Fontana, CA · plumbing service
Slab Leak Repair in Fontana, CA
Most homes sit on slabs with copper under the floor. Call to be connected with an independent, licensed plumber who handles slab leak repair in Fontana; they diagnose the problem and quote the work before starting.
By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.- Licensed local plumbers
- Free call and referral
- You approve the quote first
Common signs
- Warm floor spots
- sound of running water
- a spinning meter
Slab Leak Repair services in Fontana
- Slab Leak RepairLocating and fixing leaks in pipes under the foundation.
- Leak DetectionHidden leaks behind walls, ceilings or floors, or a bill that suddenly jumps.
- RepipingReplacing old galvanized, polybutylene or failing copper lines.
- Water Line RepairLeaks and breaks in the main line from the meter.
Problems slab leak repair fixes
- A warm spot on the floor
- The water meter moving with every fixture off
- The sound of running water with nothing on
- A water bill that jumped without explanation
Why slab leak repair comes up in Fontana
Most homes sit on slabs with copper under the floor.
The typical Fontana home was built around 1992 (1978–1995 era housing), when supply lines were usually copper or CPVC supply. That material and its age shape both where leaks appear and whether a spot repair or a reroute makes more sense.
- Typical home built
- 1992
- Homes before 1980
- 23%
- Winter freezes
- Rare
How the work is done
- 1Confirm a leakA meter test and pressure test confirm water is escaping.
- 2Locate itAcoustic and thermal tools pinpoint the leak under the slab.
- 3Choose the repairDirect access through the floor, rerouting the line overhead, or repiping.
- 4Test and restorePressure-test the repair before the floor is closed.
What affects the price
The plumbing company sets the price after seeing the job; ask for it in writing before work starts.
- Leak location and depth
- Spot repair versus reroute or repipe
- Flooring removal and restoration
- Pipe material
- Permit requirements
Slab Leak Repair in Fontana: questions
Who do I call on a Friday in Fontana if water is coming up through my floor?
Fontana Water Company is closed Fridays; its after-hours line is (909) 428-8746. Meanwhile, shut off your main valve and have a plumber locate and repair the suspected slab leak.
Why is slab leak repair a common call in Fontana?
Most homes sit on slabs with copper under the floor.
How old are most homes in Fontana?
The median home in Fontana was built in 1992, and 23% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
How do I know if my Fontana home has a slab leak?
Warm spots on the floor, the sound of running water with everything off and a meter that keeps moving are the usual signs; a plumber can pinpoint it before opening the floor. In Fontana: most homes sit on slabs with copper under the floor.
Slab Leak Repair near Fontana
- Slab Leak Repair in Rialto, CASlab Leak Repair in Rialto, CA: copper under older slabs develops pinhole leaks.
- Slab Leak Repair in Rancho Cucamonga, CASlab Leak Repair in Rancho Cucamonga, CA: pinhole leaks in copper under slabs show up as warm floors or high bills.
- Slab Leak Repair in Ontario, CASlab Leak Repair in Ontario, CA: slab-on-grade homes hide supply leaks under the floor.
More plumbing services in Fontana
- Water Heater Replacement in Fontana, CAWater Heater Replacement in Fontana, CA: hard water and garage heat shorten tank life.
- Water Softener Installation in Fontana, CAWater Softener Installation in Fontana, CA: basin groundwater is hard.
- All plumbing services in FontanaEvery plumbing service available to Fontana homes.
Local rules and details for Fontana
Fontana facts behind this page
- The median home in Fontana was built in 1992. [1]
- About 23% of Fontana's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- Fontana Water Company draws groundwater from the Chino, Rialto, Lytle and No Man's Land basins, with the Chino Basin as the primary source. [2]
- Fontana Water Company, at 15966 Arrow Route, lists office hours of Monday through Thursday 7:00 a.m. to 5:30 p.m. at (909) 822-2201, operating on a 4/10 schedule and closed every Friday. Its after-hours line is (909) 428-8746. The company also warns customers that its employees carry color photo ID cards, which can be verified by calling 909-822-2201. [3]
Fontana rules and programs for slab leak repair
- Fontana Water Company, at 15966 Arrow Route, lists office hours of Monday through Thursday 7:00 a.m. to 5:30 p.m. at (909) 822-2201, operating on a 4/10 schedule and closed every Friday. Its after-hours line is (909) 428-8746. The company also warns customers that its employees carry color photo ID cards, which can be verified by calling 909-822-2201. [3]
Other common plumbing calls in Fontana
- Water Heater Replacement: hard water and garage heat shorten tank life.
- Water Softener Installation: basin groundwater is hard.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- County of San Bernardino, Water Management Plan · checked 2026-10-06
- Fontana Water Company, Contact · checked 2026-10-20