Verify Your Flood Zone
Your flood zone determines your flood risk, whether your lender requires flood insurance, and how much that insurance will cost. FEMA assigns every property in the United States a flood zone designation — from high-risk Zone AE to low-risk Zone X. Enter your address below to find your flood zone and get a personalized flood insurance quote.
Free self-assessment
Check your address
Check your address against the FEMA flood map. You'll know in seconds whether your lender will require flood insurance, and what to do next.
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Always check with your lender for the exact flood insurance requirements on your loan. Flood zone results come from FEMA's National Flood Hazard Layer and are for information only. Your lender's official flood zone determination is what counts for your loan.
How to find your flood zone
Your flood zone is the label FEMA puts on your property on its flood maps. It tells your lender whether flood insurance is required on a mortgage, and it is the first thing most people ask about. The tool above checks your address against FEMA's National Flood Hazard Layer and tells you the zone and what it usually means for your loan.
Zones that start with the letter A or V are high risk. If you have a mortgage from a federally regulated or federally backed lender and the home sits in one of those zones, flood insurance is required. Zone X is lower risk and is not required by federal law, but a lender can still ask for it, and typically around 30 percent of flood claims come from outside high-risk zones, so a low-risk zone does not mean no risk.
If you do not have an address handy, you can pick a zone from the list instead. If the result surprises you, run the address through the verify tool, because lender determinations and map updates do not always match what you were told.
| FEMA flood zone | Risk level | Is flood insurance required by law? |
|---|---|---|
| A, AE, AH, AO, AR | High risk (Special Flood Hazard Area) | Required when the mortgage is from a federally regulated or federally backed lender |
| V, VE | High risk, coastal wave action | Required when the mortgage is from a federally regulated or federally backed lender |
| X (shaded or unshaded), B, C | Moderate to minimal risk | Not required by federal law, though some lenders require it anyway |
Frequently asked questions
How do I find my flood zone?
Enter your property address in the tool on this page. It checks FEMA's National Flood Hazard Layer and returns the zone for that address. You can also search FEMA's Flood Map Service Center directly.
What does flood zone AE mean?
Zone AE is a high-risk area where FEMA has calculated a base flood elevation. If you have a mortgage from a federally regulated or federally backed lender, flood insurance is required.
Is flood insurance required in zone X?
Not by federal law. Zone X is a lower-risk zone. Some lenders still require flood insurance, and many homeowners buy it anyway because flood damage is not covered by a standard homeowners policy. Always check with your lender for the exact requirement on your loan.
Does my flood zone change what I pay for flood insurance?
Much less than most people expect. Current federal pricing uses details about the individual home and its flood risk, not just the map zone, so two homes in the same zone can pay very different amounts and a home in a low-risk zone can still pay a meaningful premium.
Can my flood zone change?
Yes. FEMA updates flood maps over time, and a property can be reclassified by a map revision or removed from a high-risk zone through a Letter of Map Amendment. Ask your agent before assuming the zone is permanent.
Who decides the flood zone for my loan?
Your lender makes the official flood zone determination for the loan. The result on this page is for information only. Always check with your lender for the exact requirements.
Do I need flood insurance if my home has never flooded?
A flood history is not a requirement for either the lender or the insurance. Flooding happens in every state, and a federal flood policy has a 30 day waiting period and most private policies have a wait of 3 to 15 days, so buying after a storm is forecast is usually too late.
Related tools
- Verify your flood zone
- Do I need flood insurance?
- Flood insurance cost estimator
- Flood coverage builder
- Request a flood insurance quote
Who wrote this
Chris Greene is the founder of Flood Insurance Guru, a flood-only insurance agency. He has helped clients through more than 10,000 flood claims over the last decade, including more than 2,000 during Hurricanes Helene and Debby. This page is educational. It is not a quote, a policy or a coverage decision. Always read your own policy and check with your lender for the exact flood insurance requirements on your loan.