A rating schedule was developed by the Insurance Services Office (ISO). This rating schedule serves insurance companies that cover property and casualty benefits for their clients. ISO representatives use the schedule when surveying a community’s fire protection capabilities. ISO rating system is from 1 (the best) to 10 (the worst). The ISO rating for San Marcos is 2/9/10.
To learn more about ISO click on Texas Department of Insurance or Texas Addendum to the Fire Suppression Rating Schedule.