Gracie Mansion is the official residence of the mayor of New York City. Built in 1799, it is located in Carl Schurz Park, at East End Avenue and 88th Street in the Yorkville neighborhood of Manhattan. The federal-style mansion overlooks Hell Gate in the East River and consists of the original two-story house and an annex built in 1966. The original house is a N…Gracie Mansion is the official residence of the mayor of New York City. Built in 1799, it is located in Carl Schurz Park, at East End Avenue and 88th Street in the Yorkville neighborhood of Manhattan. The federal-style mansion overlooks Hell Gate in the East River and consists of the original two-story house and an annex built in 1966. The original house is a New York City designated landmark and is listed on the National Register of Historic Places.