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ISO Rating

ISO - Insurance Services Office, Inc.


Insurance Services Office, Inc., is the leading supplier of statistical, underwriting, and actuarial information for the property/casualty insurance industry. Most insurers use the PPC classifications for underwriting and calculating premiums for residential, commercial and industrial property.

When you purchase a home or change insurance companies, the insurance company may ask what the ISO rating is for the city your home/business is located in or possibly what the ISO rating is for your local fire department. In many communities,  ISO develops a split classification (for example 1/9). Generally, the first class, being the one (1), in the example, applies to properties within a defined distance (5 road miles in most states) of a fire station and within 1,000 feet of a hydrant but within the defined distance of a fire station. ISO generally assigns Class 10 to properties beyond the defined distance. For more information on Texas PPC classifications, go to the Texas Department of Insurance website.

In 2013, the City of Wylie was proud to notify business owners and residents the Insurance Services Offices reviewed the city's services, and renewed the City of Wylie's Class One PPC Rating (1/9)!  The report can be reviewed by looking at the ISO City of Wylie, Rockwall/Collin/Dallas County, Texas letter.

If you are not within the city limits of Wylie, the PPC rating for most residents in our ETJ is a nine (9).  Click to review the ISO Wylie OPA, Rockwall/Collin/Dallas County letter.




City Of Wylie  |   300 Country Club Road  |   Wylie, Texas  75098  |   972.516.6000