MOUNT PROSPECT - The Illinois Housing Development Authority (IHDA) today joined Mt. Prospect Mayor Paul Hoefert, Cook County President Toni Preckwinkle and key local officials to celebrate the completion of construction for The Kenzie Senior Residences, a new rental development offering 74 affordable apartments for seniors. Built on a previously vacant site, the building provides modern apartments, affordable rents and a range of amenities for residents ages 55 and older.