Arleen M. Denque and Noel C. Denque sold a four-bedroom, four-bath home at 1048 Concord Circle in Mundelein to Jaroslaw Piasecki and Anna Piasecki for $376,000 on July 13.

The Denques paid $425,000 for the property in June 2007. The 3,127-square-foot house built in 1996 is in the Mundelein Central East neighborhood.

Ms. Denque is director of central market research and insights at Microsoft Corp.

She previously was director of central market research and insights, as well as experience planning and new product development at Motorola Inc. She also served as vice president at ACNielsen International Research.

She attended Xavier University.

There were 298 home sales in the Mundelein in 2008, with a median sales price of $185,000.

Address: 1048 Concord Circle
Buyer(s): Piasecki Jaroslaw and Piasecki Anna
Seller(s): Noel C Denque and Arleen M Denque
Sale date: Jul. 13, 2009