Bush-Lyon Homestead is a historic home located at Port Chester, Westchester County, New York. The earliest part was built about 1720. It is a 1 1⁄2-story, five-by-two-bay, frame residence faced in shingles and clapboards. It has a center stone chimney. The rear kitchen wing and 1-story north wing were added about 1800 and the house given its saltbox configuration.