7
Very High
Flood Risk in San Francisco, CA
Risk Level: Very High — Score 7/10
FEMA: 7Historical: 10
Key Risk Factors
- FEMA rates San Francisco's county as Relatively High risk
- Estimated annual loss of $178M from this hazard type
- 85 significant events recorded in proximity since 1950
- 45 events in the last 12 months indicate ongoing risk
- Average annual frequency: 1.6 events per year
Peak season: March-September
Last significant event: Flood - San Francisco Bay Area, United States (2026-02-16) — 1,080,000 people exposed
Highest Risk Cities for Floods
San Francisco is not in the top 10 for flood risk among tracked cities.
How San Francisco Compares
Loading chart...
Notable Flood Events Near San Francisco
Flood - San Francisco--Oakland, CA Region, United States
December 6, 2019 — WARNING
Impact data not available
Flood - San Francisco, United States
December 21, 2025 — ADVISORY
747,000 people exposed; $274,175M capital exposed
Flood - San Francisco Bay Area, United States
February 15, 2026 — ADVISORY
1,080,000 people exposed; $288,477M capital exposed
Flood - San Francisco--Oakland, CA Region, United States
December 22, 2024 — WARNING
1,310,000 people exposed; $337,667M capital exposed
Flood - San Francisco--Oakland, CA Region, United States
January 9, 2023 — WARNING
Impact data not available
Flood Preparedness Tips
- 1.Know if your property is in a flood zone — check FEMA maps
- 2.Consider flood insurance even if not in a high-risk zone
- 3.Never drive through flooded roadways — Turn Around, Don’t Drown
- 4.Move valuables and important documents to upper floors
- 5.Install sump pumps and check valves in plumbing
Related Pages
Earthquake Risk in San Francisco
Score: 9/10
Wildfire Risk in San Francisco
Score: 1/10
Hurricane Risk in San Francisco
Score: 0/10
Tornado Risk in San Francisco
Score: 3/10
Winter Storm Risk in San Francisco
Score: 1/10
Landslide Risk in San Francisco
Score: 7/10
Extreme Heat Risk in San Francisco
Score: 5/10
Drought Risk in San Francisco
Score: 5/10
High Wind Risk in San Francisco
Score: 1/10
Tsunami Risk in San Francisco
Score: 5/10
Flood Risk in Oakland, CA
Score: 9/10
Flood Risk in San Jose, CA
Score: 9/10
Flood Risk in Sacramento, CA
Score: 7/10
Monitor Flood Risk in Real Time
Get real-time flood alerts for San Francisco, CA and hundreds of other locations with DisasterAWARE's enterprise platform.
Learn More About DisasterAWARE