Located in Southeast Maine, 3,257-square-mile Washington County is one of the ten biggest counties in the Vacationland. There is about 3,000 acres of undeveloped land for sale in Maine's Washington County based on recent Land Network data. The combined market value of land and rural real estate for sale here is nearly $20 million. The average price of undeveloped land for sale in Washington County was $136,858. Some suggested uses for undeveloped land currently for sale in Washington County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Washington County include turkey, grouse, bear, moose, whitetail deer and deer. Current commercial applications for commercial property for sale in Washington County include for hunting/fishing, commercial and homestead use. Browse all Maine undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.