U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.

Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.

The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Obstructions

All new construction and substantial improvements in V Zones must have the space below the lowest floor either free of obstruction or constructed with non-supporting breakaway walls. Foundations that offer minimal resistance to floodwaters passing beneath an elevated building are required in V Zones. Fill is prohibited for the structural support of buildings in V Zones.

National Flood Insurance Program Requirements

  • 60.3 - Criteria for land management and use
    • (e) (5) - Free of Obstruction Requirement
    • (e) (6) - Fill in V Zones
Glossary Section
NFIP - National Flood Insurance Program
Last updated July 8, 2020