Single Family Home for sale by owner in Marlborough, CT 06447. 2005 Custom Built Colonial on very private 3.136 acre lot with 2 car garage. House is 2450 total square feet, with a 2 car attached garage. Just 15 minutes to Hartford, 2 miles off of Rte. 2 Come see this beautiful piece of paradise. Meticulously maintained - better than new w ... more.