01
Work nobody can account for
Older lakeside houses
Plumbing of mixed vintage that several generations have extended. We work out what is there first, then repair or replace on what we find.
Lake Sherwood · Leak detection
Leak detection & repair
in Lake Sherwood
Leak detection & repair in Lake Sherwood, ten minutes, over the hill from the shop in Westlake Village. A leak you can see is the easy kind. The ones that show up as a water bill, a warm floor or a stain that keeps coming back take finding, and finding it properly is most of the job.
Call (805) 330-3111
Request a visit
Danny picks up when he can, and calls back the same day. You get the price before we start, and nobody here is on commission. Monday to Friday, 9am – 5pm.
Licensed
CSLB #339618
Insured
Bonded and insured
Since 1977
49 years, two generations
On Google
5.0 stars
In Lake Sherwood
What this job looks like
in Lake Sherwood
On a Lake Sherwood property the leak that matters is usually the quiet one: a line out to a guest house or the pool equipment, or an irrigation lateral, running for months before a bill gives it away. We isolate the house from every outbuilding and from the irrigation at the meter, then narrow it down. Gate clearance is arranged before we come.
Streets and pockets we work in: Sherwood Country Club, the lake, the Hidden Valley edge, the older lakeside streets.
If that is what yours is doing (805) 330-3111 Mon–Fri 9–5 Request a visit →
The job
How it goes
We start at the meter. With everything in the house off, a meter that still turns tells us the leak is on the supply side. From there we isolate: hot from cold, inside from irrigation, one branch from another, with the gauge on each. That narrows it to a line, and on most leaks that is enough to find it. When the leak is under a slab we bring in the leak-locating specialist we have worked with for years, who listens for it through the concrete and marks the spot, and the post-tensioned cables if the slab has them, before anyone cuts.
What we find, in this valley, is mostly the same few things. Pinholes in copper that has been in the ground or the slab for fifty years. Slab leaks, which have their own page. Shower pans that have failed and let water into the wall below. A toilet seal. Irrigation lines, which are on the same meter and very often the answer when the bill jumps in summer.
You get the leak located and marked, a plain explanation of what it is, and a price for the repair. Where the pipe is reachable the repair is usually done the same visit. Where it is under concrete or behind tile, the price is in writing before anything is opened.
Call if
What you notice,
and what it usually is
01
The water bill jumped for no reason
A leak somewhere on the supply side. The meter test finds which side in ten minutes.
02
The meter turns with everything off
Same. A leak under pressure, somewhere between the meter and a fixture.
03
A warm spot on the floor
A hot water line leaking under the slab.
04
A ceiling stain under a bathroom
A shower pan, a toilet seal, or a drain joint. Different repairs, so worth finding before the ceiling is opened.
05
The sound of water running when nothing is on
A leak in a wall or under the floor. This is the one we listen for.
Work in Lake Sherwood
From the invoice book,
names left off
-
March 2026
Irrigation leaks, all from high pressure
Several irrigation leaks on one property, every one of them caused by street pressure with nothing regulating it on that side. Installed a shutoff for the irrigation, a house shutoff, a pressure regulator and a relief valve, then repaired the leaks and replaced three sprinkler valves. Two visits.
How it goes
Four steps, and you have the price at step three
-
01
You call
Danny picks up when he can, and calls back the same day. Tell him what it is doing and where.
-
02
We look
We come out, find the cause and show you. In plain words, with the part in our hand where there is one.
-
03
You get a price
Before anything starts. Repairs are our time plus parts, and the bigger jobs get a written bid. Nobody here is on commission.
-
04
We do the work
Small repairs are usually done the same visit. Bigger jobs get a start date and a number of days, and we hold to it. Done to code, permitted where it needs it, the house left the way we found it.
Common questions
Leak detection in Lake Sherwood: things people ask
- Do you go through the gate at Sherwood?
- Yes. We call ahead with the truck and the name so the gate is expecting us. If you have an estate manager, they can set it up with us directly.
- How fast can you get to Lake Sherwood?
- Ten minutes over the hill from Westlake Village, so same day is usually realistic. For planned work on a large house we come out first and walk it.
- Will you have to open walls or floors to find it?
- To find it, no. Locating is done from the outside with the meter and gauges, and under a slab with a specialist locator who marks the spot. The repair may need one opening, and it is marked before anything is cut.
- Could it be the irrigation?
