The Kowalczyks paid $985,000 for the property in Jan. 2002. Unit #10B measures 2,197 square feet and is one of the 45 units in the 19-story condo development at 1900 Rittenhouse Square.
Donohue is a partner in the litigation practice and head of the product liability practice at the Philadelphia office of White and Williams LLP.
He received an A.B. from Dartmouth College and a J.D. from the University of Pennsylvania.
Mager is an attorney at Mager & Goldstein LLP in Philadelphia.
Ms. Kowalczk has been senior vice president for corporate planning and development at Lincoln Financial Group. She joined the company in 1977 as an investment analyst and retired in 2007.
She received her B.S. in marketing and M.B.A. from Indiana University.
According to BlockShopper.com, there have been 857 condo sales in Philadelphia during the past 12 months, with a median sales price of $274,900.
Address: 1900 Rittenhouse Square
Buyer(s): James J Donohue and Carol A Mager
Seller(s): John R Kowalczk and Barbara S Kowalczk
Sale date: Dec. 23, 2009