Slab Leak Detection & Repair in North Richland Hills, TX

Here’s what North Richland Hills homeowners should know about slab, water line, and sewer leaks, and how to get matched with a licensed local plumber. Fort Worth Leak Detection is a referral and matching service, not a plumbing company.

Aging pipes in established homes

Supply lines in many older NRH homes are copper, which can develop pinhole leaks over time depending on water chemistry and how much it moves against the slab. Some homes from the late 1970s into the 1990s were built with polybutylene supply pipe, which has a history of failures. Older drain lines under the slab are often cast iron, which corrodes and cracks from the inside over decades.

When a house has had one leak, it’s worth asking whether more are likely. A plumber can help you weigh another spot repair against a reroute or whole-house repipe that moves the water lines out of the slab for good.

Signs worth checking

• A climbing water bill with no change in household use
• Warm spots on the floor, or a water heater that runs constantly
• The sound of running water when everything is off
• Damp carpet, loose tiles, or musty smells along baseboards
• Slow drains, sewer odors, or backups in more than one fixture, which suggest the drain system

Start with the meter test on our slab leak detection page. It won’t catch drain leaks, because drains aren’t pressurized, but it’s the fastest way to confirm a supply leak.

Cast iron drains and sewer lines

If you have sewer smells or recurring clogs, a camera inspection shows the inside of the drain lines: cracks, scale buildup, root intrusion, or sagging sections. A hydrostatic test checks whether the under-slab drains hold water. Repair options range from replacing a section to lining or replacing the drain system. Ask to see the camera footage before you agree to anything. See water line and sewer leaks.

Leaks, clay, and foundations

Northeast Tarrant County clay moves with the seasons, and a long-running leak, especially a drain leak, can saturate the soil under part of a slab. If you’re seeing foundation symptoms along with a leak, fix the leak first. Our sister site Fort Worth Foundation Fix covers North Richland Hills foundation inspections. If water has already reached flooring or drywall, see water damage after a leak.

What happens when you reach out

1. You tell us what’s going on. Use the form or call or text. Include your North Richland Hills ZIP and what you’ve noticed: bill changes, sounds, warm spots, damp floors.
2. We match you. We connect you with independent, TSBPE-licensed local plumbers; we don’t perform the work ourselves.
3. A local pro will reach out to talk it through, explain any detection or service-call fee up front, and set a time if you want to go ahead.
4. You decide. There’s no obligation, and any agreement is between you and the plumber.

Before you hire anyone in North Richland Hills

• Look up the plumber’s license on the TSBPE public license search.
• Ask how they’ll locate the leak and how precise they expect to be before cutting concrete.
• Get the repair scope in writing, including who handles concrete, flooring, drywall, and permits.
• Ask about written warranties on the repair. Terms vary by company.
• Call your insurance company early if there’s water damage. See our insurance FAQ.

Costs and insurance in North Richland Hills

Leak detection is usually a paid service, and national cost guides put it at roughly $150–$400, with typical slab leak repairs around $630–$4,400 including detection (Angi, 2026). Those are national figures, and North Richland Hills quotes depend on access, repair method, flooring, and any water damage. Many homeowners policies help with sudden water damage and the cost of reaching the pipe, but not the pipe itself. Check your policy, and see our FAQ on signs, costs, and insurance.

Common questions