The Edward G. Acheson House is a historic house at 908 West Main St. in Monongahela, Washington County, Pennsylvania, United States. Probably built about 1870, it is notable as the home of Edward G. Acheson (1856-1931), the inventor of carborundum, and as the likely site of its invention. It was designated a National Historic Landmark in 1976.
The Dr. Joseph Maurer House is a historic house in Washington, Pennsylvania.
The Sackville House was an historic, American building that was located at 309 East Wheeling Street in East Washington, Pennsylvania before it was demolished in 1980.
The Doak–Little House is a historic building in South Strabane Township, Pennsylvania.
The James Thome Farm is a historic farm located in Eighty Four, Pennsylvania. It was designated as a historic residential landmark/farmstead by the Washington County History & Landmarks Foundation, and is listed on the National Register of Historic Places.
The Thomas Munce House is a historic house located in South Strabane Township, Pennsylvania, United States.
Margaret Derrow House is a historic building in Claysville, Pennsylvania.
Montgomery House is a historic building in Claysville, Pennsylvania.
Philip Friend House is a c. 1807 historic farm house in North Bethlehem Township, Pennsylvania, US. The stone house is forty feet by thirty feet, two-story, five-bay, and gable-roofed. Contributing outbuildings include a barn, springhouse, wash house, and privy.
Molly Fleming House is a historic building in California, Pennsylvania.
Dusmal House is a historic building in Gastonville, Pennsylvania. It is a three-bay, 2+1⁄2-story house built in 1839. A one-story addition was added later in the nineteenth century. The historic significance of the house is as an example of the Post Colonial style of architecture found in Western Pennsylvania. Vernacular builders mixed elements of Georgian, Roman Classical, Adamesque, and European Renaissance styles as they saw fit, differing from traditions in other parts of the country.
The Huffman Distillery and Chopping Mill is an historic complex of buildings which is located in Somerset Township, Washington County, Pennsylvania, United States.
David Longwell House is a historic building in Monongahela, Pennsylvania.
Plantation Plenty, also known as the Isaac Manchester House, is an historic American building which is located in Avella, Pennsylvania.
John H. Nelson House is a historic building in Fallowfield, Pennsylvania.
Robert Parkinson Farm is a historic property located in Morris Township, Pennsylvania, United States.
The Regester Log House is an historic, American log house that is located in Fredericktown, Pennsylvania.
Stephenson–Campbell House, also known as the Stephenson–Campbell Property and the Stephenson Log House, is a historic site in Cecil, Pennsylvania containing four contributing buildings. Included are a 1778 log house, a 1929 Sears and Roebuck Company mail order bungalow style house, a 1929 spring house, and a 1928 garage. The log house is 16 feet by 34 feet, with several additions totaling about 1360 square feet. The log house is one of the few pre-1780 log houses still standing in Western Pennsylvania, and the only known example of a single story private home still extant in the area.
Welsh–Emery House is a historic building in Richeyville, Pennsylvania.
The John White House is an historic American building that is located in Chartiers Township, Washington County, Pennsylvania.
