Union County is in Eastern Oregon. Of the 36 counties in the state, Union County is 17th in terms of its size (1 million acres). Union County, Oregon, includes roughly 2,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was about $4 million. The average price of undeveloped acreage for sale in Union County was $566,816. 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 acreage for sale on the Land Network to find your next commercial property or land investment.