Crown Center Redevelopment Corp. is a subsidiary of Hallmark Cards Inc. which was founded by Joyce C. Hall. Crown Center offers their services in mixed-use redevelopments and it is a complex of almost 85 acres area where more than five million people visit every year. Five interconnected 7-story buildings were constructed in 1971. These buildings have office space of almost 2.2 million square feet and leasable space of more than 300,000 square feet. Crown center also owns residential communities along with 230 condominiums. In Sheraton Kansas City and Westin Kansas City, Crown Center offers two hotels with excellent facilities. Donald J. Hall is the chairperson of Hallmark.