Insurers use a fire protection class to estimate how well a community can respond to a fire. In the United States the most common scale is the ISO Public Protection Classification (PPC), which runs from 1 (best) to 10. The class affects homeowners' premiums, which is why people search for it by ZIP code. Unfortunately, the ZIP code is not enough to determine it.
What the classification measures
The PPC program evaluates the fire department (staffing, equipment, training and response), the water supply (hydrants and flow) and emergency communications. A community receives a class, and individual properties may receive a split or modified class depending on their distance from a responding fire station and from a creditable water source.
Why ZIP code lookups are unreliable
ZIP codes cross fire district and municipal boundaries, and a single ZIP can contain a well-protected town center and rural properties far from any hydrant. Two houses in the same ZIP can have very different classes. Any tool that returns one class per ZIP is giving you an average at best.
How to find the class for a property
- Ask your insurance agent or insurer; they retrieve the classification for the exact address when quoting.
- Ask the local fire department or fire marshal; departments know their current ISO rating and any recent changes.
- Fire chiefs and officials can consult ISO Mitigation for community details.
What this site can help with
Use the ZIP code lookup to confirm the postal city, state and county association for a property's ZIP, which you will need when contacting the department or insurer. This directory does not provide insurance ratings.