Wildfire Zones: Fillmore vs Thousand Oaks
How do wildfire zones rules compare between Fillmore, CA and Thousand Oaks, CA?
Thousand Oaks has fewer restrictions than Fillmore.
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 →Thousand Oaks, CA
Ventura County
Significant portions of Thousand Oaks are designated as Very High Fire Hazard Severity Zones due to the city's location bordering the Santa Monica Mountains. Properties in these zones face enhanced building, landscaping, and vegetation management requirements under California Government Code Section 51175-51189.
View full Thousand Oaks rules →Key Facts Comparison
| Fact | Fillmore | Thousand Oaks |
|---|---|---|
| Fire Zones | VHFHSZ in hillside areas | - |
| Building Code | Chapter 7A fire-resistant construction | Chapter 7A fire-resistant standards |
| Roofing | Class A fire-rated required | - |
| Defensible Space | 100 feet mandatory | - |
| Recent Fire | Thomas Fire 2017 impacted area | - |
| High-Risk Areas | - | Santa Monica Mountains interface |
| Key Event | - | 2018 Woolsey Fire enhanced standards |
| Code Enforcement | - | (805) 449-2100 |
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.
Thousand Oaks FAQ
Is my Thousand Oaks property in a wildfire hazard zone?
Many Thousand Oaks neighborhoods are designated Very High Fire Hazard Severity Zones, especially near the Santa Monica Mountains and open space preserves. Contact VCFPD at (805) 389-9710 or check CAL FIRE maps for your specific address.
What building requirements apply in Thousand Oaks fire zones?
Properties must meet Chapter 7A California Building Code standards requiring ignition-resistant roofing, walls, vents, windows, and decking. New construction and major remodels require fire-resistant landscaping plans. These requirements were enhanced after the 2018 Woolsey Fire.
Do I need to disclose fire zone status when selling my Thousand Oaks home?
Yes. California law requires a Natural Hazard Disclosure Statement identifying fire hazard zone designations. Failure to disclose may expose you to civil liability. Contact a licensed real estate professional for proper disclosure forms.
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