Natural Disaster Risk in Dillon Beach
California
Risk Summary for Dillon Beach
Dillon Beach scores 5.6/10 (Moderate risk), above the U.S. average of 4.5. The leading hazard is Coastal Flooding.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Average risk — standard coverage usually sufficient
This area carries average natural disaster risk. A standard homeowners or renters policy should cover common events, but review the exclusions for floods and earthquakes, which are almost never included by default.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Dillon Beach, California
Dillon Beach, in Marin County, is a small unincorporated community situated in the western mountain region near the Pacific Coast. Its Mediterranean climate brings dry summers and mild, wet winters with pronounced drought cycles, and in particular a critical fire season from late summer through fall. These conditions collectively define the natural hazard environment that Dillon Beach residents and property owners must navigate.
According to FEMA's National Risk Index, Dillon Beach carries an overall risk score of 5.6/10, placing it in the moderate category. Coastal flooding is the dominant hazard, with storm surge from tropical systems and nor'easters capable of inundating low-lying shoreline areas well above normal tidal levels. The area also faces notable exposure to earthquake and landslide.
Within California, Dillon Beach's risk is, near the 5.9/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Marin County identifies coastal flood as the foremost hazard, followed by earthquake and landslide. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
With a moderate risk rating, Dillon Beach residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for coastal flood is recommended.
What this means for Dillon Beach: Coastal Flooding preparedness
- Elevate utilities and consider flood-resistant construction in low-lying shoreline areas.
- Coastal flood and storm-surge damage requires separate flood insurance, not standard homeowners coverage.
- Know your evacuation zone and monitor tidal and surge forecasts during coastal storms.
Local Factors for Dillon Beach
These city-level factors differentiate Dillon Beach from other communities in Marin County and provide geographic context for its hazard exposure.
Population
293
RuralGeographic Zone
Pacific Coast
Tsunami, coastal flood & wildfire risk
Climate Band
Moderate Continental
Latitude 38.3°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High — long dry fire season
Fire score: 9.5/10
Coordinates
38.2544° N, 122.9624° W
Marin County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Dillon Beach
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Dillon Beach
Other cities in California
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.