Luxurious apartments with elegant detailing sophisticated floorplans designed to fit your lifestyle with craftsmanship that reflects a rich architectural tradition.  Amenities tailored to meet your every need.  Located just minutes from thriving cultural centers, restaurants, and shops, Mansions on the Plaza makes it easy to maintain an active lifestyle. In the center of the golden Tri-Cities of Clayton, Ladue and University City, Mansions on the Plaza is just minutes from downtown St. Louis and at the very heart of the metropolitan region.