Natural Disasters in Los Altos Hills, CA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

99.7

Very High

Expected Annual Loss

99.8

Score (0-100)

Social Vulnerability

17.2

Score (0-100)

Community Resilience

72.6

Score (0-100)

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

Disaster History & Federal Spending

Source: FEMA

Total Declarations

25

Public Assistance

$497.7M

Individual Assistance

$3.8M

Most Common Type

Severe Storm

6 declarations

Public Assistance by Category

Total: $486.7M
DisasterTypeDatePA $IA $
Severe Winter Storms, Straight-line Wind… →Severe StormApr 2023$1.9M—
Severe Winter Storms, Flooding, Landslid… →FloodMar 2023——
Severe Winter Storms, Flooding, Landslid… →FloodJan 2023$8.3M$1.3M
Severe Winter Storms, Flooding, and Muds… →FloodJan 2023——
Wildfires →FireAug 2020$2.6M$67K
Scu Ligtning Complex Fire →FireAug 2020——
Covid-19 Pandemic →BiologicalMar 2020$462.0M$2.4M
Covid-19 →BiologicalMar 2020——
Severe Winter Storms, Flooding, and Muds… →FloodApr 2017$11.0M—
Severe Winter Storms, Flooding, and Muds… →Severe StormFeb 2017$10.8M—
Rim Fire →FireDec 2013$263K—
Wildfires →FireJun 2008$11K—
Summit Fire →FireMay 2008——
Severe Storms, Flooding, Landslides, and… →Severe Storm(s)Jun 2006$2K—
Severe Storms, Flooding, Mudslides, and … →Severe Storm(s)Feb 2006$461K—
Hurricane Katrina Evacuation →HurricaneSep 2005$248K—
Croy Fire →FireSep 2002——
Ca-wildfires-08/25/1999 →FireSep 1999$3K—
Severe Winter Storms and Flooding →Severe StormFeb 1998——
Severe Storms, Flooding, Mud and Landsli… →Severe StormJan 1997——

Showing 20 of 30 disasters

PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

1,630

Total Claims Paid

$24,608,736

Avg Claim Payout

$15,097

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

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

31

Federal Funding

$18,993,856

Properties Protected

869

Avg Benefit-Cost Ratio

8.34

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic19$10,991,472
91.1: Local Multihazard Mitigation Plan2$336,724
601.2: Generators - Regular1$0
205.4: Non Structural Retrofitting/Rehabilitating Public Structures - Seismic; 205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic1$2,720,383
91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE1$164,532

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

Los Altos Hills has a very high overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, landslide, drought. The area has had 25 federal disaster declarations. The most common disaster type is severe storm (6 declarations). 1,630 flood insurance claims have been filed in the area. FEMA has obligated $497,717,689 in public assistance recovery funding. $3,846,344 has been distributed in individual assistance to disaster-affected residents. 31 hazard mitigation projects have been funded to reduce future risk.