Fire Hazard Severity Zone (FHSZ) Updates
The recent updates to Fire Hazard Severity Zones (FHSZ) in California provide a more precise assessment of wildfire risks using modern climate data and advanced fire modeling. These updates impact Local Responsibility Areas (LRA), influencing fire prevention measures, including defensible space, building codes, and real estate disclosure requirements.
Local Responsibility Areas (LRA) – 2025 FHSZ Updates
On March 24, 2025, the Office of the State Fire Marshal (OSFM) issued the 2025 Recommended Local Responsibility Area (LRA) FHSZ maps for Riverside County.
Public Comment
Public comment or questions may be submitted via the ONLINE FORM or mailed to:
Riverside County Fire Department - Office of the Fire Marshal
Attn: FHSZ Comment Period
4080 Lemon Street, 10th Floor
Riverside, CA 92501
