Fresno, California Flood Zones

Fresno faces flooding from the San Joaquin River and Kings River systems, as well as urban stormwater flooding. The flat terrain of the Central Valley creates poor drainage conditions during heavy rains.

Common Flood Zones in Fresno

Properties in Fresno, CA are commonly designated in these FEMA flood zones:

Check Your Fresno Address

Enter any Fresno, CA address to instantly see its FEMA flood zone, risk level, and whether flood insurance is required.

Free Flood Zone Lookup

What Your Flood Zone Means in Fresno

FEMA assigns flood zone designations to every property in the United States based on flood risk assessments. In Fresno, 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 Fresno address.

Understanding Flood Zones