through the floor, rerouting the line overhead, or repiping.
  4. 4Test and restorePressure-test the repair before the floor is closed.

What affects the price

The plumbing company sets the price after seeing the job; ask for it in writing before work starts.

  • Leak location and depth
  • Spot repair versus reroute or repipe
  • Flooring removal and restoration
  • Pipe material
  • Permit requirements

Slab Leak Repair in Houston: questions

Why is slab leak repair a common call in Houston?

Much of Houston's housing sits on slab foundations with water lines underneath, so leaks under the floor are a recurring call.

How old are most homes in Houston?

The median home in Houston was built in 1985, and 44% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).

Does slab leak repair in Houston need a permit?

Usually, when piping changes; the plumber normally pulls it.

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

Warm spots on the floor, the sound of running water with everything off and a meter that keeps moving are the usual signs; a plumber can pinpoint it before opening the floor. In Houston: much of Houston's housing sits on slab foundations with water lines underneath, so leaks under the floor are a recurring call.

Who supplies water in Houston?

Houston Public Works. Past the meter, plumbing is the owner's.

Slab Leak Repair near Houston

More plumbing services in Houston

Local rules and details for Houston

Houston facts behind this page

For slab leak repair that changes or replaces piping, Houston's plumbing code and permit rules apply (see the source below). Ask the plumber whether your job needs a permit and who pulls it; a licensed plumber normally does.

  • The median home in Houston was built in 1985. [1]
  • About 44% of Houston's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
  • Houston's main water system is about 86.5% surface water, from the San Jacinto River (Lakes Houston and Conroe) and the Trinity River (Lake Livingston), and the rest is groundwater from deep wells. Hardness in the main system ranged from 43 to 137 ppm and averaged 110 ppm (about 6.4 grains per gallon). [2]
  • Houston enforces the 2021 Uniform Plumbing Code with Houston amendments, adopted by Ordinance 2023-907 and effective January 1, 2024. Permits and amendments are handled through the Houston Permitting Center. [3]

Other common plumbing calls in Houston

  • Sewer Camera Inspection: homes built before 1980 often have cast iron or clay sewer lines. A camera inspection shows their condition before a repair or a home purchase.
  • Frozen Pipe Repair: hard freezes are rare but damaging, as the February 2021 storm showed. Pipes in attics and exterior walls are the usual victims.
Sources (3)
  1. U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
  2. Houston Public Works, 2024 Drinking Water Quality Report · checked 2026-10-01
  3. Houston Permitting Center, Houston Amendments to the 2021 UPC · checked 2026-10-01
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