Wildfire Zones: Fillmore vs Oxnard
How do wildfire zones rules compare between Fillmore, CA and Oxnard, CA?
Oxnard 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 →Oxnard, CA
Ventura County
Oxnard is primarily a low-fire-risk coastal and agricultural city. Most of the city is not within a CalFire-designated Very High Fire Hazard Severity Zone. However, areas near open space and the Santa Clara River may have moderate fire risk during dry conditions.
View full Oxnard rules →Key Facts Comparison
| Fact | Fillmore | Oxnard |
|---|---|---|
| Fire Zones | VHFHSZ in hillside areas | - |
| Building Code | Chapter 7A fire-resistant construction | CBC Chapter 7A in fire zones |
| Roofing | Class A fire-rated required | - |
| Defensible Space | 100 feet mandatory | - |
| Recent Fire | Thomas Fire 2017 impacted area | - |
| VHFHSZ Status | - | Most of Oxnard is NOT in VHFHSZ |
| Risk Areas | - | Near Santa Clara River, open space |
| CalFire Maps | - | Available at fire.ca.gov |
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.
Oxnard FAQ
Is Oxnard in a high fire hazard zone?
Most of Oxnard is not in a Very High Fire Hazard Severity Zone. The coastal location and agricultural surroundings reduce wildfire risk, though seasonal Santa Ana winds can elevate risk near open spaces.
Do I need fire-resistant construction in Oxnard?
If your property is in a CalFire-designated fire zone, new construction must meet Chapter 7A of the California Building Code. Most Oxnard residential areas do not have this requirement.
Where can I check my property's fire zone?
Check CalFire's fire hazard severity zone maps at fire.ca.gov or contact Oxnard Fire Department at (805) 385-7722 for property-specific information.
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