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What the ember-resistant zone rules mean for this city, under its actual designation and its actual fire authority.
The local snapshot
Ojai sits in its oak-ringed valley almost entirely surrounded by wildland, and the 2025 remap treated it accordingly: the city's Very High acreage more than tripled, as reported by The Acorn. The Thomas Fire burned the valley's rim in 2017 and the town remembers watching the ridgelines glow. The first five feet is the highest-leverage prevention within the mapped zones, and in a town this canopied, the honest conversation is as much about what the rules don't require (removing healthy oaks) as what they do.
The local record
In December 2017 the Thomas Fire encircled the Ojai Valley, burning the surrounding ridges while the town itself was spared the worst structure loss that Ventura's hillsides suffered. The experience of being ringed by fire, evacuation routes limited to a few valley exits, is why Ojai's preparation culture runs deep and why the 2025 remap's tripling of the city's Very High acreage surprised few residents. The practical takeaway for Zone 0 is specific to this town: the first five feet at the structure is the controllable piece, and the oak canopy conversation belongs with VCFD, not with a chainsaw crew acting on a headline.
Who enforces it
The Ventura County Fire Department (VCFPD / VCFD) is the Authority Having Jurisdiction here. Inside VCFPD, 2025 VCWUIC section 604.8.2 Zone 0 is Required now for new buildings, additions, new landscape, and refurbished landscape, effective March 1, 2025. Statewide Zone 0 is Proposed — not in force. Existing defensible space still applies. The deadlines page names what is Required now versus Proposed — not in force; your jurisdiction sets the specifics, and this page names yours. For the requirements themselves, start with the regulations guide, fences and gates, and landscaping.
Questions
The city's Very High acreage more than tripled in the 2025 remap, as reported by The Acorn. For a town ringed by wildland on nearly every side, the updated modeling formalized what the geography always said.
No. The withdrawn statewide draft is not in force, and it is not a mandate to remove healthy oaks. Inside VCFPD, local Zone 0 is Required now for new buildings, additions, and new or refurbished landscape. For existing homes the first five feet is Recommended now. Verify with VCFD before removing anything.
It burned the valley's surrounding ridges in December 2017 and put the town through encirclement and evacuation, though Ojai was spared the concentrated structure loss Ventura's hillsides suffered. The memory shapes the valley's preparation culture to this day.
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