Wildfire Zones: Fillmore vs Simi Valley
How do wildfire zones rules compare between Fillmore, CA and Simi Valley, CA?
Fillmore and Simi Valley have similar restriction levels.
Fillmore, CA
Ventura County
Portions of Fillmore, particularly areas adjacent to the hills north of town, fall within Very High Fire Hazard Severity Zones (VHFHSZ) or State Responsibility Areas (SRA). These zones require enhanced building standards, 100-foot defensible space, and fire-resistant construction materials.
View full Fillmore rules →Simi Valley, CA
Ventura County
Significant portions of Simi Valley are designated Very High Fire Hazard Severity Zones by CAL FIRE. Properties in these zones face enhanced building standards, defensible space requirements, and vegetation management obligations.
View full Simi Valley rules →Key Facts Comparison
| Fact | Fillmore | Simi Valley |
|---|---|---|
| Fire Zones | VHFHSZ in hillside areas | - |
| Building Code | Chapter 7A fire-resistant construction | Chapter 7A fire-resistant materials |
| Roofing | Class A fire-rated required | - |
| Defensible Space | 100 feet mandatory | 100 feet mandatory |
| Recent Fire | Thomas Fire 2017 impacted area | - |
| Designation | - | VHFHSZ (CAL FIRE) |
| Key Event | - | 2019 Easy Fire, 1,800+ acres |
Highlighted rows indicate differences between cities.
Fillmore FAQ
Is my Fillmore property in a wildfire zone?
Properties adjacent to the hills north of town may be in Very High Fire Hazard Severity Zones. Check CalFire's Fire Hazard Severity Zone map or contact Ventura County Fire at (805) 389-9710 for your specific property.
What building requirements exist in Fillmore wildfire zones?
California Building Code Chapter 7A requires Class A fire-rated roofing, ignition-resistant walls, enclosed eaves, tempered windows, and ember-resistant vents for new construction and major remodels.
How did the Thomas Fire affect Fillmore?
The 2017 Thomas Fire burned in the mountains north of Fillmore, followed by devastating debris flows in January 2018. These events underscored the importance of defensible space and fire-resistant building in the area.
Simi Valley FAQ
Is my Simi Valley home in a wildfire zone?
Many areas of Simi Valley are designated VHFHSZ by CAL FIRE, especially hillside neighborhoods. Check the CAL FIRE FHSZ map or contact Community Development at (805) 583-6800.
What building requirements apply in fire zones?
Properties in VHFHSZ must use fire-resistant roofing, ember-resistant vents, and ignition-resistant materials per California Building Code Chapter 7A. New homes require fire sprinklers.
Does wildfire zone designation affect my insurance?
Yes, properties in VHFHSZ may face higher premiums or difficulty obtaining coverage. California's FAIR Plan provides basic fire insurance for properties that cannot obtain coverage through standard markets.
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