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). Recent listings of undeveloped land for sale in Union County, Oregon, totals 1,000 acres and a combined market value of approximately $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 $156,526. Some suggested uses for undeveloped land currently for sale in Union County include for hunting/fishing, commercial, and vineyard use. Some common wildlife species to be found on undeveloped land for sale in Union County include elk, mule deer, turkey, quail and ducks. Current commercial applications for commercial property for sale in Union County include for hunting/fishing, commercial and vineyard use. Browse all Oregon undeveloped land for sale on the Land Network to find your next commercial property or land investment.