[4] The One Sansome Street tower is built adjacent to the site of the ornate Anglo and London Paris National Bank, which was completed in 1910.

[5] Designed by architect Albert Pissis, the bank building was granite clad with 38 ft (12 m) high Doric columns.

[5] One Sansome Street was acquired by Beacon Capital Partners LLC from BayernLB in 2005 for $217 million or $394.55 per ft² ($4,247.32 per m²).

[6] BayernLB bought the building in 1999 from subsidiaries of Citigroup and Dai-ichi Life for between $170–175 million, or $310–320 per ft² ($3,337-3,445 per m²).

[8] In 2010, a partnership between Barker Pacific Group and Prudential Real Estate Investors took ownership of the building.