Natural Disasters in Stevenson Ranch, CA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

100.0

Very High

Expected Annual Loss

100.0

Score (0-100)

Social Vulnerability

55.4

Score (0-100)

Community Resilience

13.5

Score (0-100)

Top Hazard Risks

Earthquake100.0Wildfire99.9Heat Wave99.3
HazardRisk Score
Earthquake100.0
Wildfire99.9
Heat Wave99.3
Landslide99.3
Tornado97.7
Lightning96.9
Hail93.0
Avalanche92.4
Coastal Flood90.0
Strong Wind75.2
Winter Weather74.8
Tsunami64.6
Drought43.5
Cold Wave5.8

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

88

Most Recent

Fire

Aug 2025

Most Common Type

Fire

61 declarations

DateTypeDeclaration
Aug 8, 2025FireCANYON FIRE
Jan 8, 2025FireWILDFIRES AND STRAIGHT-LINE WINDS
Jan 8, 2025FireHURST FIRE
Jan 8, 2025FireEATON FIRE
Jan 7, 2025FirePALISADES FIRE
Dec 10, 2024FireFRANKLIN FIRE
Sep 11, 2024FireBRIDGE FIRE
Apr 13, 2024Severe StormSEVERE WINTER STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES
Apr 3, 2023Severe StormSEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Mar 10, 2023FloodSEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Jan 14, 2023FloodSEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Jan 9, 2023FloodSEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Oct 16, 2020FireWILDFIRES
Sep 13, 2020FireBOBCAT FIRE
Mar 22, 2020BiologicalCOVID-19 PANDEMIC
Mar 13, 2020BiologicalCOVID-19
Oct 28, 2019FireGETTY FIRE
Oct 24, 2019FireTICK FIRE
Oct 11, 2019FireSADDLERIDGE FIRE
Nov 12, 2018FireWILDFIRES

Showing 20 of 88 declarations

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

9,092

Total Claims Paid

$72,172,684

Avg Claim Payout

$7,938

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

N/A

Disasters with PA

19

Total Projects

3,092

DisasterTypeProjectsFederal $
DR-4482Biological903N/A
DR-1577Severe Storm(s)688$73,952,617
DR-4407Wildfire124$51,280,101
DR-4856Wildfire272$27,389,294
DR-1585Severe Storm(s)271$22,656,580
DR-1884Severe Storm(s)206$21,906,579
DR-1810Fire95$20,491,977
DR-4683Severe Storm(s)95$14,298,185
DR-4769Severe Storm(s)82$13,022,329
DR-4305Flood170$11,707,623
DR-4569Wildfire24$7,781,006
DR-1498Fire36$5,934,733
DR-4750Hurricane10$4,175,839
DR-4431Winter Storm8$4,099,712
DR-4699Severe Storm(s)57$3,458,326

Showing top 15 of 19 disasters by spending

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

380

Federal Funding

$444,312,738

Properties Protected

1,908

Avg Benefit-Cost Ratio

1.87

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic115$179,435,867
205.4: Non Structural Retrofitting/Rehabilitating Public Structures - Seismic112$221,346,997
91.1: Local Multihazard Mitigation Plan37$1,840,060
300.2: Vegetation Management - Wildfire20$1,828,346
91.3: Local Multihazard Mitigation Plan - UPDATE19$1,169,772

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Stevenson Ranch has a very high overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, wildfire, heat wave. The area has had 88 federal disaster declarations. The most common disaster type is fire (61 declarations). 9,092 flood insurance claims have been filed in the area. FEMA has obligated N/A in public assistance recovery funding. 380 hazard mitigation projects have been funded to reduce future risk.