Dallas, Texas Flood Zones
Dallas faces flooding from the Trinity River and its tributaries, which drain through the heart of the metropolitan area. The Trinity River floodway provides protection, but intense rainfall can overwhelm urban drainage systems.
Common Flood Zones in Dallas
Properties in Dallas, TX are commonly designated in these FEMA flood zones:
Check Your Dallas Address
Enter any Dallas, TX address to instantly see its FEMA flood zone, risk level, and whether flood insurance is required.
Free Flood Zone LookupWhat Your Flood Zone Means in Dallas
FEMA assigns flood zone designations to every property in the United States based on flood risk assessments. In Dallas, the most common designations are Zone AE, Zone AO, Zone X.
Properties in Special Flood Hazard Areas (SFHAs) - zones starting with A or V - are required to carry flood insurance if they have a federally-backed mortgage. Properties in Zone X are outside the SFHA and flood insurance is typically optional but often recommended.
Flood zone designations can change over time through Letters of Map Amendment (LOMA) or Letters of Map Revision (LOMR). Use our free lookup tool to check the current flood zone for any Dallas address.