National Historic Register properties in Washington county/parish, Pennsylvania

• Slusher, David, Farm (Amwell Township)
• Manchester, Isaac, House (Avella)
• Meadowcroft Rockshelter (Avella)
• Wilson's Mill Covered Bridge (Avella)
• Wright, Cerl, Covered Bridge (Bentleyville)
• Malden Inn (Blainsburg)
• Wilson, Levi, Tavern (Buffalo Twp.)
• Jackson's Mill Covered Bridge (Burgettstown)
• Fleming, Molly, House (California)
• Jennings-Gallagher House (California)
• Old Main, California State College (California)
• Pennsylvania Railroad Passenger Station (California)
• Administration Building, Washington and Jefferson College (Canonsburg)
• Canonsburg Armory (Canonsburg)
• Hawthorne School (Canonsburg)
• Roberts House (Canonsburg)
• Nesbit-Walker Farm (Canton Township)
• Stephenson-Campbell House (Cecil)
• Centerville Historic District (Centerville)
• Harrison House (Centerville)
• Charleroi-Monessen Bridge (Charleroi)
• US Post Office-Charleroi (Charleroi)
• Charleroi Historic District (Charleroi Borough)
• First National Bank of Charleroi (Charleroi Borough)
• White, John, House (Chartiers Township)
• Caldwell Tavern (Claysville)
• Derrow, Margaret, House (Claysville)
• Mays, Blaney Covered Bridge (Claysville)
• Montgomery House (Claysville)
• Huffman Distillery and Chopping Mill (Cokeburg)
• Leatherman Covered Bridge (Cokeburg)
• Mingo Creek Presbyterian Church and Churchyard (Courtney)
• Kinder's Mill (Deemston)
• Cement City Historic District (Donora)
• Webster Donora Bridge (Donora)
• East Washington Historic District (East Washington)
• Thome, James, Farm (Eighty Four)
• Brownlee, Samuel, House (Eighty-Four)
• Beallsville Historic District (Ellsworth)
• Nelson, John H., House (Fallowfield)
• Regester Log House (Fredericktown)
• Dusmal House (Gastonville)
• Ebenezer Covered Bridge (Ginger Hill)
• Dager-Wonsettler Farmstead (Glyde)
• Plantation Plenty (Boundary Increase) (Independence Township)
• Little, Moses, Tavern (Laboratory)
• Marianna Historic District (Marianna)
• Martin's Mill Covered Bridge (Marianna)
• Ulery Mill (Marianna)
• Krepps Covered Bridge (Midway)
• Acheson, Edward G., House (Monongahela)
• Henry Covered Bridge (Monongahela)
• Bethel African American Episcopal Church of Monongahela City (Monongahela City)
• Longwell, David, House (Monongahela City)
• Monongahela Cemetery (Monongahela City)
• Parkinson, Robert, Farm (Morris Township)
• Ross, Frank L., Farm (North Bethlehem)
• Friend, Philip, House (North Bethlehem Township)
• Davis, Horn, Overholtzer Bridge (North Fredericktown)
• Devil's Den, McClurg Covered Bridge (Paris)
• Ralston Freeman Covered Bridge (Paris)
• Wright, Enoch, House (Peters Township)
• Bailey Covered Bridge (Prosperity)
• Day Covered Bridge (Prosperity)
• Hughes Covered Bridge (Prosperity)
• Lyle Covered Bridge (Raccoon)
• Welsh-Emery House (Richeyville)
• Hill's Tavern (Scenery Hill)
• Ringland Tavern (Scenery Hill)
• Scenery Hill Historic District (Scenery Hill)
• Doak-Little House (South Strabane Twp.)
• Pine Bank Covered Bridge (Studa)
• Sawhill Covered Bridge (Taylorstown)
• Taylorstown Historic District (Taylorstown)
• Bradford, David, House (Washington)
• LeMoyne Crematory (Washington)
• Lemoyne, Dr. Julius, House (Washington)
• LeMoyne, F. Julius, House (Washington)
• Martin Farmstead (Washington)
• Mauer, Dr. Joseph House (Washington)
• Munce, Thomas, House (Washington)
• Pennsylvania Railroad Freight Station (Washington)
• Sackville House (Washington)
• "S" Bridge (Washington)
• Trinity Hall (Washington)
• Washington Armory (Washington)
• Washington Commercial Historic District (Washington)
• Washington County Courthouse (Washington)
• Washington County Jail (Washington)
• Washington Trust Company Building (Washington)
• Erskine Covered Bridge (West Alexander)
• West Alexander Historic District (West Alexander Borough)
• Dorsey, Joseph, House (West Brownsville)
• Brownlee, Scott, Covered Bridge (West Finley)
• Crawford Covered Bridge (West Finley)
• Danley Covered Bridge (West Finley)
• Miller, Longdon L., Covered Bridge (West Finley)
• Plant's Covered Bridge (West Finley)
• Sprowl's Covered Bridge (West Finley)
• Wyit Sprowls Covered Bridge (West Finley)
• West Middletown Historic District (West Middletown Borough)