A & A Properties The Land Mark, is a Texas real estate firm, located at 12259 Alameda, Ste. A, Clint, TX 79836. A & A Properties The Land Mark 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 A & A Properties The Land Mark current listings. Recently serving clients in areas Valley Creek South.