Fullerton, CA
Home MenuFire Hazard Mitigation
Protect Your Home from Wildfire
2025 Fire Hazard Severity Zone Updates
Updated 2025 Fire Hazard Severity Zones
The State Fire Marshal's Office has updated the Fire Hazard Severity Zones (FHSZ) for 2025 to better reflect areas with elevated wildfire hazard. These updates utilize scientific research, climate data, and fire modeling to improve community preparedness. The updated zones were adopted by City Council on May 6, 2025, and incorporated into Fullerton Municipal Code 13.19.
Searchable Hazard Map
Use the official interactive viewer below to see the current categorization for your area. You can search by address to determine if your property falls within a Moderate, High, or Very High hazard zone.
Vegetation Standards
- Clear Zones: Remove weeds and dead plants within 100ft of structures.
- Vertical Clearance: Prune trees to 6ft from the ground.
- Chimney Safety: Maintain 10ft clearance from chimneys.
- Roof Health: Clear all leaves and pine needles from gutters.
FHSZ Resources
- 📄 Fact Sheet & FAQ (English)
- 📄 Fact Sheet & FAQ (Español)
- 📄 Home Insurance FAQ
- 🔗 Cal Fire FHSZ Portal
Property Self-Inspection Checklist
Residents in hazard zones should verify the following safety standards annually:
✅
Trees pruned to 6ft from ground and clear of structures.
✅
Dead leaves and needles removed from rooftops/gutters.
✅
Diseased or dying branches removed from all trees.
✅
Combustible materials moved away from exterior walls.