Plumber in Norwalk, CA

Last updated November 11, 2026

For plumbing help in Norwalk, CA, call (708) 350-9399 and ask whether your address is covered. Norwalk is northeast of Lakewood, in Los Angeles County, and was incorporated in 1957. Water comes from more than one provider: the Norwalk Municipal Water System, Golden State Water Company and Liberty Utilities serve different parts of the city. Norwalk uses ZIP 90650.

Who supplies water in Norwalk?

Norwalk gets its water from more than one provider: the Norwalk Municipal Water System, Golden State Water Company and Liberty Utilities serve different parts of the city, according to the Norwalk water service providers. The water provider owns and maintains the meter and the pipes on the street side of it. The service line from the meter to the house, and everything inside, belong to the property owner. So when there's a leak, the first question is which side of the meter it's on. A leak at the meter box or in the street goes to the water provider. A leak in the yard, the slab or the walls is a private plumbing repair.

Illustration of everyday plumbing repair in a Norwalk, CA home — Illustrative image, not a photo of a specific provider, crew or job.

What kind of homes and plumbing does Norwalk have?

Norwalk boomed in the 1950s with large tracts of single-story homes much like Lakewood's. Many of those homes are now past 70 years old and still have original drain and supply piping. Age shows up in predictable ways: galvanized or early copper supply lines that corrode or develop pinholes, clay or cast-iron sewer laterals that crack or let roots in, and water heaters that are past their expected service life.

Not sure what you need? Talk it through by phone.

Call (708) 350-9399

What's different about plumbing in Norwalk?

Norwalk's 1950s tracts share Lakewood's slab-foundation, galvanized-pipe profile, so repiping and slab leak questions come up often.

What are some Norwalk landmarks?

The D.D. Johnston-Hargitt House Museum on Mapledale Street. Source: Historic Norwalk.
Norwalk Park on Sproul Street. Source: Historic Norwalk and parks.
Cerritos College at Alondra Boulevard and Studebaker Road. Source: Cerritos College.

Who handles sewers and permits in Norwalk?

Public sewer mains are maintained by the city or a county sanitation or sewer district, depending on the area. The private lateral from the house to the main is generally the owner's responsibility. Report an overflowing manhole or street sewer to the agency listed by the City of Norwalk. Plumbing, sewer and water heater work usually needs a permit from the local building department. Ask your provider whether they'll pull it, and check any contractor's license with the California Contractors State License Board license check.

Which plumbing services can you call about in Norwalk?

You can also call about hydro-jetting, sewer camera inspection, toilet repair, faucet and sink repair, tankless water heaters, water pressure problems and the other plumbing services on this site. Some specialty services, such as gas lines, backflow preventers and commercial plumbing, aren't listed yet, but you can ask.

How does a call from Norwalk work?

Call (708) 350-9399 and describe what's happening, where in the house, and when it started.
Give your address or nearest cross streets in Norwalk, and ask whether your address and job are covered. We don't promise coverage for any ZIP code in advance.
Talk through next steps with the provider, including timing, what a visit involves and how pricing works. Prices are set by the provider, not by this website.

What should you have ready when you call from Norwalk?

Your address or nearest cross streets in Norwalk.
What's happening, where in the house, and when it started.
Which fixtures are affected, and anything you've already shut off.
The name of your water provider from your bill, if the problem might be at the meter.
For water heaters, the fuel type, tank size and approximate age from the label.

What should Norwalk homeowners check first?

Water bill jumped? Turn everything off and watch the meter's leak indicator for 15 to 30 minutes. See high water bill.
Several drains slow? Stop running water. It's probably the main line. See sewer backup.
No hot water? Check the gas valve, the pilot or the breaker. See no hot water.
Gas smell? Leave and call the gas company or 911 from outside.

Nearby areas

Neighboring service areas: Cerritos, Downey, and Lakewood itself, including 90712, 90713 and 90715. See all service areas.

Plumbing questions in Norwalk

Do you cover my address in Norwalk?

Call (708) 350-9399 and ask. This site takes calls from Norwalk and the other cities around Lakewood, but we don't list any ZIP code as guaranteed coverage, because availability depends on the provider, the type of job and timing. Have your address or nearest cross streets ready, plus a short description of the problem and anything you've already shut off. You'll hear on the call whether your address and job are covered. If they aren't, you'll know right away, without waiting for callbacks.

Who do I call about a leak at the water meter in Norwalk?

Water in Norwalk comes from more than one provider: the Norwalk Municipal Water System, Golden State Water Company and Liberty Utilities serve different parts of the city. Leaks at the meter, at the meter box or in the street belong to the water provider, so contact them first. Your bill names the provider. If the meter keeps moving after you've closed the house shutoff, the leak is probably in the buried service line between the meter and the house, which is the owner's responsibility. Leaks inside the house, in walls or under the slab are private plumbing repairs, and leak detection can find them with less digging.

Do I need a permit for plumbing work in Norwalk?

Often, yes. Replacing a water heater, repairing or replacing a sewer lateral, repiping and many other alterations usually need a permit from the local building department in Norwalk, and an inspection after the work. Minor repairs, like replacing a faucet cartridge or clearing a clog, generally don't. Ask the provider whether the permit is included and who arranges inspections. If you're doing any work yourself, check with the city's building department first. The city's official website is a good starting point.

Map of Norwalk

City-level map for orientation only. This site has no public office or street address.