Wildfire Zones: Oxnard vs Simi Valley
How do wildfire zones rules compare between Oxnard, CA and Simi Valley, CA?
Oxnard has fewer restrictions than Simi Valley.
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 →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 | Oxnard | Simi Valley |
|---|---|---|
| VHFHSZ Status | Most of Oxnard is NOT in VHFHSZ | - |
| Risk Areas | Near Santa Clara River, open space | - |
| Building Code | CBC Chapter 7A in fire zones | Chapter 7A fire-resistant materials |
| CalFire Maps | Available at fire.ca.gov | - |
| Designation | - | VHFHSZ (CAL FIRE) |
| Key Event | - | 2019 Easy Fire, 1,800+ acres |
| Defensible Space | - | 100 feet mandatory |
Highlighted rows indicate differences between cities.
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.
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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