• The District’s ISO Classification

  • The TCVFD has an ISO rating of "5/9" (read "5 slash 9"). Classifications are on a scale of 1 to 10, where 1 is best and 10 means there is no creditable fire protection. ISO is focused solely on structure fire protection, and in determining the protection classification applicable to a neighborhood, or an isolated structure, they consider any structure further than five road miles from a fire station too far to be saved in the event of a catastrophic fire.

    TCVFD's Class 5 rating applies to all properties within five road miles of the Trinity Center fire station and within 1,000 feet of a creditable hydrant or alternate water supply. This includes the Trinity Center subdivision, Trinity Meadows, Northwood Estates, Trinity Knolls and KOA.

    Class 9 applies to properties beyond 1,000 feet of a fire hydrant, but within five road miles of the fire station. Properties beyond five road miles from the fire station are Class 10.

  • The Insurance Services Office (ISO) is a commercial company that provides statistical information and other services to the insurance industry. Many years ago, ISO created its Public Protection Classification (PPC) program to provide a rating system for fire departments. Their theory is that insurability of a property is directly related to many factors, one of which is the availability and capability of a local fire department.

    ISO sends a comprehensive questionnaire, and schedules a site visit by an auditor, to measure the capabilities of a department. Trinity Center VFD has scored well for many years, providing a Class 5/9 rating to local properties. The most recent audit was conducted in 2018. Click here for the letter from ISO confirming our classification rating.

    For more information about the ISO Fire Suppression Rating Schedule, visit the Overview page.