 The district boundaries encompass Main and Lessey Streets, east of Amherst center, from their junction eastward to Gray Street and the Amherst railroad station, which marks the eastern end of the district.In addition to a number of properties on Main and Lessey Streets, the district also includes Sweetser Park and contributing properties on Tyler Place as well as Triangle, Gray and Kellogg Streets.The district was added to the National Register of Historic Places in 1977.