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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House Hearing Room Renovation

Rayburn Room 2172 recently underwent renovations that include a refurbished wall-to-wall audiovisual (AV) system, a custom dais and several improved accessibility features.
Public Notice

Volume 29 of Tholos Magazine Now Available

Read the Q&A with Architect Thomas E. Austin, learn about a recent House hearing room renovation, and view images from the past and present as we celebrate the AOC Photography & Technical Imaging Branch's 75th Anniversary.

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