Natural Disaster Risk in Castaic
California
Risk Summary for Castaic
Castaic scores 7.6/10 (High risk), above the U.S. average of 4.5. The leading hazard is Earthquake.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
π What this means for insurance
Above-average risk β check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Castaic, California
Castaic is a city of approximately 26,478 residents in Los Angeles County, in the southwestern United States with Pacific Coast influence. The area experiences dry summers and mild, wet winters with pronounced drought cycles, with a critical fire season from late summer through fall shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Castaic.
According to FEMA's National Risk Index, Castaic carries an overall risk score of 7.6/10, placing it in the high category. Earthquake risk stands out in the local hazard profile, driven by proximity to fault systems with a history of significant ground movement. The area also faces notable exposure to wildfire and avalanche.
Castaic's risk score, considerably above the 5.9/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Los Angeles County, the highest-scoring are earthquake, wildfire, and avalanche. These scores reflect county-level data and represent the baseline risk that all communities in the county share.
Castaic's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for Castaic: Earthquake preparedness
- Standard homeowners insurance excludes earthquake damage β a separate earthquake policy or endorsement is needed.
- Secure heavy furniture, water heaters, and shelving to wall studs to reduce injury and damage during shaking.
- Identify "drop, cover, and hold on" spots in each room and keep an emergency kit with water for at least 72 hours.
Local Factors for Castaic
These city-level factors differentiate Castaic from other communities in Los Angeles County and provide geographic context for its hazard exposure.
Population
26,478
SuburbanGeographic Zone
Pacific Coast
Tsunami, coastal flood & wildfire risk
Climate Band
Mild Temperate
Latitude 34.5Β°
Flood Terrain
Minimal β county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High β long dry fire season
Fire score: 10.0/10
Coordinates
34.5160Β° N, 118.6729Β° W
Los Angeles County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Castaic
Last 12 months Β· Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Castaic
Other cities in California
Data source: FEMA National Risk Index (NRI). Scores normalized to 1β10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.