Leak Detection & Plumbing Repair in Valley Village

From a damp cabinet under a sink to a shower valve that needs replacing, Mr. Pipe Plumbing repairs leaks in Valley Village homes. About 6 in 10 homes there sit in buildings of five or more units, Census Bureau figures for 2024 show, so before fixture work in an apartment starts, we find out whether that one fixture's water can be shut off on its own.

  • Based in Studio City, CA
  • CSLB C-36 #1087910
  • Mon–Fri 6 AM–6 PM
  • Sat 7 AM–4 PM
Copper water lines and fittings beside a black drain stack inside a square opening cut in a textured wall
Copper water lines and a drain stack in an opened wall
Photo not attributed to a specific job.

In Valley Village

Whose water goes off when a valve comes out

Behind a shower handle sits a valve, and at one Valley Village property the valve was the job. An old valve came out and a Moen single-handle valve took its place. Whatever goes in has to join the plumbing already there; on that job, the copper connections were updated too.

Replacing a valve means stopping the water to it first. Census Bureau counts for 2024 (five-year American Community Survey) put about 63% of the homes in Valley Village's ZIP-code area in buildings of five or more units, with roughly a third of all homes, about 34%, in buildings of 20 units or more.

In a building like that, the shutoff for one bathroom may also serve the unit next door or the ones above it. So before a valve or fixture comes out of an apartment, we ask the manager which homes lose water when it's shut off, and when that can happen.

Sources U.S. Census Bureau, ACS 2024 5‑year, table B25024 (units in structure); Mr. Pipe Plumbing Google owner update: Moen Shower Valve Replacement in Valley Village.

When the fixture is the problem

A toilet that runs on its own or a faucet that drips after it's shut is a fixture problem, and the source is right there to see. That makes it a plain service call: there's nothing to search for, so the visit goes to the fix. What we work out is whether the fixture, or the valve behind it, can be repaired in place or should be replaced, and what a replacement would have to connect to. If it's a rental, the owner or manager hears the options and approves the one that goes ahead, while the tenant tells us how long the problem has been going on.

A few useful answers

For anything else, talk to our office.

Call (310) 866-7715
Our water bill suddenly jumped. Could it be a leak?

A jump in the bill can mean a leak if nobody is using more water. Start with the toilets: one that refills on its own sends water through the meter each time. Then look under the sinks, at the base of the water heater and behind the washer. If all that is dry, the leak may be out of sight, and finding it becomes the first part of our visit.

How can I tell if there's a leak I can't see?

Hidden leaks leave marks: a stain or soft patch on a ceiling or wall, a cabinet floor that never quite dries, a meter dial that turns while every tap is closed. Those show that water is escaping. Finding where it comes from is our part: we start at the mark and follow the water back until we reach the source or can tell you it lies beyond our reach.

There's a stain on my ceiling. Do I call a plumber or a roofer?

Look at what's above the stain. If it sits under a bathroom, kitchen, laundry or water heater, or it grows on days without rain, call a plumber first. If it appears only after rain with roof directly overhead, start with a roofer. In a Valley Village apartment, the plumbing above may belong to the unit upstairs, so the manager may need to let us in there.

What LADWP and the City's water rules say about leaks

LADWP bills residential and multi-residential customers every two months, so the bill is a slow way to notice a leak. To see charts of past use, LADWP says to log in to your account and choose Analyze My Usage. Its advanced-meter rollout replaces electric meters; for water, LADWP says the meters will not be replaced and will continue to be read by meter readers.

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The leak check LADWP gives its customers is to shut off all the water indoors and outdoors and then look at the water meter: movement on the meter's leak detection gauge, with everything off, means there is a leak. For toilets, it suggests putting some food coloring in the tank. If the color seeps into the bowl without a flush, LADWP says the toilet has a leak that should be repaired at once.

