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Running Toilets and Leaky Faucets in Los Angeles — When DIY Stops Working

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A running toilet sounds harmless. A dripping faucet is just a minor annoyance, right? Except that running toilet is wasting up to 200 gallons of water a day, and that “minor” faucet drip adds up to over 3,000 gallons a year. In Los Angeles, where water rates from LADWP have steadily increased over the past decade, ignoring these issues means watching money literally go down the drain.

Most homeowners and renters in LA try to fix these problems themselves first — and sometimes that works. A flapper valve replacement costs a few dollars and takes 10 minutes. But when the running doesn’t stop after you’ve replaced the flapper, or when a faucet drip keeps coming back no matter how hard you tighten the handle, the problem is usually deeper than a worn rubber seal.

When a Running Toilet Needs a Plumber

If you’ve replaced the flapper and the toilet is still running, the issue is likely a warped flush valve seat, a failing fill valve, or a crack in the overflow tube. In some older Los Angeles homes — especially those built before the 1980s — the toilet itself may be so outdated that replacement parts are no longer manufactured. At that point, replacing the entire unit with a modern low-flow model is the better investment.

Modern toilets use 1.28 gallons per flush or less. Older models use 3.5 to 7 gallons. The savings add up quickly, and many LADWP customers qualify for rebates when upgrading to WaterSense-certified fixtures.

Our toilet, faucet, and sink repair service covers everything from simple valve replacements to full fixture installs. We carry parts for the most common brands on our trucks, so most repairs are completed in a single visit.

Faucet Leaks That Keep Coming Back

A faucet that drips after you’ve replaced the cartridge or washer usually has a corroded valve seat, a worn O-ring, or mineral buildup inside the body of the faucet. Los Angeles tap water is moderately hard — calcium and lime deposits accumulate inside faucets over time, preventing a proper seal even with brand-new internal parts.

If you’re seeing white or greenish buildup around your faucet aerator or handles, mineral deposits are almost certainly affecting the internals too. We put together a maintenance guide on how to properly maintain faucets that can help you extend the life of your fixtures between service calls.

Don’t Overlook the Bigger Picture

Sometimes a leaky faucet is just a leaky faucet. But sometimes it’s a symptom of a broader residential plumbing issue — high water pressure that’s stressing fixtures and supply lines throughout the house, for example. If your pressure is above 80 PSI, it’s putting unnecessary wear on every valve, washer, and supply hose in your home. We covered how to check this in our post on how to test water pressure at home.

Flat-Rate Pricing. No Guesswork.

New Pro Plumbing serves all of Los Angeles, including Mar Vista, Palms, Venice, Del Rey, and Westchester. We give you a flat-rate price before we start, and we don’t charge by the hour. If the repair takes 20 minutes or 2 hours, the price stays the same.

Call (310) 663-7666 any time — we’re available 24/7 — or schedule your visit online.

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What Do Our Customers Say.

Sarah ISanta Barbara, CA
Miguel is professional, honest, pays attention to detail and leaves no traces. Finding a good and reliable plumber can be difficult - I'm so glad I came across New Pro Plumbing. I will most definitely be reaching back out to Miguel for future services. And I would highly recommend him to anyone.
David VydenCA
New Pro Plumbing is an excellent plumbing company. Miguel Lopez is very professional and explained my water heater problem in very simple easy to understand terms. The costs for services provided were very fair. He also provided me with additional tips on how to extend the life of my water heater as well as how to save on gas flow during warmer months free of charge. I would highly recommend New Pro Plumbing to anyone in need of a good honest plumber. I will be using their services again. Thank you
Laura GLos Angeles,CA
I hired Miguel to fix the mess that another plumber made when trying to install and connect a gas line for a fire pit. He was quick to respond and was very professional throughout the project. He showed up on time and took the time after he project to explain what he did. Thank you Miguel!
Shannon S.Los Angeles, CA
Miguel is professional, honest, pays attention to detail and leaves no traces. Finding a good and reliable plumber can be difficult - I'm so glad I came across New Pro Plumbing. I will most definitely be reaching back out to Miguel for future services. And I would highly recommend him to anyone.
J.A.Culver City, CA
We had a sink stop up that, despite our best efforts, couldn't be solved alone. So...I found Miguel via yelp and relied on the other great reviews on here. He, unlike everyone else we called, came out with no upfront service charge, on a Saturday evening and fixed our clogged pipes for a very reasonable cost. We are keeping his contact info on file and definitely plan to make him our go-to guy. Highly recommend
Phill HowittSanta Monica, CA
Miguel Lopez did a great job re-plumbing the whole house. He also replaced the main water line from the meter to the house. The quality of his work is very high. He is dependable, on-time and honest. I would hire him again, for sure
Christopher OvalCA
I had a late night plumbing emergency (kitchen pipe & faucet leak; water everywhere). Miguel responded within the hour and delivered thorough top notch repair work as well as provided an estimate for additional plumbing repairs for my bathroom...couldn’t have asked for a more professional experience
Rodgstrell B.
Rodgstrell B.Los Angeles, CA
Made a last minute late call to New pro Plumbing. Got an immediate response and quote within answering. I only had to wait about 20 minutes until they arrived. Miguel evaluated the problem and immediately got to work and unclogged my bathtub within minutes. The service and convenience of being open late was really awesome! and I highly recommend New Pro Plumbing. THANK YOU MIGUEL

Jan 27, 2026
Yaya C.
Yaya C.Los Angeles, CA
Miguel and his crew installed a new sewer line at my boyfriend's house and they were amazing! He was very informative every step of the way. Would definitely recommend them!

Feb 6, 2026

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