850 Third Avenue is a glass and aluminum faced high-rise building constructed in 1960; Architect is Emery Roth & Sons. The property has 21 stories, with a “wedding cake” massing. The NYPD and FDNY are tenants in the building on 51st street. Retail tenants include Chase Bank and Ann Taylor Retail. Delgado’s Newsstand is a deli located in the lobby.