Slab Leak Detection & Repair in Fontana
Fontana slab leak detection and repair for post-war homes and newer tracts like Sierra Lakes. We pinpoint the leak first, then explain every repair option.
Fontana's homes fall into two broad groups. Central and south Fontana grew up around the Kaiser Steel mill after 1942, and many of its modest post-war houses are now 60 to 80 years old. Later master-planned communities like Sierra Lakes in the north and Southridge Village in the south were built on concrete slabs and plumbed mostly with copper or PEX.
Slab leaks turn up in both. In the newer tracts, it's usually a copper line under the floor that has worn through. In post-war homes, the plumbing may be a mix of original galvanized pipe and later copper repairs, so the leak could be in a patched joint rather than the original line.
Serving Fontana 24/7
- A real person answers, day or night
- Up-front pricing before any work
- CSLB Lic. #798425
- IICRC-certified restoration crews
What's different about slab leak detection & repair in Fontana
Copper under the slab in master-planned tracts
Sierra Lakes, Southridge Village and similar neighborhoods have copper supply lines in or below the slab. Hot water lines move slightly every time they heat and cool, and where they rub against concrete or gravel, that wear can become a pinhole leak years down the road.
Mixed piping in post-war homes
Many older Fontana houses have been repaired one section at a time. Where galvanized steel meets copper without the right fitting, corrosion speeds up at the joint. A leak in one of these homes may point to a weak connection rather than a failing slab line, and that changes the repair.
Several water providers, one address lookup
Fontana Water Company serves most of the city, but Cucamonga Valley Water District, West Valley Water District and other agencies cover some neighborhoods. The City of Fontana has an online map that shows who serves your address. Fontana Water Company measures usage in Ccf - units of 100 cubic feet, or 748 gallons - so a jump of even two or three units deserves a second look.
Hard water and overworked water heaters
Water across the Fontana area is hard enough to leave scale in water heaters. Add a leaking hot line under the slab, and the heater refills and reheats around the clock. A heater that runs constantly, plus a higher gas bill, points toward the hot side.
Signs it's time to call
- Ccf usage creeping up bill after bill with no new pool, guests or landscaping
- A water heater that kicks on even when nobody has used hot water
- One area of floor that feels warm under bare feet
- Carpet pad that stays damp near an interior wall
- Weak pressure at the fixtures on one end of the house
How we handle it in Fontana
We confirm the leak with a meter check, isolate hot from cold, and pressure-test each side. Acoustic listening and thermal imaging then narrow down where the water is escaping, so if the floor does need to be opened, the cut is small and in the right place. For a Sierra Lakes home with its first leak, a spot repair or single-line reroute is often enough. For a post-war house with mixed old pipe, we'll be upfront that a repipe may save you from chasing one leak after another.
Water that has seeped into flooring or drywall needs drying guided by moisture readings, not just fans. Our IICRC-certified techs can dry out and restore water damage in Fontana and documents the damage for your adjuster. Coverage varies: many policies cover resulting damage and the cost to reach the pipe but not the pipe repair, so check yours.
Fontana questions, answered
Who do I call about the meter if my Fontana bill looks wrong?+
Your water provider - usually Fontana Water Company, though some neighborhoods are served by other agencies. The provider handles the meter and everything on its side. If the meter shows water moving while every fixture is off, the leak is on your side of the meter, and that's the part we fix.
Does a 1950s Fontana house get slab leaks?+
It can, if it's built on a slab with pipe in or under the concrete. In homes that age, though, leaks are just as likely to come from corroded galvanized pipe or an old joint in the walls. We trace the system before calling anything a slab leak, because the right fix is different.
Is a reroute better than breaking up the floor?+
Often, especially under tile or wood. A reroute caps the leaking pipe and leaves it in place, then runs a new line through the walls or attic. It usually means some drywall patching but no concrete work.
Inland Empire neighbors trust First Call
4.8 from 35 Google reviews
“Jose was very knowledgeable and knew the area very well. Walked through everything with us and gave us suggestions and solutions. Would highly recommend.”
“Great price. Jose and his team did a great job unclogging and clearing my bathroom drain. Prior to him, I had three other plumbers out - First Call got it done.”
“Wonderful job! Jose was great! Prompt and stayed until the job was done!”
“Great price. We have used 3 different plumbing companies in the past that we weren't crazy about, so I decided to try this company - so glad I did. Jose provided fast, professional service.”
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