CAL FIRE β Defensible Space
The official guidance on the three defensible-space zones, vegetation management, and what must be removed from each zone.
Visit readyforwildfire.org βInsurance carriers are enforcing Zone 0 today. AB 3074 rules being finalized in mid-to-late 2026. Insurance carriers are enforcing Zone 0 today.Rules finalizing 2026.
Official sources
FireReadyHome is a private service. For official guidance, consult these California state resources directly.
The official guidance on the three defensible-space zones, vegetation management, and what must be removed from each zone.
Visit readyforwildfire.org βThe agency administering the Zone 0 regulations, the enforcement timeline, and the formal rulemaking documents.
Visit bof.fire.ca.gov βConstruction-side guidance: roofing, vents, eaves, siding, decks, and windows β the materials that determine whether a home survives ember exposure.
Visit readyforwildfire.org βThe Department of Insurance's wildfire resources, including consumer alerts, complaint processes, and information on the FAIR Plan.
Visit insurance.ca.gov βOfficial map tool to look up whether a specific parcel is in a designated Very High Fire Hazard Severity Zone (VHFHSZ).
Open the VHFHSZ map βThe statutory text underlying defensible-space requirements in California. Worth a read if you want to understand exactly what the law says.
Read the statute β