 The building was noted for its design, which was a harbinger for the transition from Classical architecture to the Art Deco/Moderne among commercial buildings in downtown Saint Paul; originally designed in a conservative style, the building became more Moderne as it was being built.The Minnesota Building is a thirteen-story office tower located on the corner of East 4th Street and Cedar Street in downtown St. Paul.It is built of reinforced concrete and has a polished Indiana Limestone facing.