Cornerstone Real Estate Group, is a Texas real estate firm, located at 1108 N. US Hwy 83, Zapata, TX 78076. Cornerstone Real Estate Group provides a wide-range of real estate services. Consumers continue to find value in having a real estate professional help them through the home buying and selling process. The wide variety of services real estate professionals provide are proving ever more valuable in real estate transactions(financing twists and sales contract intricacies). Please view Cornerstone Real Estate Group current listings. Recently serving clients in areas Regency Park (Webb).