Special Flood Hazard Area
Plain English
A special flood hazard area is FEMA's label for a high-risk flood zone. On a flood map, these zones start with the letter A or V. If your home is in one and you have a government-backed mortgage, you must buy flood insurance. Floods also happen outside these areas.
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On this page
Definition
A special flood hazard area (SFHA) is a high-risk flood area on FEMA's flood maps, labeled with zones beginning with A or V. In communities participating in the National Flood Insurance Program, flood insurance is required for properties in an SFHA with government-backed mortgages.
Why It Matters
Whether a property is in an SFHA decides whether a lender requires flood insurance, and it affects the price.
Real-World Example
Imagine two houses on the same street. One is in zone AE, a special flood hazard area, so its buyer with an FHA loan must buy flood insurance. The other is in zone X, outside the SFHA, so flood insurance is optional, though the owner may still choose it.
Common Misconceptions
- Assuming homes outside an SFHA can't flood.
- Assuming the zone can't change; maps are updated.
Key Takeaways
- FEMA: "High-risk flood areas begin with the letters A or V on FEMA flood maps. They are also known as special flood hazard areas (SFHAs)."
- Flood insurance is mandatory in high-risk zones "if mortgages are government-backed," per FEMA.
- Almost one-third of NFIP claims from 2014 to 2024 came from outside high-risk areas, FEMA says.
- Ask your lender or check FEMA's map for a property's zone.
Frequently Asked Questions
How do I find my flood zone?
Use FEMA's flood map service or ask your lender or agent.
What's it commonly confused with?
"100-year flood," which describes the risk level the zones are based on.
Related Terms
Related Coverages
- Flood Insurance
Related Scenarios
Explore the rest of the Flood Insurance category.
Browse Flood Insurance terms →Sources
The factual claims on this page were checked against these sources. Rules and figures change, so check the source itself if you need to confirm the current version.
- What is my flood risk?FEMA, National Flood Insurance Program (FloodSmart)
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