The Schinasi House is a 12,000-square-foot (1,100 m2), 35-room marble mansion located at 351 Riverside Drive on the Upper West Side of Manhattan in New York City. It was built in 1907 for Sephardic Jewish tobacco baron Morris Schinasi. Completed in 1909 at the northeast corner of West 107th Street and Riverside Drive, the three-story, 12,000 square foot mansion was designed in neo-French-Renaissance style by William Tuthill.