Montgomery Block, Historic site in Financial District, San Francisco, United States.
The Montgomery Block at 600 Montgomery Street featured four stories of brick construction with innovative earthquake-resistant foundations of redwood logs and straw.
Built in 1853 as San Francisco's first fireproof building, the structure survived the 1906 earthquake before its demolition in 1959 for the Transamerica Pyramid.
The building housed numerous writers including Jack London and Mark Twain, while serving as headquarters for lawyers, financiers, and artists from 1853 to 1890.
The location of the former Montgomery Block is marked by a commemorative plaque in the north lobby of the current Transamerica Building.
The structure earned the nickname Monkey Block and demonstrated advanced construction methods by incorporating a foundation system of crossed redwood logs.
Location: San Francisco
GPS coordinates: 37.79500,-122.40300
Latest update: May 26, 2025 18:37
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