Dirksen Senate Office Building
Dirksen Senate Office Building, Senate office building in Washington, D.C., United States
The Dirksen Senate Office Building spans 750,520 square feet with seven floors constructed of marble and limestone on Constitution Avenue Northeast.
Construction began in 1956 after World War II created a need for additional Senate workspace, and the building opened on October 15, 1958.
Bronze doors at the main entrance display the American eagle alongside inscriptions representing Equality and Liberty, reflecting fundamental national principles.
The building contains forty five-room suites, twelve committee rooms, and essential facilities such as a gymnasium, post office, and cafeteria.
The structure features a sustainable green roof installed in 2011, transforming a former tennis court into a garden space with sedum plants.
Location: Washington, D.C.
Inception: October 15, 1958
Architects: Eggers & Higgins
Official opening: October 15, 1958
Architectural style: Beaux-Arts, modern architecture
Website: https://aoc.gov/explore-capitol-campus/buildings-grounds/senate-office-buildings/dirksen
GPS coordinates: 38.89310,-77.00530
Latest update: October 2, 2025 11:49
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