Ampco System Parking operates the parking garage for the Watt Plaza towers, 1875 and 1925 Century Park East. Visitor parking is charged at 12-minute rates, with a daily maximum. Some businesses in the Plaza may offer validation. Monthly parking is available for tenants of the building and employees. Validation stamp books are available at the parking office on the first level of the garage. Ampco System Parking is a part of ABM Industries, a nationwide provider of commercial building services.