Sophian Plaza at 15th & Frisco in Tulsa, OK Sophian Plaza Park, located on the east side of the Arkansas river in Tulsa, Oklahoma. Our community is one of a kind and unique to the area. Constructed nearly 100 years ago, the Sophian was originally created for the booming oil industry. Its refined historic architecture is still evident today as the building has been well-preserved and updated to the standards of today’s urban native. We are a condominium building and most units are occupied by their owners. In 2011, The Sophian Plaza was placed on the National Register of Historic Places.
