Co-op City is a New York State Mitchell-Lama housing cooperative with 15,372 residential units in 35 high-rise buildings and seven (7) townhouse clusters that consist of garden and duplex apartments. It is the largest single residential development in the United States with a population of approximately 50,000 residents. There are three shopping centers on Co-op City property, three community centers, eight parking garages, professional offices and an education park with elementary through high school on the grounds. The development is located across from one of the largest shopping centers in New York City, Mall at Bay Plaza. It is accessible by public transportation to all points of the city, including an express bus to Manhattan. A Metro-North railroad station is also planned for Co-op City pending completion of the Penn Station Access Project.
In December 2018, Co-op City celebrated its 50th anniversary of providing affordable homes to a diverse cross section of middle-income New Yorkers.
Riverbay Corporation is the corporate entity of Co-op City.
Riverbay Residential Sales Department is the exclusive agent for all apartment sales in Co-op City.