Apprentice, Detlef Lienau, Architect, New York, NY, 1865-1870; Principal, Henry J. Hardenbergh, Architect, New York, NY, 1870- c. 1918. Hardenbergh's made his reputation on the design of luxurious apartment buildings and hotels, primarily in New York City, including the Dakota (1880-1884) and the Plaza Hotel (1905-1907). On the West Coast, he designed the Hotel Oakland in Oakland, CA.

Coursework, Hasbrouck Institute, Jersey City, NJ, c. 1863;

Born in New Jersey, Hardenbergh received technical training in that state before apprenticing himself to the German-born architect Detlef Lienau (1818-1887) just after the Civil War. He spent his remaining career in New York, although he traveled periodically to supervise construction of large-scale hotels in Boston, MA, Washington, DC, and other cities. In 1900, he lived with three servants--a cook, waitress and maid--at 12 East 56th Street in New York. He had a Westside address in 1914, when he resided at 47 West 34th Street in New York, and died in that city four years later. He was interred in the Woodland Cemetery, Stamford, CT.

Hardenbergh married, but was widowed before 1900.

Hardenbergh traveled from Le Havre, France, to New York, NY, aboard the S.S. France, between 09/27/1914-10/03/1914.

• New Brunswick, NJ (Architect's Birth)
  New Brunswick, NJ

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• New York, NY (Architect's Death)
  New York, NY

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