LADWP also puts numbers on small leaks. Its leak guidance, as it read in October 2026, says running toilets and leaky faucets can waste up to 10,000 gallons of water a year per household, and another LADWP page says a toilet you can hear running when nobody has flushed could be wasting 200 gallons of water or more every day.

Two more LADWP notes concern fixtures. It says the chlorine or chloramine in tap water breaks down, over time, the rubber inside the braided flexible hoses that connect fixtures to the water supply, and that small black, sooty specks in the water are probably from the inside of such a hose. Its fix is to replace the hose, and it notes that newer hoses have a lining that resists the disinfectant, marked on the label. It also says mineral scale is not a health concern but can clog washing-machine inlet screens, showerheads and faucet aerators. Because there is no practical way to remove scale from inside pipes, LADWP says re-piping may be worth considering if the problem is severe.

Through the Metropolitan Water District's SoCal WaterSmart program, LADWP listed two related rebates in October 2026. One covers a qualifying water-flow leak-detection device installed on customer property; applicants must be single-family customers with reliable Wi‑Fi and a smartphone or tablet, and devices installed on the utility meter do not qualify. The other is for residential customers in buildings of one to four units who replace a toilet that uses 1.6 gallons per flush or more with a qualifying model that uses 1.1 gallons per flush or less. LADWP says the program can change or end without notice. Under the City of Los Angeles water-use restrictions that LADWP publishes, all leaks must be repaired in a timely manner.

What the Metropolitan Water District says about leak monitors

The Metropolitan Water District's SoCal WaterSmart program runs a pilot rebate for flow monitor devices, which track a home's water use and can help detect leaks. Funding is limited. When its page was checked in October 2026, MWD also said not every device qualifies in every area, and it sent applicants to its online rebate estimator, and those who are not eligible to their local water agency.

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Installation varies by device. Some can be put in by the homeowner; MWD's product notes say others must be installed by a plumber. Either way, the device has to be installed and activated before the rebate application goes in, and MWD may inspect it. If a contractor buys the device for the customer, the contractor's paid receipt or invoice is what the customer submits. Contractors and other third parties cannot claim the rebate themselves.

Homes with automatic residential fire sprinklers need care here. MWD warns that installing a leak detector the wrong way could hinder the sprinklers: a plumbed leak detection device belongs only on the domestic water line after it splits from the fire sprinkler system, never on the home's incoming water line upstream of the sprinklers. Its advice is to consult a licensed plumber.

Toilets fall under the same program. SoCal WaterSmart accepts only one toilet rebate application per customer, so anyone replacing several toilets has to list them all on a single application.

Know what happens next

  1. Discuss and assess

    Our goal is to identify the cause of the problem and recommend an appropriate repair based on the plumbing condition, accessibility, and scope of work.

  2. Findings and estimate

    We assess the issue, explain our findings, and provide an estimate before any approved work begins.

  3. Work completed and confirmed

    After approved work is completed, we test the repaired or installed plumbing where applicable, explain the completed work, and provide the customer or authorized contact with the appropriate service documentation.

Pricing depends on the plumbing condition, accessibility, materials, and actual scope of work. If additional work is discovered, it will be explained and approved before proceeding.

In our customers’ words

Read more reviews

Reviews of Mr. Pipe Plumbing. These reviews are not attributed to a job in Valley Village.

★★★★★Google
“Zlatko and his team are the absolute best!! He has done a few jobs for us over the years and every time he is efficient and gets the job done. He has done things other plumbers have not been able to figure out and he is truly a man of his word. So glad we found him, we’d never use another plumber! Recommend him without any hesitation!!”
Gina NGoogle Reviews
★★★★★Yelp
“From top to bottom, this is a great company ! From the way they explained all the work to be done to their team making sure you knew exactly what to expect. They did a great job with the drain system repipe. They went the extra mile to make sure everything was done correctly and expeditiously. Thank you Zlatko and Team”
Tammy M.Yelp Reviews

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