Commercial Union Assurance Building, Renaissance Revival skyscraper in Financial District, San Francisco, United States
The Commercial Union Assurance Building is a Renaissance Revival skyscraper located at 315 Montgomery Street with 16 floors rising 94 meters tall. Its facade features elaborate ornamental details that emphasize the classical style of the structure.
George W. Kelham designed this structure in 1921 when insurance companies were expanding their presence in major cities. Its completion marked a period of economic growth for San Francisco's Financial District.
The building showcases Renaissance Revival features that were popular in early 20th century San Francisco. Its ornamental facade with classical details continues to define the character of this historic business district.
The building functions as an office structure in the Financial District with good access via multiple transportation options. Visitors should note that interior access may be limited since it remains a private office building.
This structure matches the height of San Francisco City Hall, creating an interesting vertical balance in the downtown skyline. This unintended correspondence often goes unnoticed by city visitors.
Location: San Francisco
Inception: 1921
Architects: George W. Kelham
Architectural style: Renaissance Revival architecture
Floors above the ground: 16
GPS coordinates: 37.79210,-122.40300
Latest update: December 9, 2025 12:26
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