Castaic, CA natural hazards
Most of the natural-hazard damage FEMA expects in Castaic comes from inland flooding, and overall the risk is very high for a U.S. community. Flood insurance has paid 1 claim here since 2005. 7 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Castaic?
FEMA expects yearly storm and flood damage to homes and buildings in Castaic to be higher than in 98% of U.S. communities, mostly from inland flooding and earthquakes.
What Castaic faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Earthquakes
Wildfire
Lower here
Not a risk here
Does Castaic flood?
Every paid claim on a federal flood insurance policy in Castaic, from FEMA’s records.
are insured
are insured
What’s been done with FEMA grants
7 federal disasters brought FEMA money here
Disasters the President declared that paid out in Castaic itself: aid to households, or repair grants to Castaic.
Wildfires and Straight-Line Winds
Wildfires
Wildfires
Wildfires, Flooding, Mudflows, and Debris Flows
Wildfires, Flooding, Mud Flows, and Debris Flows
Severe Storms, Flooding, Debris Flows, and Mudslides
Wildfires, Flooding, Mudflow and Debris Flow Directly Related T
How to read this page
FEMA’s expected losses across Castaic total about $12.3M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.