Cal Fire said the maps are proactive, to be used in wildland-urban interface building standards for new construction and natural hazard real estate disclosures at the time of sale.

The California Department of Forestry and Fire Protection has updated its classification of areas that are more at risk of being affected by wildfires. The new fire hazard severity zone map shows which California neighborhoods are considered “very high” zones while others can be classified as “high” or "moderate.