Developers Propose $3.1 Billion Data Center in Former Famous-Barr Building in St. Louis

Developers Propose $3.1 Billion Data Center in Former Famous-Barr Building in St. Louis

News ClipSTLtoday.com·St. Louis, St. Louis City County, MO·9/16/2026

Developers are proposing a $3.1 billion, 525,000-square-foot data center project in the former Famous-Barr warehouse located at 3728 Market Street in St. Louis. The adjacent Armory building is intended to provide luxury office space for the data center's eventual user.

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A significant data center project is being proposed for St. Louis, Missouri, involving a $3.1 billion investment to transform the historic Famous-Barr warehouse at 3728 Market Street. The plan envisions a sprawling 525,000-square-foot data center within the former department store building.

Additionally, the adjacent Armory building is slated to be redeveloped into luxury office space. This space is intended to serve the eventual user or operator of the new data center, indicating a comprehensive development approach for the site.