Description. Chicago-based Horizon Realty Group is a family-owned and operated property management company that buys, remodels and rents updated, high-value apartments in a variety of iconic buildings. Currently, with 28 buildings in Chicago, Horizon also owns one independent senior living community in Evanston, IL. Horizon has a strong history of reviving vintage and historic buildings – paying homage to the past while adding amenities that serv...