Different decades, different neighborhoods, the same mechanism. Embers fly ahead of the fire front, land in mulch, fences, and vegetation against homes, and turn a wildfire into a neighborhood fire.
The January 2025 Palisades Fire became one of the most destructive fires in California history, destroying thousands of structures across Pacific Palisades and the coastal canyons. Survivor patterns matched the ember research: homes with hardened first-five-feet perimeters stood while neighbors burned. It is the direct backdrop for how aggressively LA will enforce Zone Zero.
Sparked along the 405 near the Getty Center, this October 2019 fire pushed into Brentwood's hillside streets and destroyed homes despite a massive overnight response. Mandatory evacuations stretched across the Westside: a reminder that a small-acreage fire in LA terrain still takes houses.
A December Santa Ana event that jumped into Bel-Air from the Sepulveda Pass, burning homes on some of the most expensive streets in the city. Small fire, high loss density. Ember-caught landscaping and combustible attachments did the damage.
The same December wind event drove the Creek Fire out of Kagel Canyon into Sylmar and the northeast Valley, burning more than 15,000 acres and dozens of homes along the urban edge of the Angeles National Forest.
The November 2008 Sayre Fire in Sylmar destroyed 480 homes at Oakridge Mobile Home Park in a single night: the largest loss of homes in Los Angeles city history until the Palisades Fire surpassed it in 2025.
Most homes lost in wildfires are not touched by the fire front. They ignite from embers: burning fragments carried by wind, sometimes more than a mile ahead of the flames.
The Insurance Institute for Business & Home Safety (IBHS) demonstrated this in full-scale ember-storm testing: what determines survival is the material in the first five feet. Mulch beds, fences, doormats, and plants against walls. That research is the scientific spine of AB 3074, the 2020 law that created Zone Zero.
SB 504 (2024) gave the Board of Forestry enforcement authority, and AB 1455 (2025) set the compliance timeline. LA's fire record is why the city is expected to enforce it seriously.
See every Zone Zero deadline →If you're in a Very High Fire Hazard Severity Zone, yes. Ember cast doesn't respect fire history. Sylmar, Bel-Air, Brentwood, and the Palisades all had long quiet stretches before their worst fires.
Post-fire damage inspections repeatedly find the same thing: survival correlates with noncombustible perimeters, clean roofs and gutters, and no fuel against walls. That evidence, formalized by IBHS testing, is what Zone Zero codifies.
CAL FIRE publishes Fire Hazard Severity Zone maps, and roughly 1 in 8 homes in the City of LA falls in a Very High zone. A free assessment will confirm your parcel's status.
Find out what your first five feet look like to an ember, before the next Santa Ana event. The assessment is 100% free.