Official RU-vid page for Sterling Property Group Powered by Keller Williams in San Angelo, TX. SPG specializes in all areas of real estate including commercial, farm/ranch, and residential. The information contained herein has been gathered from sources deemed reliable; however, Sterling Property Group, LLC, Keller Williams Realty, and 2185 Properties, LLC and its principals, members, officers, associates, agents and employees cannot guarantee the accuracy of such information.