- Often. Sprinkler lines run off the same meter, and a broken lateral or a valve that will not close fully looks exactly like a house leak on the bill. We isolate the irrigation first for that reason.
- Does insurance cover this?
- Policies vary. Most cover sudden damage and the access work to reach the leak, and do not cover the pipe itself. We document what we find, with photographs and the video where there is one, so the claim has what it needs.
A question that is not here (805) 330-3111 Mon–Fri 9–5 Request a visit →
Google reviews
What people say
5.0 ★★★★★ 5 reviews on Google
★★★★★
“Dan is consistent. Professional, on time, only does what is needed, experienced, easy to work with, clean, and smart.”
★★★★★
“Dan's Plumbing did excellent job for us replacing our broken water pressure regulator. Quick response, good price, great quality of work. Will hire them again.”
2 of the 5, word for word. Read the rest on Google → Had us out? Leave a review →
Nearby, and related
More in Lake Sherwood,
and this job elsewhere
- Plumber in Lake Sherwood The whole town: what the houses are plumbed with, what people call about, the neighborhoods.
- Water heaters in Lake Sherwood Houses around Sherwood run two or three water heaters and a recirculation loop, and when one fails nobody is sure which.
- Tankless in Lake Sherwood Tankless installs at Lake Sherwood are usually conversions on large houses that already run more than one heater, with a recirculation loop that has to keep working afterward. Gas sizing from the meter is most of the job on a house this size; we test the line under pressure, fit isolation valves so the unit can be descaled yearly, and permit it through Ventura County.
- Drain cleaning in Lake Sherwood Drain work at Lake Sherwood is mostly the older lakeside houses, where the plumbing has been added to by a long succession of people and a slow drain can be a vent problem as easily as a clog. We clear it, camera it if it has happened before, and tell you what is down there.
- Repiping in Lake Sherwood A repipe on a large Sherwood house is mostly a matter of sequence: three water heaters, a loop, lines to outbuildings, and a household that needs water every evening. We map what is there first, write it down, and run the new lines in stages with the water back on each night. Permit and inspection through Ventura County.
- Repairs in Lake Sherwood Lake Sherwood is gated, so we clear the truck with the gate before the visit, and there are two of us at most, which keeps a repair from turning into a crew in your house. The work itself is the ordinary list: toilets, faucets, disposals, angle stops, hose bibs, shower valves, with the parts on the truck. The older houses around the water are the ones that take longer. Plumbing there has been added to by a long succession of people, so a repair often starts with working out what is there. Danny picks up when he can, and calls back the same day.
- Sewer camera & repair in Lake Sherwood Sewer lines at Lake Sherwood run to Triunfo Water and Sanitation District, and on lots this size the run from the house out to the main is a long one.
- Gas lines in Lake Sherwood Lake Sherwood properties run gas the way they run everything else, out to a guest house, the pool equipment and an outdoor kitchen, with a fire pit or a spa heater somewhere along the way. Long runs and several appliances mean the sizing comes off the whole load at the meter, so nothing at the far end starves. If you smell gas, leave and call SoCalGas from outside, and we take it from there. The line is black iron with a shutoff at each appliance, tested under pressure, permitted and inspected through Ventura County. Gate clearance is arranged before we come.
- Pressure regulators in Lake Sherwood Lake Sherwood properties often have more than one thing running off the main: the house, the irrigation, the pool equipment.
- Slab leaks in Lake Sherwood Lake Sherwood makes a slab leak harder to spot, because a property here has lines running out to a guest house, the pool equipment and the irrigation, and any one of them can turn the meter and lift a bill the same way. So we isolate the house from the outbuildings and from the irrigation first, then hot from cold, and narrow it to a line. Where it is under concrete, the leak-locating specialist we work with listens through the slab and marks the spot before anything is cut. Then a spot repair at that mark or a reroute overhead. Any permit goes through Ventura County.
Leak detection nearby: Westlake Village · Thousand Oaks · Agoura Hills · Oak Park
Request a visit
Leave your details, and Danny calls you back
Your name, your number and a line about what it is doing. It goes straight to Danny's phone and he calls back to set a time, usually the same day. If it is leaking right now, skip the form and call (805) 330-3111.
If the form does not appear, open it in a new tab or call (805) 330-3111.
Leak detection · Lake Sherwood
Tell Danny what
it’s doing
Describe the symptom and you will usually have an answer in two minutes. You get the price before any work starts. Ten minutes, over the hill from the shop. Monday to Friday, 9am – 5pm.