Of 36 counties in the Beaver State, Washington County ranks 31st in terms of size (726 square miles). Washington County is in Portland Metro Oregon. Recent listings of recreational land for sale in Washington County, Oregon, totals about 1,000 acres and a combined market value of about $300,000. The most common type of land for sale by combined acreage in Washington County is residential property. Browse all recreational property for sale in Washington County to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development. The most common type of land for sale by combined acreage in Washington County is residential property.