 In addition to the courthouse building , the buildings around the courthouse square are also historic in nature and considered contributing properties to the Hartford City Courthouse Square Historic District . The courthouse was added to the National Register of Historic Places in 1980 and was included as a contributing property to the historic district in 2006 . Most of the buildings in the Courthouse Square Historic District continue to have facades that look similar to their original design . Although the interior has been remodeled , the exterior of the courthouse also retains its original appearance . 
