A warm patch that keeps spreading
Warmer each day usually means a steady hot-line leak; closing the heater's cold supply confirms it.
Our slab leak detection in Spring Valley, NV follows a warm floor or a running sound back to the leaking line under the slab. Calls are answered 24/7, and your plumber opens one marked spot.
You speak with Leak Detection Las Vegas about what you are seeing, and we book a visit to locate the leak.

Leak Detection Las Vegas locates slab leaks in Spring Valley, NV homes, most often by tracing a warm spot on the floor back to a hot-water line under the slab, before any concrete is opened. Spring Valley is served by LVVWD, and its median home was built in 1998, according to Census ACS data.
More in our slab leak warning signs guide.

Warmer each day usually means a steady hot-line leak; closing the heater's cold supply confirms it.
Damp carpet edges can mean wet soil under the slab; moisture readings show which way it travels.
Firing with no hot water in use can mean a hidden hot-side leak; a pressure test settles it.
Acoustic listening along the floor finds the loudest stretch.
No heat or damp, but LVVWD's flow triangle moves: worth a visit, not an emergency.
LVVWD cuts watering to one day a week in winter, so a bill that stays high then deserves a meter check.
The repair stays with the plumber you choose.

The meter is read before and after the main valve is shut, then each side is tested alone.
Your plumber opens one marked area instead of chasing pipe room by room.
Concrete cutting, pipe repair and drying.
With nothing running, LVVWD's flow-indicator triangle should sit still.
Close the water heater's cold supply; if the triangle stops, the leak is on a hot line.
Thermal imaging shows the shape and edges of the heat.
The leak often sits off the warmest tile, because hot water spreads along the bedding first.
We tape the located point and show you the evidence behind it.
Where our Spring Valley, NV slab leak detection company differs from a glance at the floor.

We map the heat, then follow the line by sound.
Repairs are not on our service list.
You see the thermal patch, the pressure result and the taped point.
If testing points to the yard line or the heater, we say so and the slab stays closed.

| Trait | Hot-line leak | Cold-line leak |
|---|---|---|
| What you notice first | A warm patch, a heater that keeps firing | A running sound or a meter that will not settle |
| First test | Close the heater's cold supply and watch the meter | Pressure-test the cold side on its own |
| Tool that narrows it | Thermal imaging, then listening | Acoustic listening and line tracing |
| False lead | Sun through a window | Irrigation running mid-test |
Four things change how long a trace takes.

A warm patch narrows a hot-line leak faster; a cold line gives off no heat.
Tile, wood and carpet each change how sound and heat reach the surface.
Far bathrooms mean more buried pipe to follow.
Spring Valley calls get picked up 24 hours a day; an after-hours trace for a spreading leak is quoted differently.
Three conditions shape where a search starts.

Census ACS puts the Spring Valley, NV median year built at 1998, so roughly half its homes are that old or older, and fittings can wear.
A 2026 Las Vegas ZIP code guide reports that Spring Valley, NV is largely established 1990s and 2000s homes.
LVVWD water tests at 278 parts per million. Local plumbers report it is tough on hot-side fittings and heaters, though its link to pinholes is debated. Background: hard water pinhole leaks Las Vegas.
You speak with Leak Detection Las Vegas about what you are seeing, and we book a visit to locate the leak.

LVVWD decides eligibility; confirm current terms on its Customer Assistance Programs page (opens in a new tab).

| Rule | LVVWD terms |
|---|---|
| Who qualifies | Single-family residential property owners |
| Amount | Up to half the repair cost, capped at $2,000 per event |
| Minimum repair | $200 |
| How often | Once in a rolling 365 calendar days from the repair date |
| Proof | A paid invoice |
| Excluded | Tenants, ongoing leaks and rural service areas |

A single pinhole is often patched at the mark.
A line with repeat failures may be rerouted through walls or the attic, or replaced.
LVVWD's reimbursement asks for one; our findings explain the leak.

Contracting, or even bidding a job, while unlicensed is unlawful in Nevada; a third offense is a Class E felony.
The board's License Search and Disciplinary Search are public online.
A number painted on a truck is not proof; look up the company.

Slab leak tracing near you in Spring Valley, NV, reached along CC-215 and Rainbow Blvd.

Peccole Ranch straddles the line.
From meter split to taped mark.
Established 1990s and 2000s homes, per the same 2026 ZIP guide.
Landmarks and nearby places
Not always. A leaking hot-water line warms the floor, but radiant heat or a sunny window can mimic it, so the meter and hot-side tests come first.
Hot water spreads along the bedding under the slab first, so the warmest tile can sit off the leak. Following the line and listening finds the point.
Possibly. LVVWD reimburses eligible single-family owners up to half of a leak repair, capped at $2,000 per event; LVVWD decides.
Yes. All three Spring Valley, NV ZIP codes are covered, including the Peccole Ranch area of 89117.
Weekend and holiday calls are answered 24/7. Describe a spreading warm patch or water at the baseboards, and we schedule the Spring Valley trace while you are on the line.
Closing the heater's cold supply stops feeding a hot-line leak and shows whether the hot side is leaking. Turn off its power or gas as the manual directs.
Ring us the hour it starts: tell us where the floor feels warm and what the meter did, and we will schedule the trace.
We locate the leak; any plumber you choose repairs it.