The new museum, planned in association with architects Hellmuth, Obata and Kassabaum, was built on a 59,000-square-foot (5,500 m2) parking lot on Third Street between Mission and Howard streets.[25] The south-of-Market site, an area near the Moscone Convention Center mainly consisting of parking lots, was targeted through an agreement between the museum, the redevelopment agency and the development firm of Olympia & York.