One Way Rooter & Plumbing has answered Paramount calls since 1979. Sewer laterals, drain stoppages, slab leaks, camera work and water heaters make up most of it, on houses and on the businesses along the boulevards. California contractor license #537893, bonded and insured. There is no charge for an estimate. Ring (562) 947-0110 while the office is open, or use that same number for an emergency at any hour.
Paramount Service Area
Paramount is a compact city and we usually have a slot for it the day you call.
- County: Los Angeles County
- ZIP codes: 90723
- Working in Paramount since: 1979
- License: CSLB #537893, bonded and insured
- Office hours: Monday to Friday 7:30am to 5pm, Saturday 8am to 12:30pm, Sunday closed. Emergency line answered 24 hours.
We work the whole of 90723, north and south of Alondra Boulevard, the old Hynes and Clearwater blocks, the streets off Paramount Boulevard and Rosecrans Avenue, the neighborhoods around Paramount Park and Progress Park, and the commercial frontage along Garfield Avenue. The cities on our border are covered the same week: Bellflower, Downey, South Gate, Lakewood and Long Beach.
Plumbing Problems in Paramount Homes
Houses Built on Old Dairy and Hay Land

For most of the first half of the last century this ground carried cows and hay. The towns of Hynes and Clearwater held one of the densest dairy concentrations in the country and traded enough feed to be called the largest hay market in the world, and the last Paramount dairy did not close until 1977. Housing filled in behind the agriculture, which puts a large share of the city’s homes in the postwar decades. Those houses were built on concrete slabs, with the water supply running under the floor. That single construction choice sets up most of what we get called for: a supply line that fails below a slab does not show a puddle, it shows a rising water bill, the sound of water in a quiet house, or a patch of floor warmer than the rest.
Pipes From the Original Hynes and Clearwater Grids
Paramount was assembled in 1948 out of Hynes and Clearwater, and it incorporated in 1957. The two town centers grew separately and the street pattern still shows it. For plumbing the consequence is that lateral length, lateral material and depth are not uniform across the city. Some blocks run clay to the street in short jointed lengths that soil movement has pulled apart, some run cast iron that has scaled down to a narrow bore, and some were replaced decades ago. A camera in the line answers that in ten minutes, and until it does, a quote on a sewer is a guess.
Additions and Converted Garages
Small postwar lots get built onto. A back bedroom, a second bathroom, a garage turned into a unit, a laundry moved out of the kitchen. Each of those added a drain and a vent to a system that was sized for the original floor plan. When the added fixture ties into an undersized branch or picks up a vent that does not carry, the symptom is a fixture that drains slowly and gurgles rather than one that stops outright. We trace what connects to what before cutting anything, because the fix for an added bathroom on a starved vent is not a cable down the drain.
Aging Shutoff Valves and Regulators
The main shutoff and the pressure regulator on a house of this age are frequently original. A gate valve that has sat open for fifty years seizes or fails to seal when it is finally needed, which turns a small repair into a bigger one at the worst moment. A regulator wears out and lets street pressure through, and the house complains in ways that read like other problems: a toilet that keeps running, a relief valve weeping at the water heater, a burst washing machine hose, a bang in the wall when a valve shuts. We put a gauge on a hose bib at the start of the call, because that one reading rules several things in or out.
Paramount Sewer and Drain Service

The lateral takes everything the house produces, so when it narrows, several fixtures report it at once. Two drains backing up together, or the tub gurgling while the washer empties, points past the branch lines to the main. Those calls open with a sewer camera inspection: the pipe interior goes on a screen and the footage counter marks the fault. From there the choice is between clearing roots at a joint, a section sewer line repair, a trenchless repair that leaves the driveway and the front lawn intact, and a full sewer line replacement. We put a camera in first every time.

Individual fixtures are separate work. Drain cleaning handles the kitchen line that has silted up with grease, the shower that fills to the ankles, the trap holding a ring of debris, the toilet that stopped taking water after something went in it, and the floor drain in a service porch. Cabling a line makes an opening through the blockage and leaves the film on the pipe wall that grew it, so a cabled kitchen line commonly returns within a year. Hydro jetting cuts that film off with water and gives the pipe its diameter back. A drain that stops on a schedule belongs under recurring clogged drains, and for a single main line clearing, rooter service is the call.
Slab Leak Repair in Paramount
Because so much of the city is slab construction, a leak in a copper supply line under the floor is common work here. Slab leak service starts with location. We listen for the escape acoustically and isolate pressure on each run to narrow it down, so the concrete only opens where the pipe actually failed. Leak detection covers gas and irrigation lines as well, which occasionally turn out to be the real source of a meter that keeps turning.
Why the Pipe Gives Out

