All countiesSierra County
Zone 0 status in Sierra County
Sierra County doesn't have its own local ember-resistant zone ordinance on file - it follows California's statewide Zone 0 rule (PRC §4291 / AB 3074), adopted by the Board of Forestry on August 19, 2026 and pending final state filing before it's legally effective. Your property's actual defensible-space requirements today depend on its Fire Hazard Severity Zone, not the county line.
Statewide rule adopted, pending final filing The statewide Zone 0 rule (adopted August 19, 2026, pending final state filing) applies here based on your property's Fire Hazard Severity Zone, not a county-wide mandate.
Check an address in Sierra CountyWhat this is, and isn't Zone Zero Check is an independent, AI-assisted informational tool. It is not affiliated with CAL FIRE or the State of California, and it does not satisfy the official Defensible Space Inspection required under Civil Code §1102.19 (AB 38) for a home sale. That documentation comes only from CAL FIRE or your local fire department, request it directly at
fire.ca.gov/dspace.