DelleDonne & Associates, Inc. purchased the six-building Christiana Executive Campus at 111-131 and 200-240 Continental Dr. in Newark, DE for $55 million, or about $118 per square foot, from Atapco Properties, Inc. Totaling 467,355 square feet, the office campus is situated on 42 acres in the South New Castle County submarket of Philadelphia, adjacent to Christiana Hospital Complex, a Hilton Hotel, Center Point Plaza, Christiana Mall and various retailers and dining options. Atapco built the complex between 1986 and 2000 and remained the sole owner and on-site property manager until its sale.