Can a Neighbor's Pool Leak Damage My Property's Foundation?

A pool leak can send a surprising amount of water into the ground around your property. That water moves through the soil and can pool under your foundation, especially if your home sits lower than the pool. Over time, the soil becomes saturated and loses its ability to support the concrete evenly.

When the soil dries out, it can shrink and pull away, leaving gaps under the foundation. This shifting can cause cracks in walls, sticking doors, or sloping floors. The damage may not show up right away, so it's important to watch for signs like new cracks or a sudden increase in indoor humidity.

If you suspect a pool leak, talk to your neighbor politely and suggest they check the pool. You can also monitor your own property for changes, like taking photos of cracks or noting where water collects. Keeping a record can help if you need to discuss the issue later.

Improve drainage around your home by ensuring gutters are clean and downspouts direct water away from the foundation. If the soil is very dry in summer, consider watering it lightly to reduce shrinking, but don't overdo it. These steps can help minimize the risk of settling.

Your homeowners insurance may or may not cover damage from a neighbor's pool leak. Policies vary, and your insurer decides what is covered. Check your policy to see what types of water damage are included, and document everything with photos and notes.

The cost to fix foundation damage can vary widely. It often depends on the extent of the damage, the type of foundation, and how long the water has been present. You might also need to pay for water cleanup and drying, which can add to the total.

Talk to your neighbor about sharing costs, but don't expect them to pay automatically. If the leak is from their pool, they may be responsible, but that's a legal matter. Focus on protecting your home first.