Defensible Space: Simi Valley vs Thousand Oaks
How do defensible space rules compare between Simi Valley, CA and Thousand Oaks, CA?
Simi Valley, CA
Ventura County
No data available yet for Simi Valley.
Thousand Oaks, CA
Ventura County
Thousand Oaks parcels in state and local responsibility fire zones must maintain 100 feet of defensible space around structures, enforced by Ventura County Fire after the 2018 Borderlands fire.
View full Thousand Oaks rules →Key Facts Comparison
| Fact | Simi Valley | Thousand Oaks |
|---|---|---|
| Clearance distance | - | 100 feet around structures |
| Authority | - | Ventura County Fire (VCFD) |
| State law | - | Public Resources Code 4291 |
| Inspection season | - | Spring annually |
Highlighted rows indicate differences between cities.
Simi Valley FAQ
No FAQs available.
Thousand Oaks FAQ
Does defensible space apply to all Thousand Oaks homes?
Primarily homes in state or local fire hazard zones, including hillside areas adjacent to COSCA open space and Santa Monica Mountains. VCFD maps zones online.
Can I keep oak trees in my defensible space zone?
Yes. Native oaks are protected under TOMC Title 5 §5-15. Thin lower branches and clear ladder fuels beneath, but do not remove the tree without a permit.
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