The Kosters paid $985,000 for the property in Jan. 2008. The 3,155-square-foot house in the North Scottsdale neighborhood was built in 2006. Robert Lomax of Mirabel Properties is the listing agent for the home.
Mr. Koster is the owner and president at American Implement Inc., a wholesaler of farm equipment.
He received his bachelor's degree in business administration from Kansas State University.
According to BlockShopper.com, there were 3,592 sales in Scottsdale in 2008, with a median sales price of $320,000.
Address: 10567 East Standing Stones Road, Unit: 182
Buyer(s): Koster Trust Dated December 1 Duane (Under Agreement), Duane E Koster and Kathleen A Koster
Seller(s): Sakk Investments Llc
Sale date: Mar. 5, 2008