William Ferdon House
William Ferdon House, also known as Ferdon Hall, is a historic home located at Piermont in Rockland County, New York. It was built about 1835, and is a two-story, Greek Revival style frame dwelling. It features a monumental front portico supported by six Ionic order columns. It has modern two-tiered flanking wings and a rear verandah. It was the home of U.S. Congressman John W. Ferdon (1826-1884). It was listed on the National Register of Historic Places in 2011.