Leak Detection & Slab Leak Repair in Las Vegas, NV
Water bill climbing? Warm spot on the floor? Electronic leak detection pinpoints hidden leaks — including under-slab leaks — without tearing your home apart.
📞 Call (702) 555-0134Electronic & acoustic detection • Thermal imaging • Pinpoint accuracy
Slab Leaks: The Las Vegas Homeowner's Hidden Enemy
Nearly every home in the Las Vegas valley sits on a concrete slab with water lines running through or beneath it. That construction style meets two local stressors: aggressive hard water that corrodes copper pipe from the inside until pinholes form, and desert soil movement that flexes buried lines through decades of heating and cooling cycles. Homes built from the 1970s through the 1990s — a huge share of Spring Valley, Paradise, Green Valley, and East Las Vegas — are squarely in the failure window now.
A slab leak wastes water invisibly, undermines the foundation, wicks moisture into flooring and drywall, and in the desert's dry air can go unnoticed for months. The first clue is usually the water bill.
Signs You Have a Hidden Leak
- A water bill jump with no change in household habits
- Warm spots on the floor — the signature of a hot-side slab leak
- Sound of running water when every fixture is off
- Water meter spinning with the house shut down — an easy DIY check
- Damp carpet, cupped wood flooring, or moist baseboards
- Low water pressure at multiple fixtures
- Musty smells — rare in desert homes, so take them seriously
- Cracks appearing in tile or slab edges
How Detection Works
Modern leak detection is precise, not exploratory. Technicians isolate sections of the plumbing under pressure to confirm which line is losing water, then use acoustic listening gear to hear the leak through the slab and thermal imaging to map temperature differences. The result is a marked spot on your floor, typically accurate to within a foot or two — so the repair opens one small patch of concrete instead of trenching a hallway.
Repair Options After the Leak Is Found
Direct access: open the slab at the marked spot and repair the pipe. Best for a first-time leak in an otherwise healthy line. Reroute: abandon the leaking under-slab section and run a new line overhead through walls and attic. Best when the slab shouldn't be disturbed. Repipe: if this is the second or third leak, the rest of the line is telling you something — a whole-home repipe stops the pattern for good.
What Leak Detection Costs in Las Vegas
| Job | Typical range |
|---|---|
| Electronic leak detection | $150 – $500 |
| Slab leak repair (direct access) | $1,000 – $3,000 |
| Line reroute (overhead) | $1,500 – $4,000+ |
| Irrigation / yard line leak repair | $200 – $800 |
Ranges are typical market figures, not quotes. The contractor confirms exact pricing after detection, before any repair begins.
Related Services
Leak Detection FAQs
How do I know if I have a slab leak?
Classic signs: a water bill that jumps with no change in habits, warm spots on the floor (hot-line leaks), the sound of running water when everything is off, damp baseboards or flooring, low water pressure, and a water meter that spins with all fixtures closed. Any two of these together justify a professional leak detection.
How is a leak found without tearing up the house?
Technicians use electronic acoustic listening equipment, line-pressure isolation testing, and thermal imaging to pinpoint the leak's location — usually within a foot or two — before any concrete is opened. You pay to fix one small spot, not to explore.
How much does slab leak repair cost in Las Vegas?
Detection typically runs $150–$500. Repairs depend on approach: a direct-access repair through the slab runs $1,000–$3,000, while rerouting the line overhead runs $1,500–$4,000+. If a home has had multiple slab leaks, a whole-home repipe often makes better financial sense than repairing leaks one at a time.
Why are slab leaks so common in Las Vegas?
Almost every valley home is built slab-on-grade with copper water lines in or under the concrete. Las Vegas's aggressive hard water corrodes copper from the inside (pinhole leaks), while soil movement and decades of thermal expansion stress the lines from outside. Homes from the 1970s–1990s are in the prime failure window now.
Suspect a Hidden Leak? Every Day Costs You.
Pinpoint detection across the Las Vegas valley — before the damage spreads.
📞 Call (702) 555-0134