FEMA rates relative wildfire risk for San Bernardino County as very high and reports FEMA annualized frequency of 0.010 per year for the area.
FEMA summary
FEMA's profile for San Bernardino County reports FEMA annualized frequency of 0.010 per year for wildfire. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for San Bernardino County.
Wildfire
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
99.9/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across San Bernardino County. It is not an estimate for a home or address.
City risk summary
For Fontana, FEMA rates wildfire risk for San Bernardino County as very high, with a relative score of 99.9/100. The next highest relative scores are earthquake at 99.9/100 and riverine flooding at 99.4/100.
Using FEMA data for San Bernardino County, Fontana is tied #18 among 111 covered California entries for wildfire risk; 8 entries share that score. Rialto is about 4.3 straight-line miles from the Fontana map point and uses the same FEMA geography.
For homeowners and movers
Preparedness actions
Living in Fontana? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Fontana. All FEMA figures on this page cover San Bernardino County.
The FEMA figures cover San Bernardino County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative wildfire risk for San Bernardino County as very high. Its FEMA annualized frequency is 0.010 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 111 California cities covered by this directory, Fontana is Tied #18 for relative wildfire risk based on FEMA's score for San Bernardino County. 8 covered cities share this rank because they use the same FEMA geography. Homes within Fontana can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for San Bernardino County, the highest relative ratings are Wildfire (Very High), Earthquake (Very High), and Riverine Flooding (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover San Bernardino County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives San Bernardino County an overall relative risk rating of very high. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Wildfire rating | Relative score |
|---|---|---|---|
| Rialto, CA | 4 mi | Very High | 99.9 |
| Rancho Cucamonga, CA | 6 mi | Very High | 99.9 |
| Jurupa Valley, CA | 7 mi | Very High | 100.0 |
| Ontario, CA | 9 mi | Very High | 99.9 |
| San Bernardino, CA | 10 mi | Very High | 99.9 |
Limited to products tagged for wildfire or general preparedness.
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Pets
Comprehensive kit for pets. Includes muzzle, thermometer, and bandages.
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Pets
Collapsible bowls for easy packing. Hydration is critical for pets during stress.
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Home
Standard home fire extinguisher. Essential for kitchen and garage safety.
View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.