San Mateo County, California
Natural Hazard Risk Assessment — Population: 763,661
99.2NRI
Relatively High
Overall Risk Rating
👥
Population
763,661
🏠
Building Value
$174.4B
💰
Annual Hazard Loss
$740.0M
⚠️
Hazards Tracked
14
Natural Hazard Risk Profile
🏔️
Relatively HighEarthquake
Annual Loss$497.3M
Risk Score99.7
⛰️
Relatively HighLandslide
Annual Loss$4.4M
Risk Score99.7
🌊
Relatively HighRiverine Flooding
Annual Loss$212.3M
Risk Score98.4
☀️
Relatively HighDrought
Annual Loss$2.3M
Risk Score92.1
🔥
Relatively ModerateWildfire
Annual Loss$2.2M
Risk Score92.0
🏖️
Relatively HighCoastal Flooding
Annual Loss$8.7M
Risk Score91.8
🌡️
Relatively ModerateHeat Wave
Annual Loss$4.1M
Risk Score91.6
🌊
Relatively ModerateTsunami
Annual Loss$7.2M
Risk Score70.8
Show all 14 hazards
⚡
Relatively ModerateLightning
Annual Loss$549K
Risk Score68.2
🌪️
Relatively LowTornado
Annual Loss$627K
Risk Score30.6
💨
Relatively LowStrong Wind
Annual Loss$222K
Risk Score20.6
🧊
Very LowHail
Annual Loss$43K
Risk Score11.4
⛄
Very LowWinter Weather
Annual Loss$3K
Risk Score3.4
🥶
No RatingCold Wave
Annual Loss$0
Risk Score0.0
San Mateo County vs. National Average
🎯 Overall Risk
99.2+50.5 vs avg
National avg: 48.7
🔥 Wildfire Risk
92.0+43.3 vs avg
National avg: 48.7
👥 Social Vulnerability
20.5-28.7 vs avg
National avg: 49.2
🛡️ Community Resilience
97.6+48.9 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
20.5
Relatively LowHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
97.6
Very HighHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.