Of 67 counties in the Independence State, Washington County is 20th in terms of its size (860 square miles). Washington County is in Pittsburgh & Countryside Pennsylvania. There is around 1,000 acres of ranches for sale in Pennsylvania's Washington County based on recent Land Network data. The combined market value of farms, rural land, hunting land and other land for sale here is roughly $500,000. Browse all Washington County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Washington County is house.