Slab Leak Water Damage in San Diego
A slab leak is a broken water line under your concrete foundation. Common signs are a warm spot on the floor, the sound of running water when everything is off, damp carpet or warped wood near an interior wall, and an unexplained jump in your water bill. In California, slab leak repair typically runs $630–$4,400, averaging around $2,280 (HomeAdvisor) — not counting water damage cleanup.
Signs of a slab leak
- A floor area that feels warm (a hot-water line leak).
- Water sound with all fixtures off, or a water meter that keeps moving.
- Damp or musty carpet, cupping hardwood, or cracked tile away from any bathroom.
- A water bill that jumps with no change in use.
Many San Diego County homes are built on concrete slabs, which is why slab leaks are a common source of hidden water damage here.
How a slab leak gets fixed
- Leak detection — a specialist pinpoints the leak with acoustic and thermal tools. See leak detection.
- Repair or reroute — options include a spot repair through the slab, rerouting the line through walls or attic, or epoxy lining.
- Dry and restore — flooring is lifted where needed and the slab and walls are dried before anything is replaced.
Insurance note
Policies often treat the pipe repair and the resulting water damage differently. Some cover tearing out and replacing the floor to reach the pipe but not the pipe itself. Ask your carrier about "access" or "tear-out" coverage.
Repair options in plain language
- Spot repair: open the floor at the leak and fix that section of pipe. Fastest, but older pipes may leak again elsewhere.
- Reroute: abandon the pipe under the slab and run a new line through walls or the attic.
- Repipe: replace the home's water lines. Costs the most, but it's often chosen when pipes have had repeated leaks.
The water damage cleanup (drying the slab, removing wet flooring and baseboards) is a separate job from the plumbing repair, and insurance may treat the two differently.