CLAYTON, MO. — Franklin Partners has acquired The Plaza in Clayton, a 325,172-square-foot office building in Clayton, about nine miles west of St. Louis. The purchase price was not disclosed. The 16-story property is located at 190 Carondelet Plaza. Smallwood, Reynolds, Stewart, Stewart designed the building, while St. Louis-based THF Realty developed the property in 2001. Paul Lundstedt, Dan Deuter, Mark Palmer, Artie Kerckoff and TJ Redmond of CBRE represented the seller, KBS REIT.