The Architect of the Capitol is both the name of the U.S. legislative branch agency responsible for the maintenance of the Capitol campus and the title for the leader of the agency.

Aerial view of the U.S. Capitol campus in Washington, D.C.

Office of the Architect

The OA provides an enterprise perspective and vision for the AOC and helps the agency navigate legal, political and regulatory requirements and challenges.
Architectural details.

Office of the Chief Administrative Officer

The OCAO provides administrative and business support for the Architect of the Capitol.
Architectural detail.

Office of the Chief Engineer

The OCE oversees long-range facility planning, architectural and engineering design, historic preservation and project, program and construction management.
Architectural detail.

Office of the Chief Financial Officer

The OCFO manages the financial needs of the operational jurisdictions and central services.
The U.S. Capitol Dome's cupola during the day.

Office of the Chief of Operations

The OCO oversees the operational jurisdictions that help fulfill the Architect of the Capitol's mission.
Stone wall.

Office of the Chief Security Officer

The OSCO is responsible for the maintenance, care and operation of the buildings, grounds and security enhancements of the U.S. Capitol Police and more.

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Public Notice

Martha Hughes Cannon Statue Unveiled

The statue, given by Utah to the National Statuary Hall Collection, was dedicated in the U.S. Capitol Visitor Center's Emancipation Hall.
Public Notice

Summer 2025 Internship Opportunities Now Available

The Architect of the Capitol summer internship program is for current students. You may be eligible if you're currently enrolled in high school, college, trade school or another qualifying educational institution.
Public Notice

FY 2024 Performance and Accountability Report Available Online

The PAR offers an assessment of the priorities, accomplishments and financial accountability for fiscal year 2024. Capitol Highlights, infographics, charts, tables and photographs provide additional insight into the AOC's mission and performance.

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