Washington County is in Western Maryland. Of the 24 counties in the Free State, Washington County is 15th in terms of its size (299,099 acres). The total value of roughly 1,000 acres of farms recently listed for sale in Maryland's Washington County was almost $4 million. The average price of farms for sale in Washington County was $868,980. Browse all Maryland farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or individual needs.