California's 2020 ember-resistant zone law took effect for VCFD parcels on March 1, 2025. If you got an inspection notice mentioning AB 3074 or Zone 0, or you're trying to figure out if the new rules apply to your property, this is the page you came for.
Assembly Bill 3074 is a California law passed in 2020 that added a new defensible space zone — Zone 0 — around homes in Fire Hazard Severity Zones. Before AB 3074, California's defensible space law required 100 feet of cleared space around structures, divided into Zone 1 (the first 30 feet) and Zone 2 (30 to 100 feet). AB 3074 added Zone 0: the first 5 feet around the structure, which now has to be ember-resistant.
The reason for the new zone is straightforward. After studying the 2017, 2018, and 2020 California wildfires, fire investigators concluded that most homes didn't burn down from flame contact with the structure — they burned from embers landing in combustible material right against the house. Wood mulch beds, dry leaves in gutters, ornamental shrubs touching siding, bark chips under windows. Embers travel half a mile or more on wind, and they ignite exactly where you don't want fire: at the foundation, under the deck, in the gap between the fence and the wall.
AB 3074 told the State Board of Forestry to write specific Zone 0 rules. Local fire districts then translate those state rules into local enforcement — which is where VCFD comes in for Wood Ranch.
State laws don't enforce themselves. They take effect when local fire districts adopt and activate them. For Wood Ranch and the rest of VCFD's jurisdiction, the trigger date is specific.
Effective March 1, 2025, VCFD implemented a full 5-foot non-combustible Zone 0 for new buildings and additions to existing buildings. The requirement is codified in the Ventura County Wildland-Urban Interface Code (VCWUIC) Chapter 6 and VCFD Standard 515. For existing buildings constructed before March 1, 2025, the Zone 0 requirements are strongly recommended but not yet mandatory across the board. Inspectors do still flag obvious Zone 0 violations on annual inspection for older properties.
In plain terms: if your Wood Ranch home is older than March 1, 2025, you're not legally required to bring Zone 0 into full compliance right now. But you are likely to be cited for the most obvious violations during your annual VCFD inspection — wood mulch against the foundation, shrubs touching siding, combustible items stored under decks, lattice screens within the 5-foot zone.
If you're building new, adding to your existing house, or substantially renovating, Zone 0 compliance is mandatory before your project will pass inspection. VCFD checks for it as part of the certificate of occupancy process.
The trajectory is clear: Zone 0 will eventually become mandatory for all properties, not just new construction. Homeowners who bring their Zone 0 into compliance now are getting ahead of an enforcement expansion that's already happening in other parts of California.
The 5-foot ring around your house, deck, and any attached structure. Here's what's in and what's out.
VCFD Guideline 418 and Standard 515 are the source documents. We work to those specifications on every job — and document the work so you have proof for the inspector.
The most common Zone 0 violations we find on Wood Ranch walk-throughs. Most homeowners had no idea any of these were issues.
The single most common Zone 0 violation. Bark, wood chips, or shredded redwood mulch packed against the foundation in landscaping beds. Burns hot, ignites from embers, runs flame directly to the siding.
Fix: replace with gravel, decomposed granite, or lava rock.
Ornamental shrubs — boxwoods, junipers, lavender, rosemary — planted within 12 inches of exterior walls. Provides direct flame contact to the wall when ignited.
Fix: cut back, transplant, or remove. 12-inch minimum setback.
Decorative wood lattice closing off the space under decks. Common in California craftsman and Spanish-style homes. Catches embers, hides combustibles.
Fix: replace with metal screen or non-combustible alternative.
Pool toys, garden hoses, plastic bins, scrap lumber. Under-deck storage is a Zone 0 violation and a common ember-ignition point.
Fix: relocate to garage, shed, or beyond the 5-foot zone.
Bougainvillea, jasmine, ivy growing up exterior walls. Dead inner material is dry fuel pressed against the structure.
Fix: remove or relocate to non-Zone-0 walls and trellises.
Artificial grass that's installed within 5 feet of the structure. Most synthetic turf is combustible and melts hot during fire exposure, which is why VCFD prohibits it in Zone 0.
Fix: replace inside the zone with hardscape or non-combustible groundcover.
VCFD inspectors increasingly cite Zone 0 and AB 3074 violations on notices to abate, especially for properties that have been renovated or added onto since March 2025. If your notice references AB 3074, Zone 0, or the ember-resistant zone, the inspector is telling you that one or more items within 5 feet of your structure don't meet the new standard.
Read the specific violations listed on the notice. They'll typically identify the problem (combustible mulch, shrub setback, under-deck storage) and the location (front foundation bed, back patio, chimney side). The 30-day cure period starts from the date on the letter, not the date you received it.
The fastest path: photograph the notice, call us, walk the property together, agree on a fix, schedule the work. Most Zone 0 fixes are straightforward — removing mulch, transplanting shrubs, replacing lattice — and a Wood Ranch property can usually be brought into Zone 0 compliance in a single day. The work is part of our standard Wood Ranch brush clearance scope — we document with before-and-after photos and a written compliance summary that maps to the inspection notice.
Got a notice referencing Zone 0 or AB 3074? Call (805) 861-1205 and we'll walk it with you.
If you're selling a property in Wood Ranch, Bell Canyon, or any other Very High Fire Hazard Severity Zone, you're required to get a Real Estate Defensible Space Compliance Report. Effective for properties sold after March 1, 2025, that report now includes Zone 0 verification.
The catch: a property built before March 1, 2025 isn't legally required to bring its Zone 0 into full compliance for sale. But the compliance report will document existing Zone 0 violations regardless — and buyers (or their agents) increasingly negotiate based on what the report shows. A property with documented Zone 0 violations can face price reductions or repair credits at close that are larger than the cost of just doing the work upfront.
The cleanest path for sellers: address obvious Zone 0 issues during the standard pre-listing brush clearance work. The marginal cost is small. The benefit at the negotiating table is real.
AB 3074 is part of a larger trend in California fire law that's been moving in one direction since 2017: stricter defensible space rules, shorter cure windows, more enforcement, and more cost on the homeowner when the work isn't done. The state's wildfire losses over the past decade have moved the political and insurance industry consensus toward making Zone 0 mandatory across the board, not just for new construction.
Insurance companies are leading the practical enforcement. In 2024 and 2025, several major insurers either dropped California homeowner policies or added Zone 0 compliance as a coverage condition. Wood Ranch homeowners renewing fire insurance are increasingly being asked for documentation of defensible space compliance — and the standard they're being measured against is closer to the AB 3074 / Zone 0 standard than to the older 100-foot-only rule.
The practical takeaway: even if Zone 0 isn't strictly required for your specific property right now, the direction is unambiguous. Homes that meet the VCFD defensible space standard are better protected, easier to insure, easier to sell, and more likely to be still standing after the next fire. The cost of compliance is real but predictable. The cost of non-compliance is variable and rising.
We'll walk your 5-foot zone with you, identify any AB 3074 violations that would flag on inspection, and give you a firm quote on the work to bring it into compliance. Free, no pressure.