A stunning transformation of 660 Fifth Avenue by Brookfield Properties is underway. This progressive 39-story office building is in the midst of a $400 million redevelopment, offering an impressive 1.25 million sq ft of commercial space. There is a showroom floor, showcasing a beautiful example of an office and conference room, with absolutely breathtaking views from there.

Historical Facts:

  1. Originally known as the Sinclair Oil Building: The building was completed in 1957 and originally housed the headquarters of Sinclair Oil, a major American oil company.
  2. Mid-century modern design: 660 Fifth Avenue was designed by the architectural firm Carson & Lundin, showcasing a minimalist, modernist style typical of the mid-20th century, with an emphasis on clean lines and a functional aesthetic.
  3. Aluminum curtain wall: The building was notable for its innovative use of an aluminum curtain wall façade, a cutting-edge architectural feature in the 1950s, which gave it a sleek, modern appearance.
  4. Renamed to 666 Fifth Avenue: It became more widely known as 666 Fifth Avenue after a major investment group, Tishman Realty, purchased it in the 1970s. The name remained controversial until it was changed back to 660 Fifth Avenue in 2021.
  5. Major tenant changes: Over the decades, the building has housed several prominent tenants, including major financial firms, law offices, and retail businesses, making it a prime commercial real estate location in New York City.
  6. $400 million redevelopment: Currently undergoing a significant $400 million redevelopment by Brookfield Properties, the renovation includes modernizing the building’s infrastructure, improving its energy efficiency, and creating a more flexible workspace to attract top-tier tenants in the 21st century.

(All pictures by Richard Plehn. Some of the information has been taken from Wikipedia)

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