This house was built in 1767 by William Hart, Jr. for his bride, Esther Buckingham. Hart served in the Revolutionary War and reached the rank of General.

The house features much of its original architecture typical twelve over twelve windows, center hallway and twin chimneys, unique that they are also corner chimneys, one at each gable end of the house. The two chimneys serve eight inerior fireplaces, unusual for this period in Connecticut. The interior has wide floor boards, old wainscoting, and paneling. The house has been restored to its original authenticity by the Old Saybrook Historical Society, which uses it as a headquarters and museum.