Cannon House Office Building, Government office building on Capitol Hill, Washington D.C., United States
The Cannon House Office Building features white marble, limestone, and granite facades across its five floors and 826,465 square feet of space.
The structure, completed in 1908, emerged from the Sundry Civil Appropriation Act of 1901 to provide dedicated office spaces for House Representatives.
The building's Rotunda contains Corinthian columns and a coffered dome, reflecting the classical architectural elements of early 20th-century American government buildings.
Representatives and their staff members access meeting facilities, administrative services, cafes, and gymnasiums throughout the building's multiple floors.
Before the construction of this building, House members borrowed committee rooms or rented external spaces due to limited office availability.
Location: Washington, D.C.
Inception: 1908
Architects: Thomas Hastings, Carrère and Hastings
Architectural style: Beaux-Arts
Floors above the ground: 5
Made from material: marble, limestone
Address: 27 Independence Ave SE, Washington, DC 20003 20003
GPS coordinates: 38.88694,-77.00694
Latest update: May 27, 2025 08:40
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