 This neo-Grec building was put up in four stages, and was designed by David and John Jardine (the original building, 1876–77, and the 1880 extension), William Hume (1887) and Buchman & Fox (1909–1910).By 1906, though, Altman's had moved to a new block-long building at 351–57 Fifth Avenue running from 34th to 35th Streets, which was expanded in stages through 1913 to 188–89 Madison Avenue.The original Fifth Avenue building and the extensions were all designed by Trowbridge & Livingston in Italian Renaissance style.