100 Montgomery Street, also known as the Equitable Life Building, is an office tower located in the financial district of San Francisco, California. The , 25-floor tower was completed in 1955 and served as headquarters to the Equitable Life Insurance Company. Designed by William Peugh, 100 Montgomery Street is one of the first post-World War II office buildings in San Francisco, distinguished by classical white marble facade against aluminum art-deco window framing. It was purchased by developer Hines and its partner Sterling American Property in January 2006 for from EQ Office. Hines and Sterling sold the building to EQ Office, an affiliate of The Blackstone Group LP, for US$165 million in October 2012, who in turn sold it for a reported $285 million to the Vanbarton Group and a pension fund partner in 2016. Tenants Epsilon Arcadis Blend Labs BrightTALK City National Bank HealthMarkets RunawayTours Snapfish Talener Group LLC The Segal Company Trinity Life Sciences United States General Services Administration Veeva Systems Wells Fargo Bank See also San Francisco's tallest buildings References Office buildings completed in 1955 Skyscraper office buildings in San Francisco Financial District, San Francisco 1955 establishments in California