Newman Tuttle House is a historic home located at Lacona in Oswego County, New York. It was built about 1871 and is a two-story, clapboard vernacular residence consisting of a rectangular, three-bay main block and a slightly lower rear wing, both with shallow pitched gable roofs.
Oswego City Hall is a historic city hall located at Oswego in Oswego County, New York. It was built in 1870 and is a 2 1⁄2-story masonry, mansarded structure with a distinctive central clock tower. It was designed by architect Horatio Nelson White (1814–1892).
Oswego County Courthouse is a historic courthouse located at Oswego in Oswego County, New York. It was built in 1859-1860 and altered in 1891 and again in 1962. The two story building rises above a cruciform plan and is constructed of load bearing masonry walls faced with smooth ashlar limestone. It features a portico surmounted by a domed cupola. It was designed by architect Horatio Nelson White (1814–1892).
Oswego Armory is a historic National Guard armory located at Oswego in Oswego County, New York. It is a brick and stone castle-like structure built in 1906–1908. It was designed by State architect George L. Heins. It consists of a 2 1⁄2-story administration building with an attached large, gable-roofed drill shed. The building features a 5-story octagonal tower at the northwest corner.
Pontiac Hotel is an historic hotel located at Oswego in Oswego County, New York. It was built in 1912 and designed by the office of architect George B. Post (1837–1913). It was originally a four-story, "U" shaped structure; in 1955 a one-story ballroom was added at the rear of the structure in the exterior courtyard. It features both Classical and Mission style details. The most distinctive interior feature is a 40-foot-diameter (12 m) rotunda centrally located on the main level. In the 1980s the structure was converted from hotel use to house 70 apartment units for the elderly.
Walton and Willett Stone Store, also known as Cahill's Fish Market, is a historic commercial building located at Oswego in Oswego County, New York. It is a three and four story, limestone structure with a distinctive stepped gable roof on the banks of the Oswego River. The oldest commercial building in the city of Oswego, it was built in 1828 and first used as a ship chandlery. In later years, it housed a newspaper office, customs collector, steamboat ticket and freight office, and warehouse. In 1945, it was purchased for use as a fish market.
Fowler-Loomis House is a historic home located at Mexico in Oswego County, New York. It is a large, square, 1 1⁄2-story wood-frame house in the Greek Revival style. The residence was built in 1847 and is a full five bays in width with a low-rise hipped roof. It features a full-length, 2-story portico supported by four massive square columns.
Edwin W. and Charlotte Clarke House is a historic home located at Oswego in Oswego County, New York. It is a 2 1⁄2-story brick Italianate style residence built in 1857. Edwin W. and Charlotte Clarke were prominent abolitionists and it is believed that the house was a way station on the Underground Railroad.
Hamilton and Rhoda Littlefield House is a historic home located at Oswego in Oswego County, New York. It is a two-story frame vernacular Federal style residence built about 1834 and remodeled in the 1920s. In 1853, Hamilton Littlefield sheltered one fugitive slave sent to him by Gerrit Smith's agent John B. Edwards, and later sheltered 15 freedom seekers all at once. Therefore, the house is documented to have been used as a way station on the Underground Railroad.
Richardson-Bates House is a historic home located at Oswego in Oswego County, New York. It is constructed primarily of brick and built in two stages. The main section is a 2 1⁄2-story, Tuscan Villa style brick residence with a gable roof and 4-story tower designed by architect Andrew Jackson Warner about 1867. The interior features carved woodwork by Louis Lavonier. The South wing addition included a private library, formal dining room and kitchen that was completed in 1889.
Kingsford House is a historic home located at Oswego in Oswego County, New York. It is a large 2 1⁄2-story brick residence. Built about 1870 in the Italianate style, it was extensively reconfigured and enlarged in 1912–1913 in the Tudor Revival style. Along the north and east edge of the property is a terrace wall built of cut limestone blocks and topped by a cast and wrought iron fence.
John B. and Lydia Edwards House is a historic home located at Oswego in Oswego County, New York. It is a two-story, rectangular frame residence built between 1834 and 1835. Its owner John B. Edwards was abolitionist Gerrit Smith's agent at Oswego and the house is well documented as a way station on the Underground Railroad.
John and Harriet McKenzie House is a historic home located at Oswego in Oswego County, New York. It is a 1 1⁄2-story, rectangular frame residence with Greek Revival details. Its owner John McKenzie was a former fugitive slave who built the house about 1847. Two years later Nathan and Clarissa Green built their house next door.
George B. Sloan Estate is a historic home located at Oswego in Oswego County, New York. It is a 2 1⁄2-story, irregularly massed, Ithaca limestone building built between 1866 and 1870 in the Italian Villa style. It features a square, 3-story engaged tower. Also on the property is a carriage house, cast-iron fence, and fountain.
Market House, also known as The Market Hall and The D.L.& W. Hall, is a historic market building located at Oswego in Oswego County, New York. It was built in 1835 and is a massive brick and stone structure overlooking the Oswego River. The structure originally housed several government entities including city hall. A new city hall was constructed in 1870 and completed in 1872. A section of the basement is believed to have been used as a jail. In 1864 the city sold it to the Oswego and Syracuse Railroad, that used it for the next 80 years as office and storage space. The railroad upgraded the building with a bracketed cornice and elaborate cupola.
Sheldon Hall is a historic collegiate building located on the campus of the State University of New York at Oswego at Oswego in Oswego County, New York.
The Northrup-Gilbert House is a historic home located at Phoenix in Oswego County, New York. It is a 1 1⁄2-story frame residence that appears to have been built in the 1840s. It has Greek Revival–style details.
Tanner Block is a historic commercial building located at Oswego in Oswego County, New York. It was built in 1890 and is a four-story brick structure constructed in an eclectic Victorian style. It measures 44 feet wide and 100 feet deep. It originally housed a hardware store. It was updated in 1926 to house a furniture store and again updated in the 1960s.
Washington Square Historic District is a national historic district located at Oswego in Oswego County, New York. It includes 39 contributing buildings, one contributing structure, and one contributing site. It encompasses the historic civic and religious center on the east side of the city. There are 37 residences, four churches, a synagogue, a public green, the county office building, and County Courthouse, and a former railroad tunnel. Located within the district are the separately listed Hamilton and Rhoda Littlefield House, Richardson-Bates House, Oswego City Library, and Oswego County Courthouse. Washington Park was laid out in 1797 when the city of Oswego was laid out.
Brosemer Brewery, also known as the Seaway Supply Building, is a historic brewery located at Oswego in Oswego County, New York. It was built in 1888 and is a four-story building measuring approximately 50 feet wide and 126 feet deep. It is a heavy timber post and beam and brick masonry structure on a limestone foundation. It ceased use as a brewery in the 1920s, after which it housed manufacturing and warehousing companies.
