Union County is in Eastern Oregon. Of the 36 counties in the state, Union County is 17th in terms of its size (2,038 square miles). The total value of 1,000 acres of undeveloped land recently listed for sale in Union County, Oregon, was $2 million. The average price of undeveloped acreage for sale in Union County was $353,666. 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, deer, quail 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.