staff report memo · M-10
M-10 - Public Protection Classification Report - ISO Rating
Page 6 of 24
Text from the PDF text layer; check the PDF for anything that matters. What’s changed?
As you can see, we’re still maintaining split classes, but it’s how we represent them to
insurers that’s changed. The new designations reflect a reduction in fire severity and loss and
have the potential to reduce property insurance premiums.
Benefits of the revised split class designations
To the fire service, the revised designations identify enhanced fire suppression
capabilities used throughout the fire protection area
To the community, the new classes reward a community’s fire suppression efforts by
showing a more reflective designation
To the individual property owner, the revisions offer the potential for decreased property
insurance premiums
New water class
Our data also shows that risks located more than 5 but less than 7 road miles from a
responding fire station with a creditable water source within 1,000 feet had better loss
experience than those farther than 5 road miles from a responding fire station with no
creditable water source. We’ve introduced a new classification —10W — to recognize the
reduced loss potential of such properties.
What’s changed with Class 10W?
Class 10W is property-specific. Not all properties in the 5-to-7-mile area around the
responding fire station will qualify. The difference between Class 10 and 10W is that the
10W-graded risk or property is within 1,000 feet of a creditable water supply. Creditable water
supplies include fire protection systems using hauled water in any of the split classification
areas.
What’s the benefit of Class 10W?
10W gives credit to risks within 5 to 7 road miles of the responding fire station and within
1,000 feet of a creditable water supply. That’s reflective of the potential for reduced property
insurance premiums.
What does the fire chief have to do?
Fire chiefs don’t have to do anything at all. The revised classifications went in place
automatically effective July 1, 2014 (July 1, 2015 for Texas).
What if I have additional questions?
Feel free to contact ISO at 800.444.4554 or email us at [email protected].
PPC is a registered trademark of Insurance Services Office, Inc.
Page 5
Sources
- sharepoint (M-10 - Public Protection Classification Report - ISO Rating.pdf) — where it was found ↗ first seen Oct 12, 2026
Data last updated October 15, 2026. Built from the archive's documents; see how the data is built.