Benjamin Rush House, also known as Chesteridge, is a historic home located in West Whiteland Township, Chester County, Pennsylvania. It was built in 1908 as a summer home for an insurance company president named Benjamin Rush. It is a 2 1/2-story, six bay dwelling built of green serpentine stone and fieldstone in the Georgian Revival style. It has a 1 1/2-story service wing and a 2-story library wing, added in 1928.It was listed on the National Register of Historic Places in 1984.