Partial list of works
Kenilwood, Bernardsville, NJ. An excellent residential example of Gothic Revival architecture in the United States.
High Bridge Reformed Church, High Bridge, New Jersey, 1869
Equitable Life Building (New York City), 1868–1870, razed 1912.
Bonner-Marquand Gymnasium, Princeton University, Princeton, New Jersey, 1869–1870, razed in 1907.
Williamsburgh Savings Bank Building (175 Broadway), Brooklyn, New York, 1870–1875
Troy Savings Bank, Troy, New York, 1875.
Western Union Telegraph Building, New York City, 1875. Often dubbed "the first skyscraper in New York City, this 10-story headquarters for Western Union featured a clock tower. The building was razed in 1914 for the AT&T headquarters at 195 Broadway.
Claremont, Bernardsville, New Jersey, 1907. George Post's home in the Somerset Hills. As of October 2020, for sale for $10 million.
Chickering Hall, New York City, c.1877. Built as the headquarters of the Chickering Piano Company, this four-story building faced in brick with brownstone and gray marble trim featured a 1,450-seat auditorium that hosted lectures by Thomas H. Huxley and Oscar Wilde and was the site of Alexander Graham Bell's first interstate telephone call to New Brunswick, New Jersey, in 1877. Razed.
New York Hospital (razed), 1877, notable for its use of large ground-level windows for better natural illumination of the interior.
Library and Lyceum, Morristown, New Jersey. 1878, Razed.
Brooklyn Historical Society, Brooklyn, New York, 1878–1880, Romanesque revival building employing architectural terracotta, originally named Long Island Historical Society.
Post Building, New York City, 1880–81. A deep central recess provided light and air to the interiors, a feature that quickly became standard for large commercial structures.
Mills Building, New York City, 1881–1883, called "the first modern office building", on a two-story base, the upper eight floors reached by ten elevators, it used architectural terracotta panels, which Post had helped to introduce to the United States, and eliminated the conventional mansard roofline. Razed.
New York Produce Exchange (1881–84) at 2 Broadway faced Bowling Green. Built 1881–1885; Razed 1958.
Cornelius Vanderbilt Mansion, New York City, 1882, renovated and enlarged 1893, Razed 1927.
New York Cotton Exchange (razed), New York City, 1883–1885
Mortimer Building (razed), New York City, 1885
New York World Building, or Pulitzer Building, New York City, at the time of its completion, the tallest building in the world, 1889–1890, Razed.
New York Times Building (41 Park Row), New York City, 1888–89
Union Trust Building (razed), 78–82 Broadway, New York City, 1889–1890
Prudential Headquarters (4 buildings), Newark, New Jersey, 1892–1911. Razed in 1956.
Manufacturer's and Liberal Arts Building, World's Columbian Exposition, Chicago, Illinois, 1893. Razed after the exposition concluded.
Erie County Savings Bank building, Buffalo, New York, 1893, in Romanesque Revival. Razed in 1968.
Park Building, Pittsburgh, Pennsylvania, 1896, remodeled in the 1960s
Bronx Borough Hall, New York City, 1897, Razed.
St. Paul Building, New York City, 1898. Razed.
New York Stock Exchange Building, New York City, 1901–1903
City College of New York Campus, New York City, 1903–1907, in Gothic Revival style
Old Montreal Stock Exchange Building, Montreal, Quebec, 1904.
Mutual Benefit Life Insurance Company, Newark, New Jersey, 1904–08 (razed)
Wisconsin State Capitol, Madison, Wisconsin, 1906
Cleveland Trust Company Building, Euclid Avenue, Cleveland, Ohio, 1908
Pontiac Hotel, Oswego, New York, 1912