Leaks turning up in several places
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 · Leak detection
Leak detection & repair in Thousand Oaks
5.0 on Google (20 reviews) CSLB Lic. #339618 Family shop since 1977
Leak detection & repair in Thousand Oaks, ten minutes from the shop in Westlake Village. Some leaks you can see. Others show up as a high water bill, a warm floor or a stain that keeps coming back.
Dan picks up when he can and calls back the same day. You get the price before we start. Monday to Friday, 9am – 5pm.
- Ten minutes
- City of Thousand Oaks Building & Safety.
- One year on our labor. Thirty days on drain clearing.
- 91362, 91360, 91320
“Did a terrific job of diagnosing the issue over the phone prior to repair. Small footprint, quick results, up and running in no time.”
“When I called him out and he immediately came my house within 2 hours and did a really quick and great job for my bathroom.”
“Dan is consistent. Professional, on time, only does what is needed, experienced, easy to work with, clean, and smart.”
Around here
In Thousand Oaks
Tracking down a leak on the east side of Thousand Oaks depends on the neighborhood. In the sixties and seventies tracts off Erbes Road, it's copper in the slab. Up in Lang Ranch it's more often a failed regulator or an irrigation line on a big lot, so we separate the house from the irrigation first. On these lots that's often the answer.
Neighborhoods: Lang Ranch, Sunset Hills, North Ranch, the Westlake side of the boulevard, the older tracts off Erbes Road, central Thousand Oaks, Newbury Park.
A water bill that jumped
We find it first. One bad spot and the start of a pattern are very different jobs.
The job
How it goes
We start at the meter. If it turns with everything off, the leak is on the supply side. Then we isolate hot from cold, house from irrigation and branch from branch with gauges. Under a slab, the leak-locating specialist we bring in listens through the concrete and marks the leak, and any post-tensioned cables, before anyone cuts.
Around here it's usually pinholes in fifty-year-old copper, a slab leak, a failed shower pan leaking into the wall below, or a toilet seal. Irrigation shares the meter too, and it's often the answer when the bill jumps in summer.
If we can reach the pipe, we usually fix it that visit. Under concrete or behind tile, you get a written bid before anything's opened.
Call if
What you notice, and what it usually is
The water bill jumped for no reason
A supply leak. A ten-minute meter test narrows it down.
The meter turns with everything off
A leak somewhere between the meter and a fixture.
A warm spot on the floor
A hot line leaking under the slab.
A ceiling stain under a bathroom
A shower pan, toilet seal or drain joint. We find which before opening the ceiling.
Water running when nothing is on
A leak in a wall or under the floor.
Tell us what it’s doing and we can usually narrow it down on the phone.
Work in Thousand Oaks
Recent jobs
A shower leak that turned out to be pressure
A leaking shower valve got a new cartridge. The house's leak-monitor app showed high pressure, so we tested the regulator at the front of the house, found it had failed and replaced it.
From the blog
Job stories: leak detection
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
Leak detection in Thousand Oaks: things people ask
How fast can you get to Thousand Oaks?
Often the same day. The east side is ten minutes from the shop, and Newbury Park is the far end. 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 open walls or floors to find it?
Not to find it. The meter and gauges do that, and under a slab the specialist marks the spot. The repair may need one opening, marked before anything's cut.
Could it be the irrigation?
Often. Sprinklers share the meter, and a broken lateral or a valve that won't close looks like a house leak on the bill. We check irrigation first.
Does insurance cover this?
Policies vary. Most cover sudden damage and the work to reach the leak. The pipe itself usually isn't covered. We give you photos for the claim.
What people say
“Expert & precise repair, trusted to last. Excellent customer service skills, including exceptional cleanup. Truly, this plumbing company found the solution quickly in each and every case.”
“My 12 year old water heater started leaking yesterday so I texted him, and he called me right away to help me turn off the water and gas. And he was here next day with a new water heater installed.”
“Dan showed up right on time for our appointment. Much better service and pricing. We will definitely use Dan's Plumbing in the future.”
Nearby
More in Thousand Oaks
Plumber in Thousand Oaks
Everything we do in Thousand Oaks.
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 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.
Tell Dan what it’s doing.
Most problems get sorted out on a short call. Ten minutes from the shop. Leaking right now? Shut off the main, then call.
Or send the details and Dan will call you back. Monday to Friday, 9am – 5pm.