Francis J. Sinn and Patricia L. Sinn have listed for sale a four-bedroom, five-bath home at 10 Apple Tree Lane in Ladue for $2.2 million.

The Sinns paid $1.7 million for the property in July 2007. The 6,596-square-foot house was built in 1928 in Ladue North. Tricia W. Kolbrener of Janet McAfee Real Estate is the listing agent.

Francis Sinn is a co-founder of Sinn Design Build, specializing in residential and commercial design and construction.

Patricia Sinn is a co-founder and president at Sinn Design Build.

She studied at the University of Missouri-Saint Louis.

According to BlockShopper.com, there have been 43 home sales in Ladue during the past 12 months, with a median sales price of $650,000.

Address: 10 Apple Tree Lane
Buyer(s): Francis J Sinn Patricia L Sinn (and husband) (and wife)
Seller(s): Maryland Land Company LLC
Sale date: Jul. 3, 2007