Keith and Dana Fortmann bought a four-bedroom, three-bath home at 83 St. Madeleine Court in Dardenne Prairie from Marianne C. Duckworth for $424,900 on Aug. 19.

The 3,852-square-foot house in the South of 70 O'Fallon neighborhood was built in 2007.

Mr. Fortmann has been an assistant director at Principal Financial Group in Kansas City. Before that, he was a senior underwriter at Fortis and an underwriting manager at CNA Insurance Co.

He attended the University of Montana School of Business Administration.

According to BlockShopper.com, there have been 195 home sales in Dardenne Prairie during the past 12 months, with a median sales price of $225,000.

Address: 83 St Madeleine Court
Buyer(s): Keith A Fortmann and Dana J Fortmann
Seller(s): Marianne C Duckworth
Sale date: Aug. 19, 2009