David W. Rittenhouse and Nancy M. Rittenhouse sold a five-bedroom, three-bath home at 12610 Stanwyck Circle, in Keystone, to James L. Lemkau for $475,000 on Dec. 5.

Built in 2003, the 3,747-square-foot, two-story home last sold for $328,900 in May 2003. It is located in the West Hampton subdivision.

According to BlockShopper, there have been 664 home sales in Keystone during the past 12 months with a median sale price of $308,500.

Address: 12610 Stanwyck Circle
Buyer(s): James L Lemkau
Seller(s): David W Rittenhouse and Nancy M Rittenhouse
Sale date: Dec. 5, 2013