The official mayor's residence, Gracie Mansion was built in 1799 by shipping merchant Archibald Gracie, and enlarged in 1966. Ten mayors have lived here since it became the official residence in 1942, though Michael Bloomberg stayed in his own 79th Street town house during his three terms as mayor. He poured millions into renovations at Gracie Mansion, rejuvenating both the interior and exterior and turning the second floor into a house museum. View More...