01
Leaks turning up in several places
Whole-house repipes
Copper or PEX, once the original supply is worn out. We sequence it so the water's off for hours and you can stay home.
Thousand Oaks · Slab leaks
Slab leak repair
in Thousand Oaks
Slab leak repair in Thousand Oaks, ten minutes from the shop in Westlake Village. Most Conejo Valley houses built between 1965 and 1990 have copper water lines in the slab. That copper is fifty years old and starting to fail.
Call (805) 330-3111
Request a visit
Dan picks up when he can and calls back the same day. You get the price before we start. Monday to Friday, 9am – 5pm.
Licensed
CSLB #339618
Insured
Bonded and insured
Since 1977
49 years, two generations
On Google
5.0 stars
Around here
In Thousand Oaks
Most slab leaks in Thousand Oaks come from the sixties and seventies tracts off Erbes Road and along Westlake Boulevard, with the copper in the concrete. Lang Ranch houses are thirty years younger and rarely have one. Once the leak-locating specialist we bring in marks the spot, it's a spot repair or a reroute overhead.
Neighborhoods: Lang Ranch, Sunset Hills, North Ranch, the Westlake side of the boulevard, the older tracts off Erbes Road.
02
A water bill that jumped
Slab leaks
We find it first. One bad spot and the start of a pattern are very different jobs.
Call about any of these (805) 330-3111 Mon–Fri 9–5 Request a visit →
The job
How it goes
A slab leak is a water line leaking under or inside the foundation. Soil, concrete, high pressure and hard water all wear the copper thin, and hot lines go first.
We isolate the line with the meter and gauges, and the leak-locating specialist we bring in marks the spot within a foot or so, plus any post-tensioned cables. A spot repair opens the floor there and replaces the bad section. A reroute abandons the line under the slab and runs a new one through the attic, leaving nothing in the concrete.
One leak on a sound line is a spot repair. A second leak within a year or two means the pipe is done, and a reroute beats opening the floor again. We'll tell you which you've got.
Call if
What you notice,
and what it usually is
01
A warm patch on the floor
A hot line leaking under the slab.
02
The meter turns with everything off
A pressurized leak. If nothing's visible, it's usually the slab.
03
Damp carpet or lifting floors with no fixture nearby
Water coming up through the slab.
04
The water heater runs all the time
Hot water's leaking out, so the tank never catches up.
05
A second leak a few months after the first
The line is failing. Time to talk about a reroute.
Four steps
How a job goes
-
01
You call
Dan picks up when he can and calls back the same day. Tell him what it's doing.
-
02
We look
We come out, find the cause and show you, with the old part in hand when there is one.
-
03
You get a price
Before anything starts. Repairs are time plus parts. Bigger jobs get a written bid.
-
04
We do the work
Small repairs usually get done the same visit. Bigger jobs get a start date we keep. Permitted where needed, and the house left clean.
Common questions
Slab leaks in Thousand Oaks: things people ask
- How fast can you get to the east side of Thousand Oaks?
- Often the same day. It's ten minutes from the shop. Call and Dan will give you a time.
- Does the oak tree ordinance affect a sewer repair?
- It can. The city protects oaks and their root zones, so a trench can't always take the shortest route. We locate the line from the surface and plan around the trees first.
- Do you have to break up the floor?
- For a spot repair, one opening about the size of a coffee table. A reroute runs overhead and doesn't touch the floor.
- How long is the water off?
- A spot repair is usually a day. A one-line reroute takes one to two days, with the water off only while we connect each end.
- Will my insurance cover a slab leak?
- Many policies cover the damage and the access work. The pipe usually isn't covered. We give you photos and a written scope for the adjuster.
Other questions (805) 330-3111 Mon–Fri 9–5 Request a visit →
Google reviews
What people say
5.0 ★★★★★ 8 reviews on Google
★★★★★
“Outstanding work! Did a terrific job of diagnosing the issue over the phone prior to repair. Plumber was on time and on point. Work was done quickly and thoroughly. Figured out the most straightforward way to fix the problem and got it done. Small footprint, quick results, up and running in no time. Would absolutely recommend.”
★★★★★
“The absolute best plumber in Los Angeles!”
Nearby
More in Thousand Oaks
- Plumber in Thousand Oaks Everything we do in Thousand Oaks.
- Leak detection in Thousand Oaks Tracking down a leak on the east side of Thousand Oaks depends on the neighborhood.
- Water heaters in Thousand Oaks The late-nineties Lang Ranch houses in Thousand Oaks are all coming up on their second water heater at once.
- Drain cleaning in Thousand Oaks Thousand Oaks protects its oaks by ordinance, and that matters for drain cleaning when a clog turns out to be in the sewer.
- Sewer camera & repair in Thousand Oaks In Thousand Oaks, a sewer camera inspection shows where the line has failed and whether a repair can stay out of a protected oak root zone.
- Repiping in Thousand Oaks Repipes in Thousand Oaks come from the older east-side tracts, where sixties and seventies copper has pinholed more than once.
- Gas lines in Thousand Oaks Most gas line jobs on the east side of Thousand Oaks lately have been outdoor kitchens and fire pits.
- Repairs in Thousand Oaks On the east side of Thousand Oaks, plumbing repairs are mostly small and usually take one visit.
- Tankless in Thousand Oaks Tankless work in Thousand Oaks is mostly conversions, and the gas line from the meter gets upsized for a whole-house unit.
- Pressure regulators in Thousand Oaks Pressure regulators in Thousand Oaks hold back street pressure that comes in above the 80 psi the code allows on the east side, and higher above Lang Ranch. When one fails, fill valves, angle stops and faucet cartridges go one after another. In December 2025 a shower valve here needed a new cartridge and the regulator had failed too, so we replaced both.
Slab leaks nearby: Westlake Village · Agoura Hills · Oak Park · Lake Sherwood
Request a visit
Leave your details and Dan will call you back
Name, number and what it’s doing. It goes to Dan, and he calls back to set a time, usually the same day. If it’s leaking right now, skip the form and call (805) 330-3111.
If the form doesn’t load, open it in a new tab or call (805) 330-3111.
Slab leaks · Thousand Oaks
Tell Dan what
it’s doing
Most problems get sorted out on a short call. Ten minutes from the shop. Monday to Friday, 9am – 5pm.