210-504-9796
Veteran Owned
Slab leak repair showing exposed foundation pipes by C.S.W. Power Solutions licensed plumber in San Antonio
License #RMP37882

Slab Leak Repair in San Antonio

Slab leaks can cause thousands of dollars in damage if left undetected. C.S.W. Power Solutions provides professional slab leak detection and repair across San Antonio using advanced equipment to locate leaks accurately and repair them with minimal disruption to your home.

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Veteran Owned
& Operated
Licensed
& Insured
Est. 2016
San Antonio
Electrical Lic.#TECL31793
Plumbing Lic.#RMP37882
HVAC Lic.#TACLA26479R

Slab Leak Detection & Repair Services

C.S.W. Power Solutions provides comprehensive slab leak services for San Antonio homes. Our licensed plumbers (License #RMP37882) use electronic leak detection equipment, acoustic listening devices, and thermal imaging to pinpoint the exact location of leaks under your foundation — without unnecessary demolition.

  • Electronic slab leak detection
  • Acoustic leak location
  • Thermal imaging leak detection
  • Spot repair (direct access and repair)
  • Pipe rerouting through walls or attic
  • Epoxy pipe lining
  • Copper and PEX pipe repair
  • Concrete and flooring restoration coordination

Slab Leak Repair Process

Exposed slab foundation showing corroded copper pipes during slab leak repair in San Antonio
  • 01Detection: We use electronic and acoustic equipment to locate the leak without cutting into your slab.
  • 02Diagnosis: Once located, we determine the cause and recommend the best repair method.
  • 03Repair: We perform the repair using the least invasive method — spot repair, reroute, or lining.
  • 04Restoration: We coordinate concrete patching and flooring restoration to return your home to normal.

Why Slab Leaks Are Common in San Antonio

San Antonio sits on expansive clay soil that shifts with moisture changes. This soil movement puts stress on the pipes running under your foundation, causing joints to separate and copper pipes to develop pinhole leaks. Combined with San Antonio's hard water, which accelerates pipe corrosion, slab leaks are one of the most common plumbing issues in the area. If you have a slab leak, a water softener can help prevent future corrosion. Homes with galvanized or copper pipes older than 30 years may benefit from whole-house repiping to PEX, which is more resistant to both corrosion and soil movement.

When Slab Leaks Cause Bigger Problems

Undetected slab leaks can cause serious water damage including warped flooring, mold growth, and foundation damage. If a slab leak has already caused damage, C.S.W. Power Solutions handles the full restoration as a licensed general contractor — including insurance claim coordination. Our leak detection services can identify hidden leaks before they become emergencies.

Full-Service Contractor

C.S.W. Power Solutions is more than a plumbing contractor. As a licensed general contractor, we also provide electrical and HVAC services in-house. Projects that require multiple trades — like bathroom remodels or water damage restoration — are managed under one roof for faster completion and lower cost.

Related Plumbing Services

Plumbing Services

Full-service licensed plumber

Leak Detection

Advanced leak detection technology

Water Heater

Repair and replacement

Water Softener

Hard water solutions

Clogged Drains

Drain cleaning and repair

Repiping

Whole-house repiping

Plumbing Lic. #RMP37882HVAC Lic. #TACLA26479RElectrical Lic. #TECL31793
Slab Leak Repair

Frequently Asked Questions

Common signs of a slab leak include unexplained increases in your water bill, the sound of running water when all fixtures are off, warm spots on your floor, damp or wet carpet, cracks in your foundation or walls, and mold or mildew smell. If you notice any of these signs, call C.S.W. Power Solutions at 210-504-9796 for professional slab leak detection.
Slab leak repair costs in San Antonio typically range from $500 to $4,000 depending on the location and severity of the leak, the repair method used, and whether any concrete or flooring needs to be restored. C.S.W. Power Solutions provides a free estimate after diagnosis so you know the exact cost before any work begins.
Slab leaks in San Antonio are commonly caused by shifting soil and foundation movement due to the expansive clay soil in the area, corrosion of copper pipes from hard water and soil chemistry, poor original installation or low-quality materials, abrasion from pipes rubbing against concrete or gravel, and high water pressure. San Antonio's soil conditions make slab leaks more common than in many other areas.
In many cases, yes. C.S.W. Power Solutions uses multiple repair methods depending on the situation. Spot repair involves opening a small section of slab to access and repair the specific leak. Pipe rerouting runs new pipe through the walls or attic to bypass the damaged section entirely. Epoxy pipe lining coats the inside of the existing pipe to seal the leak. Our licensed plumbers recommend the least invasive method that provides a lasting repair.
Most homeowner's insurance policies cover the damage caused by a slab leak (water damage to flooring, walls, and personal property) but do not cover the cost of accessing and repairing the pipe itself. Coverage varies by policy. C.S.W. Power Solutions works with insurance companies regularly and can assist with documentation. If you need damage restoration, we handle that as a licensed general contractor through our insurance claims assistance service.
Most slab leak repairs are completed in 1 to 2 days. A spot repair on a single leak point typically takes 4 to 8 hours. Pipe rerouting may take 1 to 2 days depending on the length of pipe and access points. If concrete or flooring restoration is needed, that adds an additional day. C.S.W. Power Solutions provides a timeline estimate before work begins.

Suspect a Slab Leak?

Contact C.S.W. Power Solutions for professional slab leak detection and repair. Call 210-504-9796 or book online.

Free Estimates · Same-Day Service Available · Licensed & Insured

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