Greenmead Historical Park, also known as Greenmead Farms, is a 3.2-acre historic park located at 38125 Base Line Rd., Livonia, Michigan. It includes the 1841 Greek Revival Simmons House, six other structures contributing to the historic nature of the property, and additional buildings moved from other locations. Greenmead Farms was designated a Michigan State Historic Site in 1971 and listed on the National Register of Historic Places in 1972.