The 2,385-square-foot house was built in 1976 in the South of Lake Ave. neighborhood.
Mr. Karibian is a software consultant at R.K. Net Inc., a graphic design, printing and computer programming company founded in 1995 and based in Hicksville, N.Y.
He previously was a software consultant at First Data Corporation.
He attended Lehigh University.
According to BlockShopper.com, there were 71 sales in Nesconset in 2008, with a median sales price of $428,000.
Address: 21 Diane Court
Buyer(s): Erika Barrett and Keith M Barrett Jr
Seller(s): Jack Karibian and Heather Karibian
Sale date: Sep. 1, 2009