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Flood insurance is not hiding inside the homeowners policy
A standard homeowners form pays for some sudden water from inside the house. Rising water from outside is a different policy.
After a storm, the most common insurance argument is about water. A pipe that bursts, or rain that comes through a hole the wind tore in the roof, can be a homeowners claim. Water that rises from a creek, a storm drain, or a storm surge is flood. Flood is excluded from the ordinary homeowners policy. The exclusion does not depend on whether you thought of the street as a flood zone.
The federal program and private flood policies
The National Flood Insurance Program sells flood policies through private insurers that service them, and some private companies sell their own flood policies. A lender in a high-risk flood zone will require flood insurance on the mortgage. People outside the mapped high-risk zone can still buy it, and a large share of flood claims have come from outside those maps. Maps describe probability. They do not promise that a lower-risk street will stay dry.
Waiting periods and two kinds of limits
An NFIP policy typically has a waiting period, often 30 days, before coverage begins, with exceptions when a lender requires the policy at a loan closing. There is a limit for the building and a separate limit for contents. Building coverage does not automatically include the furniture. Basement coverage under the NFIP is narrower than coverage on the floors above. Replacement of a finished basement living room is a frequent disappointment. Read the summary of what is covered below grade before you rely on it.
What to do before hurricane season, not after the watch is posted
If a storm is already named and approaching, you are usually too late to buy a new flood policy for that storm. The useful time is a quiet week. Know the elevation of the lowest floor, the replacement cost of the building, and whether the mortgage company is already listed as a loss payee. Keep the declaration page with the homeowners papers so the two policies are not confused when a claim starts.
Flood zones, waiting periods, and private-market forms change. Check FEMA’s FloodSmart guidance and your own declaration page. This article is not a claim determination.