nine properties listed on the National Register in their own right, and several other noteworthy contributing properties among its 679 total historic resources. Predecessor districtsFifth Street-Fulton Street Historic District. Many of the city's then-prominent businessmen built townhouses here, near the Gurley Building, after the 1862 fire.Grand Street Historic District: Marcus Cummings built townhouses here after that fire.River Street Historic District: The city's antique district is the oldest neighborhood in Troy, and its pre-industrial commercial center.Second Street Historic District: Many unaltered homes dating to the 1820s, some of them owned by prominent city residents, in the vicinity of the Troy Savings Bank building.Washington Park Historic District: Local businessmen started the city's first planned neighborhood in 1839, the first large Greek Revival development in the city. They used London's residential squares as their model. Philip Johnson called it "one of the finest squares in North America". National Historic LandmarksW. & L.E. Gurley Building: Fifth and Fulton streets. Built in just nine months after 1862 fire, this location has been home to Gurley Precision Instruments since 1845. The building, with Renaissance and classically inspired stylings, is an unusual example of a commercial building extremely sympathetic to its neighboring residences. Today owned by RPI and home to some of its divisions, including the Lighting Research Center.Troy Savings Bank: 32 Second Street. Designed by George B. Post in 1875 in stylings that anticipate the emergence of Beaux-Arts, this impressive stone building features a full concert hall upstairs with excellent acoustics. National Register of Historic PlacesCannon Building: 1-9 Broadway, on the south side of Monument Square. This 1835 collaboration by Alexander Jackson Davis and Ithiel Town got a mansard roof after an 1870 fire. Today it is used as an extended-stay hotel and office space.Hart-Cluett Mansion: An 1828 Federal mansion on Second Street built by a New York merchant as a wedding gift to his daughter. Largely unchanged, it is today the home of the Rensselaer County Historical Society.Ilium Building: Marcus Cummings designed this commercial building at Fourth and Fulton in 1904.McCarthy Building: 255 River Street, on the west side of Monument Square. Another 1904 building, noted for large proscenium-style front arch window from original use as furniture showroom. Today it hosts the Troy offices of a regional media company.National State Bank Building: 297 River Street. Its fenestration and decoration is similar to Cummings' Ilium Building a block away.Proctor's Theater: A 1914 theater on Fourth Street