Is Home Hardening Required in Calabasas?
Where Zone 0 ends, hardening begins
Ranked by how embers reach a house and by cost-to-benefit, here is a sensible order for a typical Calabasas foothill home. Each card carries its status label.
1. Ember-resistant vents
Often the highest-value upgrade on the list. Embers can enter attics and crawl spaces through standard vents, and retrofits are usually inexpensive next to fence or landscape work.
2. Roof edges & gutters
Keeping roofs and gutters clear of leaves and needles is already required (PRC §4291, Government Code §51182). Metal gutter guards and bird stops are recommended extras.
3. The first five feet
The Zone 0 work itself: mulch out, fences fixed at the connection point, stored items relocated. We have not identified a Calabasas rule that requires it, and the statewide draft is Proposed — not in force.
4. Gates, decks, structures
Combustible gates and decks attached to the house are a common ember path. Plan any replacement with the fence work to save mobilization costs.
Openings and attachments are the weak points
Hardening protects the openings in your walls, and the first five feet protects what sits against them. The usual gaps are ember entry through vents, debris-filled gutters, wood gates and fences tied into walls, and combustible material in the first five feet.
None of these upgrades depends on a Zone 0 rule being in force. They are worth doing on their own merits, and they leave the architecture your HOA cares about largely untouched.
Hardening questions from Calabasas homeowners
Is home hardening required in Calabasas?
Not by a Zone 0 rule we have identified. As of September 19, 2026 no statewide Zone 0 regulation is in force and we have not identified a local Zone 0 ordinance for Calabasas. Existing law does require roofs and gutters to be kept clear of leaves and needles (PRC §4291 and Government Code §51182). Hardening the structure, such as vents and roof edges, is Recommended now.
Is Zone 0 a statewide law in California?
No, not as of September 19, 2026. There is no statewide Zone 0 regulation in force in California. The Board of Forestry approved a final draft on August 19, 2026, but the state's own record lists OAL file 2026-0828-03E as withdrawn on September 8, 2026. AB 3074 directed the state to develop an ember-resistant zone; that direction is not a current statewide rule that homeowners must keep the first 5 feet clear. Existing defensible-space law (PRC §4291 and Government Code §51182) still applies, including keeping roofs and gutters clear of leaves and needles.
What is the single highest-value upgrade for a Calabasas home?
Ember-resistant vents are often the first upgrade to consider. Embers can enter attics and crawl spaces through standard vents, and vent retrofits usually cost far less than fence or landscape conversions. This is a recommendation, not a Zone 0 requirement.
Is a stucco wall and tile roof enough?
They are a strong starting point, but the gaps are usually in the details: unbaffled vents, debris in tile gaps and gutters, wood gates tied to the wall, and combustible material in the first 5 feet.
Have a question about what your home needs?
Send a request and the team will follow up by email about vents, roof edges, gates, and the five feet.