How much does slab leak detection cost in Torrance or Los Angeles?
$250–$550. Thermal imaging jobs are at the top of that range, and we credit the full fee toward the repair if you hire us to fix it.
Leak Detection
Slab & Water Leak Detection in Los Angeles
Electronic leak detection in Los Angeles and the South Bay costs $250 to $550 and takes 1 to 2 hours. We locate slab leaks, pinhole leaks and hidden drips with acoustic and thermal equipment before anything gets opened, and we credit the detection fee toward the repair when you have us fix it. Slab leak repair itself typically runs $1,500 to $4,500 depending on whether we spot-repair or reroute the line.
What it costs in LA
$250 – $550 (credited toward repair)
- · Standard electronic leak detection: $250 – $450
- · Slab leak detection with thermal imaging: $350 – $550
- · Fee credited to the repair when we do the work
- · Slab leak repair after location: $1,500 – $4,500
How long it takes
1 – 2 hours
- · Isolate and pressure-test the system to confirm an active leak
- · Acoustic listening and thermal scan to pinpoint the location
- · Mark the spot on the floor and photograph the findings
- · Give you repair options and pricing on the spot
What's included
- System pressure test to confirm the leak
- Acoustic and thermal electronic location
- Exact spot marked — no exploratory demolition
- Photos and written findings for your insurance claim
- Repair options: spot repair, reroute, or repipe, priced upfront
- Detection fee credited toward the repair
Leak Detection pricing at a glance
| Service | Typical price | Time on site |
|---|---|---|
| Electronic leak detection | $250 – $450 | 1 hour |
| Slab leak detection (thermal + acoustic) | $350 – $550 | 1–2 hours |
| Slab leak spot repair | $1,500 – $2,800 | 1 day |
| Slab leak reroute | $2,500 – $4,500 | 1–2 days |
| Gas leak location and test | $250 – $500 | 1 hour |
Ranges reflect typical Los Angeles-area jobs. Your exact price is quoted flat and in writing before any work begins.
Common questions
What are the signs of a slab leak?
A warm spot on the floor, the sound of running water with everything off, an unexplained spike in your water bill, cracked flooring, or a meter dial that keeps moving.
Do you have to break the floor to find the leak?
No. Detection is non-invasive — acoustic and thermal equipment finds the spot. Concrete only gets opened at the marked location if you approve a spot repair.
Does homeowners insurance cover a slab leak?
Most policies cover the resulting water damage and access, though not the pipe itself. We provide photos and a written report to support your claim.
Ready when you are
Let's get your plumbing light years ahead
Call for same-day help or book a visit online. Upfront pricing before any work starts — always.