Flood Risk in San Jose, Costa Rica
Risk Level: Extreme — Score 9/10
Live Flood alert status near San Jose
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Live flood map around San Jose
Shows flood warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.
Key Risk Factors
- High risk rating for San Jose based on ThinkHazard (River flood)
- 28 events recorded in proximity in recent decades
- 1 event(s) in the last 12 months
- Largest recent event exposed 5,079,760 people
- Significant river or coastal flood exposure
Peak season: March-September
Last significant event: Flood- Costa Rica (2025-07-29) — 5,079,760 people exposed
Highest Risk Cities for Floods
How San Jose Compares
Notable Flood Events Near San Jose
DisasterAWARE's historical archive records 5 notable flood events near San Jose, ranked below by impact. The most impactful: Flood- Costa Rica (July 2025) — 5,079,760 people exposed; $140,172M capital exposed.
Flood- Costa Rica
July 28, 2025 — WARNING
5,079,760 people exposed; $140,172M capital exposed
Flood - N of Heredia, Heredia, Costa Rica
February 20, 2024 — WARNING
112,000 people exposed; $1,863M capital exposed
Flooding/Rain - Costa Rica
August 18, 2013 — WARNING
Impact data not available
Floods - Costa Rica
July 29, 2012 — WARNING
Impact data not available
Floods - Costa Rica
October 16, 2011 — 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
How this data is built
San Jose, Costa Rica flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
The data behind this page
Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.
Monitor Flood Risk in Real Time
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