There are 126 real estate agents found in Limestone County, TX. There are 7 cities in Limestone County which include Groesbeck , Thornton , Mexia , Coolidge , and Kosse . There are 7 zip codes in Limestone County which include 76642 , 76687 , 76667 , 76635 , and 76653 . View our Limestone County real estate area information to learn about the weather, local school districts, demographic data, and general information about Limestone County, TX. Get in touch with a Limestone County real estate agent who can help you find the home of your dreams in Limestone County. Use our mortgage calculator to see how much it would be to finance a home in Limestone County. Not ready to buy yet? Find and compare apartments for rent in Limestone County.