Union County is in Eastern Oregon. Of the 36 counties in the Beaver State, Union County ranks 17th in terms of size (1 million acres). Recent listings of undeveloped land for sale in Oregon's Union County totals about 1,000 acres and a combined market value of almost $3 million. The most common type of land for sale by combined acreage in Union County is residential property. The average price of undeveloped acreage for sale in Union County was $423,000. 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, bear and quail. 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.