721 Locust St
Saint Louis, MO 63101
The Mercantile Trust Building · Retail Property For Sale

The Mercantile Trust Building presents a rare opportunity to acquire a landmark property in the heart of Downtown St. Louis. This 122,181-square-foot Beaux Arts structure, built in 1902 and expanded in the 1960s, offers dramatic architectural character with intact historic fabric, ornate vault doors, and original ceiling coffers. Delivered vacant, the building is ideally suited for adaptive reuse across multiple concepts including boutique hospitality, entertainment, or creative office.
Strategically located adjacent to the newly renovated U.S. Bank Tower and Plaza, the property benefits from shared access to a six-level parking garage with 364 spaces and direct connectivity to major infrastructure upgrades. The recent completion of the 7th Street revitalization project enhances pedestrian access and vibrancy, linking Busch Stadium to America’s Center and increasing foot traffic in the immediate area.
Investors will find substantial redevelopment support through Missouri’s nationally recognized historic tax credit program, offering up to 45% coverage when combined with federal incentives. Additional tools such as TIF, real estate tax abatement, and industrial revenue bonds can push total project cost coverage to 75%. The building’s location within a newly designated entertainment district further unlocks operational and funding advantages, including access to state bonding and public safety authority.
With flexible floorplates, rooftop and patio potential, and adjacency to over $3.2 billion in recent public/private investment, 721 Locust stands as a cornerstone opportunity in a district defined by innovation, walkability, and cultural momentum.