He maintains a public listing in the New York City phone directory .
During his term as mayor , he lived not in Gracie Mansion -- the official mayoral residence -- but instead at his own home on the Upper East Side of Manhattan .
He maintains a public listing in the New York City phone directory , and during his term as mayor , he lived not in Gracie Mansion -- the official mayoral residence -- but instead at his own home on the Upper East Side of Manhattan .