This indoor garage is located on the right side of Fannin St, between Polk St and Clay St. Look for a green and black vertical sign that reads "Green Street, Park" in white. There is an additional entrance on Clay St, between Main St and Fannin St. The official address of this location is 1301 Main St. (The address of the garage entrance is 1320 Fannin St.) Scan parking pass at entry gate - Do Not press button for ticket. Collect ticket from gate and retain for exit purposes. Park in any spot not marked "Reserved". Upon departure, insert ticket into exit gate. MobileQR