Coldwell Banker The Ron Brown Company, is a Texas real estate firm, located at 930 Walnut, Columbus, TX 78934. Coldwell Banker The Ron Brown Company 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 Coldwell Banker The Ron Brown Company current listings or sold listings.