ISO Letter

ISO Insurance Letter for Homes Protected by Cy Fair Fire Department

Effective February 1, 2019

The Insurance Services Office, or ISO for short, is a business that provides statistical and actuarial information along with certain advisory services to other businesses, mainly, insurance companies. ISO focuses on property/casualty insurance, including both personal and commercial lines. Its customers include insurers, actuaries, agents and brokers, and government entities, such as fire and building code departments.

ISO Insurance Letter (PDF)