9
Extreme
Flood Risk in San Diego, CA
Risk Level: Extreme — Score 9/10
FEMA: 9Historical: 10
Key Risk Factors
- FEMA rates San Diego's county as Very High risk for this hazard
- Estimated annual loss of $648M from this hazard type
- 51 significant events recorded in proximity since 1950
- 15 events in the last 12 months indicate ongoing risk
- Average annual frequency: 7.9 events per year
Peak season: March-September
Last significant event: Flood Forecast - San Diego, United States (2026-01-02) — 538,000 people exposed
Highest Risk Cities for Floods
8
San Diego, CA
FEMA: 9Historical: 10
How San Diego Compares
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Notable Flood Events Near San Diego
Flood - San Diego, CA Region, United States
December 4, 2019 — WARNING
Impact data not available
Flash Flood - San Diego, California, United States
December 31, 2025 — WARNING
2,140,000 people exposed; $582,824M capital exposed
Flood Forecast - San Diego, United States
January 1, 2026 — ADVISORY
538,000 people exposed; $143,969M capital exposed
Flood Forecast - San Diego, California, United States
December 31, 2025 — WARNING
538,000 people exposed; $143,969M capital exposed
Flood - San Diego, CA Region, United States
February 5, 2024 — WARNING
1,100,000 people exposed; $276,416M capital exposed
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 Diego
Score: 7/10
Wildfire Risk in San Diego
Score: 9/10
Hurricane Risk in San Diego
Score: 1/10
Tornado Risk in San Diego
Score: 3/10
Winter Storm Risk in San Diego
Score: 3/10
Landslide Risk in San Diego
Score: 7/10
Extreme Heat Risk in San Diego
Score: 7/10
Drought Risk in San Diego
Score: 3/10
High Wind Risk in San Diego
Score: 5/10
Tsunami Risk in San Diego
Score: 3/10
Flood Risk in Long Beach, CA
Score: 9/10
Flood Risk in Los Angeles, CA
Score: 9/10
Flood Risk in Las Vegas, NV
Score: 9/10
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