Kyle Klewin and Anna Klewin have listed for sale a two-bedroom, two-bath home at 6 Harmony St. in Stonington for $675,000.

The 1,560-square-foot house was built in 1800. Andrew Maynard of Hunter Moore and Stearns is the listing agent.

Kyle Klewin is the owner of Klewin Construction, a construction management and general contracting company.

He attended Connecticut College.

According to BlockShopper.com, there have been 86 home sales in Stonington during the past 12 months, with a median sales price of $278,250.