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.

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.

Office of the Chief Administrative Officer

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

Office of the Chief Engineer

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

Office of the Chief Financial Officer

The OCFO manages the financial needs of the operational jurisdictions and central services.

Office of the Chief of Operations

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

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.

Our Stories

Recent Articles

History & Discoveries

Jefferson Finds Capitol Inspiration in City of Light

Thomas Jefferson, inspired by skylights he saw in Paris, prevailed upon the Architect of the Capitol to include something similar in the U.S. Capitol's new chamber for the House of Representatives. However, all the skylights came to an untimely end.
Behind the Scenes

Embracing a Vintage Electric Cargo Tricycle for Greener Gardening

This innovative mode of transportation allows the dedicated gardening staff to move throughout the historic grounds of the U.S. Capitol with ease, all while carrying up to an impressive 300 pounds of gardening tools and horticultural materials.