The median home value in Union, OR is $193,100. This is lower than the county median home value of $233,500. The national median home value is $308,980. The average price of homes sold in Union, OR is $193,100. Approximately 69% of Union homes are owned, compared to 24% rented, while 7% are vacant. Union real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you're interested in, contact a Union real estate agent to arrange a tour today! Learn more about Union Real Estate.