The home was built in 2006.
Wong is an assistant professor in the real estate department of The Wharton School at the University of Pennsylvania.
She has a B.A. in economics from the University of California and a Ph.D. in economics from the Massachusetts Institute of Technology.
Wong also owns the home at 704 Lombard St. in Center City East. She paid $470,000 for the property in May 2009.
According to BlockShopper.com, there have been 336 home sales in Wharton during the past 12 months, with a median sales price of $223,500.
Address: 940 South Street
Buyer(s): Maisy Wong
Seller(s): Suzanne Fountain and Suzanne Ponsoll
Sale date: Apr. 9, 2012