South » North Kingstown » Main Street Historic District » Rhode Island » Nicholas Hart House Nicholas Hart House Details 1762 and later. 31 Main St. The Hart House is a good example of one that has been added on to repeatedly, including the Colonial Revival pergola and pedimented side porch. The barn to the rear is a late example of flushboarding (perhaps 1830s or 1840s). Writing Credits Author: William H. Jordy et al.