Zone V — Coastal High Risk
Overview
Building Requirements
Structures must be elevated on pilings or columns. No fill allowed for structural support. Free of obstructions below the lowest floor. V-zone certification required.
Key Facts
- Coastal flooding with wave action hazards
- Highest insurance premiums of any flood zone
- No Base Flood Elevations determined
- Strict building requirements including pile foundations
- Fill cannot be used for structural support
Who This Affects
Homeowners
Properties in Zone V must carry flood insurance if you have a federally backed mortgage.
Check your propertyLenders
Lenders must ensure borrowers in Zone V maintain flood insurance for the life of the loan.
Explore the APIBuyers & Sellers
Flood zone status affects insurance costs and property value. Get a certificate during due diligence.
View pricingCommon Questions
Why is flood insurance required in Zone V?
Properties in Zone V are classified as Special Flood Hazard Areas (SFHAs) by FEMA. Federal law requires flood insurance for properties in SFHAs that have mortgages from federally regulated or insured lenders.
How is Zone V determined?
FEMA determines flood zones through Flood Insurance Studies that analyze local hydrology, topography, and historical flood data to produce Flood Insurance Rate Maps (FIRMs). Zone V designations are based on the probability of flooding in any given year.
Can my property be reclassified out of Zone V?
Yes. You can apply for a Letter of Map Amendment (LOMA) through FEMA if you believe your property is incorrectly mapped. This requires a licensed surveyor to certify that your property's lowest adjacent grade is above the Base Flood Elevation.
How do I verify my property's flood zone?
Get a flood certificate — an official document that identifies your property's flood zone based on FEMA's current maps. FloodCert provides instant certificates for any U.S. property.