Security Bank Building
Security Bank Building, Neoclassical bank building in downtown Sioux Falls, United States
The Security Bank Building stands six stories tall at 101 South Main Avenue, constructed with structural steel and covered in Bedford limestone.
The first steel-framed office building in South Dakota, completed in 1916, faced construction delays due to steel shortages during World War I.
The building represents early 20th-century financial architecture with grand Ionic columns and decorative cornices reflecting the period's banking prosperity.
Located in central Sioux Falls, the Security Bank Building maintains its position on the National Register of Historic Places since 1984.
Members of the Dillinger Gang executed a dramatic robbery at this location in 1934, stealing $46,000 and using hostages during their escape.
Location: Sioux Falls
Inception: 1910s
Architectural style: Neoclassical architecture
Address: 101 South Main Avenue
GPS coordinates: 43.54722,-96.72861
Latest update: September 23, 2025 14:25
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