Washington County is in Western Maryland. Of the 24 counties in the state, 467-square-mile Washington County ranks 15th by size. Recent Land Network data includes approximately 1,000 acres of farms for sale in Maryland's Washington County, which is valued at a combined $5 million. The average price of farms for sale in Washington County was $899,492. 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 commercial or individual needs.