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Does home insurance cover basement flooding?

Basement flooding can lead to costly damage and major headaches. Your home insurance policy may cover basement flooding under certain conditions, but it generally depends on the cause of the damage, your policy specifics, and your insurance provider. 

Understanding when a standard home insurance policy will and won’t cover basement flooding can help ensure you have the appropriate type and amount of coverage, plan for repairs or replacements, and adequately protect your home. 

When does home insurance cover basement flooding?

A standard home insurance policy typically covers sudden and accidental water damage that originates within the home. This may include: 

In incidents like those above, a standard homeowners insurance policy will often cover the cost to repair the structure of your home, such as damaged flooring, as well as your personal property, such as furniture or electronics.

When does a standard policy not cover basement flooding?

Water damage coverage is generally limited, and a standard home insurance policy typically won’t cover damage caused by the following: 

  • Heavy rainfall or stormwater surges 

  • Flooding from overflowing rivers, lakes, creeks, etc. 

  • Coastal storm surges

  • Sewer and sump pump backups

  • Long-term leaks that are easy to detect

Additional coverage options

If you’re concerned about basement flooding, especially if you live in an area at high risk, such as in a designated flood zone, the following coverages can help you better protect your property and avoid costly out-of-pocket expenses. 

Water backup coverage

Water backup coverage provides financial protection against damage caused by sewer or drain backup and sump pump failures. Most home insurance companies offer water backup coverage as an endorsement, or policy add-on, generally at a low cost. 

Flood insurance

A basic home insurance policy does not cover flood damage, such as that resulting from heavy rains, storm surges, or overflowing bodies of water. To protect your property against the cost of flood-related damages, you need to purchase a separate flood insurance policy or add a flood insurance endorsement to your existing home insurance policy, when available. 

You can purchase a flood insurance policy from the National Flood Insurance Program (NFIP) or a private insurer.

Service line coverage

Service line coverage can help you pay to repair or replace damaged underground utility lines, including water and sewer pipes, that connect your home to the city or municipal systems. If a break or blockage causes basement flooding, this coverage can also help you pay for excavation and repairs to the service lines and damaged property. 

How to reduce the risk of basement flooding

While the right type of coverage can provide financial protection after your basement floods, you can take several steps to prevent or reduce the risk of flooding. 

  • Install a sump pump with a battery backup. 

  • Seal foundation cracks and apply waterproofing treatments.

  • Regularly clean gutters and downspouts to ensure proper drainage.

  • Direct or extend downspouts to carry water away from your home.

  • Install backflow valves to prevent sewer backups.

  • Grade the soil around the foundation to promote runoff away from the structure of your home.


Author

Jennifer Lobb

Jennifer Lobb

Lead editor | Home insurance

Jennifer Lobb is the lead editor at Kin and a home insurance expert. Previously, she was an insurance editor at USA Today, U.S. News & World Report, and Forbes Advisor.

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Editor

Adam Morgan

Adam Morgan

Head of content | Home insurance

Adam Morgan is the head of content at Kin and an insurance expert whose work has appeared in Esquire, WIRED, Scientific American, and elsewhere.

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