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Slab leaks are most common in areas where the ground is in motion, such as those prone to earthquakes or highly expansive soils. In places like California, constant shifting puts stress on foundations and pipes. Stay ahead of trouble by monitoring your water bill, inspecting visible slab edges, and scheduling routine inspections to catch leaks early and maintain your home's safety.

Keep an eye out for damp spots, rising water bills, the sound of running water when taps are off, or staining and sagging along the foundation. Check exposed slab edges during routine walk-arounds and note any uptick in indoor humidity or pest traffic. The moment something looks off, call a pro—fast action protects your slab and wallet.

Most policies cover slab-leak repairs tied to a covered event, such as earthquakes, severe storms, or a fallen tree. They often won’t cover gradual issues, such as root intrusion or corrosion-related pinhole leaks. Every policy is different, so be sure to contact your carrier for the fine print before any problems arise.