Octagon House (Danbury Connecticut)
 The Octagon House in Danbury Connecticut United States is located on Spring Street. It is considered the best octagon house of the 12 that survive in Connecticut. In 1973 it was added to the National Register of Historic Places to avert its demolition in urban renewal.It is west of downtown Danbury in a residential area approximately midway along Spring between Beaver and New streets. The house itself is set back further from the street than its neighbors.