Greene County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Keystone State, Greene County is 39th in terms of its size (577 square miles). Recent listings of residential land and property for sale in Pennsylvania's Greene County totals nearly 1,000 acres and a combined market value of almost $9 million. The most common type of land for sale by combined acreage in Greene County is house. The average price of residential land for sale in Greene County was $407,890. Browse all residential land and rural property for sale in Pennsylvania to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.