Are There Zone 0 Deadlines in Altadena?
Zone Zero Altadena / Deadlines
What is in force, what is proposed, and what to do now
There is no Altadena Zone 0 calendar to publish. This page lists dated facts only. A draft is not a deadline.
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Now · in force
Existing law applies
PRC §4291 and Gov. Code §51182: roofs and gutters kept clear of leaves and needles, and branches within 10 feet of a chimney outlet removed. Required now.
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August 19, 2026
Board of Forestry approves a draft
The Board approved a final draft of the statewide Zone 0 regulation. Proposed — not in force. Approval of a draft is not a regulation taking effect.
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September 8, 2026
OAL lists the emergency filing as withdrawn
OAL file 2026-0828-03E. There is no statewide effective date and no statewide phase-in clock.
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No date
A local Zone 0 ordinance for Altadena
As of September 19, 2026 we have not identified one. Confirm with LA County Fire before acting on any deadline.
| Item | Who it covers | Date | Label |
|---|---|---|---|
| Keep roofs and gutters clear of leaves and needles; remove branches within 10 ft of a chimney outlet | Existing law (PRC §4291, Gov. Code §51182) | In force now | Required now |
| Statewide Zone 0 regulation | Would apply in SRA / Very High FHSZ only if it takes effect | No effective date | Proposed — not in force |
| Local Zone 0 ordinance for Altadena | Unincorporated LA County; fire authority is LA County Fire | None identified as of Sept. 19, 2026 | Confirm locally |
| Clear combustibles from 0–5 ft | Any home | No deadline: do it now | Recommended now |
| 100-foot defensible-space radius | Listed by LA County Fire as a recommendation | No deadline: do it now | Recommended now |
| Ember-resistant vents and hardening upgrades | Any home in fire country | No deadline: do it now | Recommended now |
Your jurisdiction sets the specifics
The Los Angeles County Fire Department is the fire authority for unincorporated Altadena. We have not identified a county Zone 0 ordinance. Its Defensible Space program lists chimney clearance as required and a 100-foot radius as a recommendation.
If the state or the county adopts a Zone 0 rule, this page will carry the dated facts. Until then, treat any Zone 0 date quoted elsewhere as unconfirmed for Altadena.
Deadline questions, answered
Is there a Zone 0 deadline for Altadena?
As of September 19, 2026 we have not identified a local Zone 0 ordinance or deadline for Altadena, and there is no statewide Zone 0 regulation in force. Confirm with LA County Fire before acting on any deadline.
Is Zone 0 a statewide law in California?
As of September 19, 2026 there is no statewide Zone 0 regulation in force in California. The Board of Forestry approved a draft on August 19, 2026, but the emergency filing (OAL file 2026-0828-03E) is listed as withdrawn on September 8, 2026. Existing defensible-space law (PRC §4291 and Gov. Code §51182) still applies, including keeping roofs and gutters clear of leaves and needles.
What happened on August 19 and September 8, 2026?
The Board of Forestry approved a final draft on August 19, 2026. OAL file 2026-0828-03E is listed as withdrawn on September 8, 2026. A draft that has not taken effect is Proposed — not in force.
Could this change?
Yes. The statewide draft could be refiled or revised, and a local ordinance could be adopted. Wildfire Los Angeles notes that local alternatives may be adopted. This page is dated September 19, 2026; confirm with LA County Fire.
Know what applies before anyone sets a date
Send a request and the team will follow up by email about what is required now and what is recommended.