 Running parallel to Main Street to its north is Middle Street, where a number of high quality homes, most built before 1840, are located.At the far western end of Main and Middle Streets are also clusters of densely built residences, extending as far north as Pine Street.Prominent buildings in the district include Gloucester City Hall, an elaborate Second Empire structure built in 1870 after the 1868 fire, and the Front Street Block, a collection of four joined buildings at the western end of Main Street, which were built after the 1831 fire.