01
No hot water, or never enough
Water heaters
Tank or tankless, even in tight garage closets. We strap and vent it, pull the permit and haul the old one away.
Westlake Village · Tankless
Tankless water heaters
in Westlake Village
Tankless water heaters in Westlake Village, from the shop on Hillsbury Road. A tankless fires at four or five times the rate of a tank. With the gas line and venting done right, it runs twenty years.
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 Westlake Village
A tankless in Westlake Village usually hangs on the wall of a garage closet built for a 40-gallon tank in 1970. Most of the work is the gas line and the vent. In July 2026 we pulled two 50-gallon tanks here, one of them leaking, and put in a single large tankless. We tested every joint with a digital gas meter.
Neighborhoods: First Neighborhood, Westlake Island, North Ranch, Three Springs, Southshore, the streets off Lindero Canyon.
Call about any of these (805) 330-3111 Mon–Fri 9–5 Request a visit →
The job
How it goes
A standard tank draws about 40,000 BTU and a whole-house tankless draws 150,000 to 199,000, which the old half-inch line often can't carry. We upsize it from the meter, and sometimes the gas company upgrades the meter. Condensing units vent in PVC with a condensate drain, and non-condensing units need stainless vent.
We size by how many fixtures run at once and the incoming water temperature, around 55 degrees here in winter. Undersizing is the mistake we see most.
Our hard water scales the heat exchanger, so a tankless needs descaling once a year. The isolation valves we fit make that a half-hour job, on our installs or anyone's.
Call if
What you notice,
and what it usually is
01
Your tank is due for replacement
A tankless lasts about twice as long.
02
Hot water runs out with a full house
Sized right, a tankless won't run out.
03
No room in the closet for a bigger tank
A tankless the size of a carry-on hangs on the wall.
04
A long wait for hot water at the far bathroom
A recirculation loop fixes it, with or without a tankless.
05
Your tankless runs weak or lukewarm
Scale. A descale usually brings it back.
Work in Westlake Village
Recent jobs
-
July 2026
Two 50-gallon tanks, one of them leaking
Two 50-gallon heaters in a garage, with a puddle under one. Over two days we drained both, put in one large tankless unit with the gas and venting sized for it, and tested every joint with a digital gas meter.
-
April 2026
Earthquake and leak shutoffs at the front of the house
A seismic gas shutoff valve on the meter with a stabilizer bracket, and a smart water shutoff with a pressure relief valve on the main.
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
Tankless in Westlake Village: things people ask
- How fast can you get here?
- Often the same day. We're five minutes away, so a small job can sometimes fit between two others. Call and Dan will give you a time.
- Who pulls the permit?
- We do, through the City of Westlake Village, for water heaters, gas lines, repipes and remodels. The work gets inspected, and the paperwork stays with the house.
- Does the hot water ever run out?
- Not within its flow rate. Two showers at once is fine if it's sized right. Four is too much for any unit.
- Will it cut my gas bill?
- Some, since it heats only what you use. People switch for the space, the longer life and never running out.
- Can my existing gas line handle it?
- Usually not without changes. We size the line from the meter and tell you what has to change before you commit.
Other questions (805) 330-3111 Mon–Fri 9–5 Request a visit →
Google reviews
What people say
5.0 ★★★★★ 8 reviews on Google
★★★★★
“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.”
★★★★★
“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.”
Nearby
More in Westlake Village
- Plumber in Westlake Village Everything we do in Westlake Village.
- Leak detection in Westlake Village In Westlake Village, finding a leak usually starts with the water bill or a warm spot on the floor, since houses here went up from 1967 on with the water lines in the slab. We start at the meter and split off the irrigation, then hot from cold. Under a slab, the locator we work with marks the spot before anything gets cut.
- Slab leaks in Westlake Village Slab leaks are the most common serious leak we see in Westlake Village.
- Water heaters in Westlake Village Most Westlake Village water heaters sit in a garage closet built for a 40-gallon tank in 1970, which limits what fits and how it vents.
- Drain cleaning in Westlake Village Clearing a drain in Westlake Village means working in original cast iron or early ABS, with a sewer lateral about fifty years old.
- Repiping in Westlake Village A Westlake Village repipe is nearly always a house with its original copper in the slab that's started to pinhole.
- Pressure regulators in Westlake Village Westlake Village water comes from tanks on the hills, so on many streets it reaches the pressure regulator above the 80 psi the code allows.
- Repairs in Westlake Village Our shop is on Hillsbury Road, so small plumbing repairs in Westlake Village are the jobs we do most.
- Sewer camera & repair in Westlake Village Sewer laterals in Westlake Village are around fifty years old, cast iron or early ABS, and a camera inspection runs from the cleanout to the street.
- Gas lines in Westlake Village Gas line work in Westlake Village is mostly new runs to a BBQ or pool heater, plus upsizing from the meter for a tankless.
Tankless nearby: Thousand Oaks · Agoura Hills · Oak Park · Lake Sherwood
Request a visit
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Tankless · Westlake Village
Tell Dan what
it’s doing
Most problems get sorted out on a short call. The shop is here. Monday to Friday, 9am – 5pm.