View Union Newest Listings available in Kentucky. Union sits in Northern Kentucky, just 17 miles south of Cincinnati. A pleasant community with a great balance of rural living and amenities, Union stands as one of the fastest-growing areas in Boone County. The Union Housing Market is very strong and stable, with a wide variety of properties available. Whether looking for a luxury estate, simple single-family home, condo or open land, Union has the property that will suit your needs. Union residents benefit from low crime rates, local schools have high graduation rates, and amenities can be found throughout the city, and the Florence Mall is only three miles away. Union is a great option for commuters or those just looking for quality real estate and comfortable living. The listings below have been on the Union Real Estate Market for seven days or less. If you're interested in the Union area, contact Huff Realty for a list of Union's Newest Listings on the Northern Kentucky Real Estate Market.