Horace Greeley Knapp

Last updated October 21, 2025

Horace Greeley Knapp was an American architect.

He had been established as an architect for 20 years but was "still quite a young man" in 1894, when profiled in a directory of New York City.^[1]

He was born in rural Rockland County, New York.^[1]

Several of his works are listed on the National Register of Historic Places (NRHP).^[2]

Works include:

Bennett Deyrup House (1887), 309 N Broadway, Upper Nyack, NY
American Federation of Human Rights Headquarters (1919-1924), 9070 S. Douglas Blvd. Larkspur, Colorado, NRHP-listed^[2]
Blaine County Courthouse (Hailey, Idaho), 1st and Croy Sts. Hailey, Idaho, NRHP-listed^[2]
Homer Pound House, 314 2nd Ave., S. Hailey, Idaho, NRHP-listed^[2]
Wells Building, Buffalo, New York^[1]
Taylor's Theater and Office Building, Buffalo, New York^[1]
Real Estate Exchange Building, Buffalo, New York^[1]
"Gray Crags" on the Palisades, New York, built for W. S. Opdyke.^[1]

He was described as an architect of New York City, with offices at 335 Broadway, in 1919 when he designed the AFHR headquarters building in Colorado.^[3]

In 1894 his offices were at 106 and 108 Fulton Street.^[1]

References

1 2 3 4 5 6 7 "NEW YORK, 1894. ILLUSTRATED". A. K. Parsons Publishing Co. 1894.
1 2 3 4 "National Register Information System". National Register of Historic Places . National Park Service. July 9, 2010.
↑ Maximo Cumsille (August 12, 1997). "National Register of Historic Places Registration: American Federation of Human Rights Headquarters". National Park Service . Retrieved April 27, 2017. With 19 photos (see photo captions pages 24-25 in text document).

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[parsons-1] 1 2 3 4 5 6 7 "NEW YORK, 1894. ILLUSTRATED". A. K. Parsons Publishing Co. 1894.

[nris-2] 1 2 3 4 "National Register Information System". National Register of Historic Places . National Park Service. July 9, 2010.

[nrhpdoc-3] Maximo Cumsille (August 12, 1997). "National Register of Historic Places Registration: American Federation of Human Rights Headquarters". National Park Service . Retrieved April 27, 2017. With 19 photos (see photo captions pages 24-25 in text document).

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