These zones, referred to as Fire Hazard Severity Zones (FHSZ), classify a wildland zone as Moderate, High, or Very High fire hazard based on the average hazard across the area included in the zone. Click Here for the Fire Hazard Severity Zone Viewer

The Fire Hazard Severity Zones map allows users to explore Fire Hazard Severity Zones (FHSZ) in-dept. Areas are aggregated into Moderate, High, or Very High zones. All areas in State Responsibility Area (SRA) are zoned, including non-wildland areas and waterbodies.

This mapping tool was created to help you find out if your home or business is located in a Fire Hazard Severity Zone designated by Cal Fire. To get started, just enter your address in the search bar found above the legend.

These zones, referred to as Fire Hazard Severity Zones (FHSZ), classify a wildland zone as Moderate, High, or Very High fire hazard based on the average hazard across the area included in the zone. Access PDF versions of the maps at https://osfm.fire.ca.gov/fhsz-maps.

These zones, referred to as Fire Hazard Severity Zones (FHSZ), classify a wildland zone as Moderate, High, or Very High fire hazard based on the average hazard across the area included in the zone. Access PDF versions of the maps at https://osfm.fire.ca.gov/fhsz-maps.

Accessing Fire Hazard Severity Zone Maps and Data: From June to September 2008 CAL FIRE is posting Recommended maps for Very High Fire Hazard Severity Zones in Local Responsibility Areas. For each county, until Recommended Maps are posted, Draft Maps used to develop recommendations for cities and unincorporated LRA in the county remain available.

Fire Hazard Severity Zone Viewer Pursuant to Public Resource Code 4202, The State Fire Marshal shall classify lands within State Responsibility Areas into fire hazard severity zones.

This map has been created by CAL FIRE's Fire and Resource Assessment Program (FRAP) using data and models describing development patterns, estimated fire behavior characteristics based on potential fuels over a 30-50 year time horizon,

Name: Fire Hazard Zone Display Field: SRA Type: Feature Layer Geometry Type: esriGeometryPolygon Description: Fire hazard zones for Contra Costa County from Cal Fire data which was published on September 19, 2007. Data downloaded from Cal Fire on 11/17/2021.

Link to Cal Fire’s Fire hazard Severity Zone Map. Contra Costa County Maps viewer provides a look up feature to find property parcel numbers. Martinez Area CERT has Assembly Zones that will be used by our members in a disaster.