Union County is in Eastern Oregon. Of the 36 counties in the state, Union County ranks 17th in terms of size (2,038 square miles). Recent listings of undeveloped land for sale in Oregon's Union County totals approximately 1,000 acres and a combined market value of $2 million. The most common type of land for sale by combined acreage in Union County is house. The average price of undeveloped land for sale in Union County was $368,800. Some suggested uses for undeveloped land currently for sale in Union County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Union County include elk, turkey, mule deer, quail, deer and bear. Current commercial applications for commercial property for sale in Union County include for hunting/fishing, commercial and homestead use. Browse all Oregon undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.