Washington County is in Portland Metro Oregon. Of the 36 counties in the state, 726-square-mile Washington County ranks 31st by size. Recent Land Network data includes roughly 3,000 acres of farms for sale in Oregon's Washington County, which is valued at a combined $11 million. The average price of farms for sale in Washington County was $1 million. Farms for sale in Washington County feature livestock including cattle, horses, sheep, goats and pig. Along with fields and farmland for grazing and crop production, Washington County farms for sale include vineyard properties that take full advantage of the area's excellent wine-growing climate and conditions. Browse all Oregon 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 lifestyle needs.