California Casualty Indemnity Exchange has filed to replace Verisk Analytics’ FireLine factor with ZestyAI’s Wildfire Score factor in its Idaho homeowners program.

The proposal includes base rate revisions and carries no overall rate impact across 879 policyholders representing approximately $1.3 million in written premium. Individual policy impacts range from a 20.7% decrease to a 235.9% increase.

By policy type, the filing proposes a 0.2% increase for standard homeowners and mobile home policies, a 10% decrease for renters, and no overall change for dwelling fire or condo policies.

Submitted October 23, the filing requests a December 1, 2026, effective date for new and renewal business. No disposition is recorded in the supplied filing.