This is a list of the National Register of Historic Places listings in Washington County, Pennsylvania.
The David Bradford House is a historic house museum at 175 South Main Street in Washington, Pennsylvania. Completed in 1788, it was the home of David Bradford, a leader of the Whiskey Rebellion. It has both architectural and historic importance, and was designated a National Historic Landmark in 1983. It is open weekly between April and November, or by appointment.
The Washington County Courthouse is located in downtown Washington, Pennsylvania, United States. It was listed on the National Register of Historic Places on July 30, 1974. It is designated as a historic public landmark by the Washington County History & Landmarks Foundation.
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 F. Julius LeMoyne House is a historic house museum at 49 East Maiden Street in Washington, Pennsylvania. Built in 1812, it was the home of Dr. Francis Julius LeMoyne (1798–1897), an antislavery activist who used it as a stop on the Underground Railroad. LeMoyne also assisted in the education of freed slaves after the American Civil War, founding the historically black LeMoyne–Owen College in Memphis, Tennessee. His house, now operated as a museum by the local historical society, was designated a National Historic Landmark in 1997. It is designated as a historic public landmark by the Washington County History & Landmarks Foundation.
The Washington County Jail is located on Cherry Street, beside the courthouse, in downtown 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 Canonsburg Armory is a former Pennsylvania National Guard armory in Canonsburg, Pennsylvania. It was listed on the National Register of Historic Places on December 22, 1989.
The Hawthorne School was a historic, Tudor Revival school building in Canonsburg, Pennsylvania. It was listed on the National Register of Historic Places on May 8, 1986.
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 Pennsylvania Railroad Freight Station, also called the Chartiers Valley Railway Freight Station, is a historic, former train station building in Washington, Pennsylvania. It was listed on the National Register of Historic Places on July 21, 1995.
The California Area Public Library is the public library serving California, Pennsylvania, and is a branch of the Washington County Library System. The library is located in the former Pennsylvania Railroad Passenger Station, which was listed on the National Register of Historic Places in 1979.
Centerville Historic District is a historic district in Centerville, Pennsylvania. Centerville represents an intact example of the "pike town" typical of the National Road in Pennsylvania. Little commercial activity remains in the town today, but the ninety-four contributing buildings in the district includes taverns, residences, shops, and services buildings typical of the rise and decline of the National Road.
The Huffman Distillery and Chopping Mill is an historic complex of buildings which is located in Somerset Township, Washington County, Pennsylvania, United States.
Plantation Plenty, also known as the Isaac Manchester House, is an historic American building which is located in Avella, Pennsylvania.
Old Main is a historic building on the campus of Pennsylvania Western University California in California, Pennsylvania.
Robert Parkinson Farm is a historic property located in Morris Township, Pennsylvania, United States.
Joseph Franklin Kuntz was an American architect who was based in Pittsburgh, Pennsylvania. He designed at least eighteen armories in Western Pennsylvania, with the W.G. Wilkins Company, following the 1905 creation of a state armory board.
The Butler Armory is an historic National Guard armory which is located on Washington Street in Butler, Butler County, Pennsylvania.
