San Francisco Project Owner

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1 Post Office Sq Ste 1950
Boston, MA 02109

One Post Street, also known as the Aetna Building, is a prominent 37-story office tower located in San Francisco's Financial District, standing 529 feet tall. Completed in 1969, the building features 424,000 square feet of space, with 406,500 square feet designated for office use and 17,500 square feet for retail, and has undergone renovations to achieve LEED Platinum certification.

Previously serving as the global headquarters for McKesson Corporation until 2019, the tower is now owned by Brookfield Properties, with leasing managed by JLL. The design, crafted by Welton Becket Associates, showcases modernist architecture with dark granite accents and translucent windows, creating a striking silhouette against the San Francisco skyline.

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