Leak Detection in Fontana, CA

A water bill that keeps climbing, a meter that spins with everything off, a damp wall, or the sound of running water at night all mean there is a leak somewhere. Drain Edge Rooter finds hidden leaks in walls, ceilings, yards, and under slabs, then repairs them with as little opening up as possible. We serve Fontana homeowners, landlords, and small businesses from our shop at 619 E South St, Rialto, CA 92376, next door to our shop, and owner Isaiah Infante runs every job under California C-36 plumbing contractor license #1078977.

Need leak detection in Fontana? Call (909) 927-3194. We answer the phone 24/7, and we will give you an honest time we can be there.

Leak Detection in Fontana: What We See

Fontana’s mix of housing means leak calls look different across town. Older south and central Fontana homes are more likely to have galvanized lines leaking inside walls or copper with pinhole leaks under the slab. In the north-side tracts we more often find failed fixture connectors, leaks at the water heater, and broken irrigation lines in large, heavily watered yards.

Fontana summers are long and hot, and a sprinkler leak can hide in a yard that is watered every day. Our first step is always to rule that out by isolating the irrigation and reading the meter. If the house side is leaking, we use pressure testing and listening equipment to find the spot before anything is cut.

Plumbing in Fontana Homes

Fontana borders Rialto, so we reach most of the city quickly from our shop on South Street. In Fontana, the south and central parts of town include a lot of mid-century homes on larger lots, while the north side is mostly tracts built from the 1990s onward. Neighborhoods we regularly work in include south Fontana along Valley Boulevard and Slover, the older blocks off Sierra Avenue and Arrow, central Fontana near Foothill, and the newer north-side communities like Hunter’s Ridge, Coyote Canyon, and Summit Heights. Water service comes from Fontana Water Company for most of the city, with some areas on Cucamonga Valley Water District or West Valley Water District service. Under and around these homes we typically find clay and cast-iron laterals and galvanized water lines in older south and central Fontana, and ABS sewer pipe with copper or PEX supply in the north-side tracts, and that history shapes how we approach every leak detection job in town.

Decades-Old Homes, Aging Pipe

Fontana’s housing boom took off in the 1940s, and many of its older neighborhoods date from that era and the decades that followed. Homes from those eras were plumbed with the materials of the day: cast-iron drains, clay sewer pipe, and galvanized steel water lines. Those materials did their job for a long time, but many of them are now well past their expected service life, which is why we find rusted-out cast iron, root-filled clay joints, and galvanized lines narrowed by corrosion in older Fontana homes. If your house is in one of the older parts of town and the pipe has never been replaced, it is worth knowing what is underground before it fails.

Signs of a Hidden Leak

Higher water bills with no change in how you use water
The meter moves when every faucet, toilet, and irrigation zone is off
Stains, bubbling paint, or soft drywall on walls and ceilings
Musty smells or mildew inside cabinets and closets
Warm spots on the floor, which can point to a hot-water line under the slab
Wet or sinking patches in the yard along the water service or irrigation lines
Low pressure or a water heater that seems to run constantly

How We Find It

We start with the simplest tests: reading the meter with everything off, isolating the house from the irrigation system, and checking toilets, the water heater relief valve, and fixtures for leaks that are easy to miss. If water is still moving, we narrow down where using pressure testing of the hot and cold sides, acoustic listening equipment that picks up the sound of water escaping a pressurized pipe, and moisture and thermal readings on walls and floors.

The goal is to mark the leak closely enough that we open one small, targeted spot instead of tearing out walls or concrete to search. When a leak turns out to be under the foundation, our slab leak detection page covers the repair options in detail.

Repair Options After the Leak Is Found

Direct repair of the failed section through a small opening
Reroute of a line through the attic or walls when going under the slab or into finished areas makes less sense
Partial or whole-home repiping when the pipe is failing in several places
Water service repair for leaks between the meter and the house (see water line repair)

We explain the tradeoffs and give you a written price before anything is cut. If the leak is on the utility’s side of the meter, we will tell you so you can call them instead of paying us.

Insurance and Documentation

If you plan to file a homeowner’s claim, we can document what we found with photos and a written description of the leak location and cause. Coverage decisions are up to your insurer, and we do not promise any outcome.

Related Services in Fontana

See all leak detection service areas, or our Fontana plumbing page.

Frequently Asked Questions

How can I check for a leak myself?

Turn off every faucet, appliance, and irrigation zone, then look at the water meter. If the dial or leak indicator keeps moving, water is going somewhere. Call us and tell us what you saw.

Do you have to break open walls or floors to find a leak?

We use testing and listening equipment to pinpoint the leak first, so any opening is small and in the right place. Some opening is usually needed to make the repair itself.

Can a running toilet look like a hidden leak?

Yes. A toilet flapper that leaks into the bowl can waste a lot of water quietly, and it is one of the first things we check.

Do you serve all of Fontana?

Yes. We cover Fontana from our Rialto shop, including south Fontana along Valley Boulevard and Slover and Summit Heights. Call (909) 927-3194 with your address and we will confirm timing.

Are you open 24/7?

Yes. We answer the phone around the clock. If we cannot get there right away, we will tell you honestly and book the earliest available time.

Leak detection in Fontana: local notes

We work across Fontana, including downtown along Sierra Avenue, North Fontana, Southridge Village, Sierra Lakes and Hunter’s Ridge. The area has homes going back to the 1940s, when the Kaiser Steel mill drew workers to the area, plus large tracts built since the 1980s.

In Fontana, hidden leaks often come from copper under slabs or older supply lines. Acoustic and pressure testing helps narrow the spot before anything is opened up.

Whether you are near Foothill Boulevard (old Route 66), Fontana Park and the former Kaiser Steel land on the south side or anywhere else in Fontana, we are open 24/7, so call anytime at (909) 927-3194.

Call Drain Edge Rooter in Fontana

Tell us what is going on and where you are in Fontana, and we will give you a clear plan and a written price before work starts. Call (909) 927-3194.

Drain Edge Rooter · 619 E South St, Rialto, CA 92376 · (909) 927-3194 · Open 24/7 · CA C-36 #1078977 · about 139 five-star Google reviews