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Beyond the Five Feet

Should I Harden My Agoura Hills Home Against Embers?

Yes, as a Recommended now step, not because a Zone 0 rule requires it. As of September 19, 2026 we have not identified a local Zone 0 ordinance for Agoura Hills, and no statewide Zone 0 regulation is in force. Clearing the first five feet plus sealed vents, clean gutters, and protected eaves is the combination hardening guidance points to in the Santa Monica Mountains corridor.
Priority Order

Harden in the order embers attack

Every item below is Recommended now: not required by any Zone 0 rule we have identified, but supported by IBHS ember research.

Priority 1

Vents

Swap attic, eave, and crawlspace vents for ember-resistant models (1/8 inch mesh or listed flame-and-ember rated). This is the cheapest fix with the largest survival impact.

Priority 2

Gutters & roof edge

Oak and sycamore litter in gutters is an ember bed at roof level. Clean before every Santa Ana season; add metal gutter guards and check the drip edge.

Priority 3

Eaves & gaps

Open eaves and unsealed gaps collect wind-driven embers. Box or seal eaves, caulk gaps at siding transitions, and screen the space under decks.

Priority 4

Windows

Single-pane glass fails in radiant heat. Dual-pane with at least one tempered layer is the standard for exposure-facing sides, especially walls facing open space.

Priority 5

Decks

The space under a deck is part of the first five feet. Clear stored items and litter beneath, screen the perimeter, and consider ignition-resistant boards at replacement time.

Priority 6

Roof

Check your roof material. If yours is older wood shake, replacement is the single biggest upgrade on this list.

The Local Angle

Built in the 70s and 80s, tested in 2018

Much of Agoura Hills housing went up in the 1970s and 1980s, before modern wildfire construction codes. That generation of homes typically carries original vents, open eaves, and side-yard wood gates: exactly the ember pathways on this list.

The Woolsey Fire ran through the city's canyons and open space in November 2018. Homes in and around Agoura Hills burned while neighbors survived. Ember research points to where to look for the difference: ember entry points and the first five feet.

Read the Woolsey account →

Before Santa Ana season

Gutters and roof valleys clearedAnnual
Vent screens checked for damageAnnual
First 5 ft raked of oak litterSeasonal
Under-deck storage emptiedSeasonal
Side-yard gate: fuel path checkOnce, then done
Common Questions

Hardening questions, answered

What is the single highest-value hardening upgrade?

Ember-resistant vents. Embers entering attic and crawlspace vents ignite homes from the inside, invisibly, sometimes hours after the front passes. Vent retrofits are modest in cost and pay off in every fire scenario.

Is home hardening required by Zone 0?

No. As of September 19, 2026 no Zone 0 rule is in force for Agoura Hills that we have identified, and Zone 0 concerns the 5 feet around the structure, not the structure itself. Hardening the structure, vents, gutters, eaves, is Recommended now, and it is what ember research says helps houses survive. Do both.

Does hardening help with insurance in Agoura Hills?

It can. California's Safer from Wildfires framework recognizes specific hardening measures, and carriers writing in the Santa Monica Mountains corridor ask about vents, roofs, and the first five feet.

Where do embers actually get in?

Vents, open eaves, gutters full of oak litter, gaps at the roof edge, and anything combustible touching the wall. In wind-driven fires like Woolsey, embers, not just direct flame, are how many homes ignite.

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