- Corrosion from the surrounding soil eating through copper from the outside
- Wear at any point where the line rests against gravel, rebar or the concrete itself
- Seasonal soil movement and seismic shift folding or splitting a run
- Original workmanship, such as a line laid over a sharp edge or a weak solder joint
Once located, the repair options go on the table with prices before a saw comes out. A first leak in otherwise good pipe can be spot-repaired through a small opening. Where the same run has already failed once, or where an original galvanized line is still buried, we usually reroute overhead or replace the run through a copper repipe, since a third trip into the floor costs more than doing the run once. Failures between the meter and the house are water line repair or a water line replacement.
Water Heater Service in Paramount

Water heater repair starts with finding the failed part, since a heater that needs a thermostat and a heater that needs replacing present the same way. A dip tube that has split releases incoming cold at the top of the tank, so cold water leaves through the hot outlet and plastic pieces turn up in the aerators. Scale coats an electric element until it burns through. Thermostats fail or slip off setting, and 120 degrees is where we leave them. Burners, gas control valves and relief valves fail into lukewarm water, pressure changes, or a pilot that will not hold.
Local water carries a lot of dissolved mineral, and heating it puts that mineral on the floor of the tank and on the element. On a gas heater the layer on the bottom keeps the flame’s heat from reaching the water, so the burner runs long and the steel above it overheats. That is the shortest path to an early failure, and it is why gas tanks around here usually get 6 to 8 years and electric tanks 8 to 10. Flushing the tank once a year clears most of the deposit, and a softener stops it forming. When the tank itself has gone, the signs are rumbling from sediment, rust at the cold inlet or the relief valve, or seepage through the tank wall, which cannot be patched. We read the build date off the serial number so you know the age before deciding, and we handle both tank swaps and tankless installation.
Other Plumbing Work We Do in Paramount

- Leaking pipes and pipe replacement
- Toilet repair and replacement
- Garbage disposals
- Fixture and line installation for additions and remodels
- Plumbing maintenance and inspections
- Commercial drain cleaning for Paramount shops and restaurants
- Emergency plumbing, answered 24 hours
Paramount Plumbing FAQ

How fast can you be here?
Call during office hours to schedule an appointment. Once the office shuts, the emergency line reaches a plumber who will tell you on the call whether it needs attention tonight.
What are the office hours?
7:30am to 5pm Monday through Friday, 8am to 12:30pm on Saturday, closed Sunday. The emergency line is picked up 24 hours a day, including Sundays and holidays.
Can you come Saturday?
Yes. Saturday mornings up to 12:30pm are booked as normal jobs. Sunday is handled through the 24-hour line as emergency work only.
Do you charge for an estimate?
No. We look at the job and give you a price before starting, free of charge. Diagnostics that require equipment, a camera run down a lateral for example, are priced up front so you can approve them first.
Are you a licensed contractor?
Yes. One Way Rooter & Plumbing holds California contractor license #537893 and carries a bond and insurance. The number is on public record with the CSLB if you want to verify it.
Do you work the whole city?
Yes, all of 90723 including both the Hynes and Clearwater sides, everything off Paramount Boulevard, Rosecrans Avenue and Alondra Boulevard, and the industrial and retail frontage. Neighboring Bellflower, Downey and South Gate are also on the route.
Do you take commercial work in Paramount?
Yes. Restaurant grease lines, restrooms, water heaters and main line stoppages in retail and light industrial buildings are regular work for us. Ask for commercial plumbing when you call and we will schedule around your open hours where we can.
My sewer keeps backing up every few months. What is going on?
A line that closes again on a regular interval is telling you the pipe has a defect that keeps catching debris. Roots coming through a separated clay joint are the usual answer, and a belly holding standing water or a broken section are the next two. Cabling it clears the symptom for a while and leaves the defect in place. A camera run shows which of the three you have and where it sits, and that decides whether the line needs cleaning, a repair at one point or replacement.
Call a Paramount Plumber
Call (562) 947-0110 to schedule a plumber in Paramount, or reach us through the contact page. If a line has burst, a sewer is backing up, or the water is off at midnight, use the same number and ask for the emergency plumber line.
