Insurance carriers are enforcing Zone 0 today. Rules finalizing 2026.

Check my home →

Official sources

Official wildfire resources.

FireReadyHome is a private service. For official guidance, consult these California state resources directly.

Start here

Not sure which fire hazard zone you’re in?

Our Fire Hazard Severity Zone lookup checks your address against the official CAL FIRE data and tells you what your zone triggers — before you dig into the official sources below.

CAL FIRE — Defensible Space

The official guidance on the three defensible-space zones, vegetation management, and what must be removed from each zone.

Visit readyforwildfire.org

Board of Forestry — AB 3074 / Zone 0

The agency administering the Zone 0 regulations, the enforcement timeline, and the formal rulemaking documents.

Visit bof.fire.ca.gov

CAL FIRE — Home Hardening

Construction-side guidance: roofing, vents, eaves, siding, decks, and windows — the materials that determine whether a home survives ember exposure.

Visit readyforwildfire.org

California Insurance Commissioner — Wildfire

The Department of Insurance's wildfire resources, including consumer alerts, complaint processes, and information on the FAIR Plan.

Visit insurance.ca.gov

CAL FIRE — Fire Hazard Severity Zone Viewer

Official map tool to look up whether a specific parcel is in a designated Very High Fire Hazard Severity Zone (VHFHSZ).

Open the VHFHSZ map

Public Resources Code §4291

The statutory text underlying defensible-space requirements in California. Worth a read if you want to understand exactly what the law says.

Read the statute