Botanic Garden

The U.S. Botanic Garden jurisdiction oversees maintenance, operations and construction for facilities including the Conservatory and acres of gardens.

Capitol Building

The Capitol Building jurisdiction is entrusted with the care and stewardship of the U.S. Capitol, centerpiece of the campus.

Capitol Grounds and Arboretum

The Capitol Grounds and Arboretum jurisdiction is responsible for maintaining and preserving the historic landscape designed by Frederick Law Olmsted.

Capitol Police Buildings, Grounds and Security

The Capitol Police Buildings, Grounds and Security is managed by the AOC's Office of Security Programs.

Capitol Power Plant

The AOC Capitol Power Plant jurisdiction manages year-round plant operations, providing and distributing steam and chilled water to heat and cool the campus.

Capitol Visitor Center

The CVC jurisdiction manages the U.S. Capitol Visitor Center, which serves as the main entrance for those visiting the U.S. Capitol Building.

Chief Administrative Officer

The Chief Administrative Officer provides business support, including Acquisition and Material Management, Curator, Human Capital Management, IT and more.

Chief Financial Officer

The Chief Financial Officer ensures sound financial stewardship and analyzes the financial implications of program decisions.

Communications and Congressional Relations

Communications and Congressional Relations is responsible for strategic communication initiatives, legislative affairs and media and community relations.

Diversity, Inclusion and Dispute Resolution

The Diversity, Inclusion and Dispute Resolution office supports the agency's commitment to providing a work environment free of discrimination and harassment.

General Counsel

The General Counsel serves as the AOC's supervising ethics office.

House Office Buildings

The AOC House Office Buildings jurisdiction is responsible for the operation, maintenance and preservation of more than 5 million sq. ft. of facility space.

Library Buildings and Grounds

The AOC Library Buildings and Grounds jurisdiction is responsible for the operation, maintenance and stewardship of the Library of Congress spaces.

Planning and Project Management

AOC Planning and Project Management provides services including long-range facility planning, architectural and engineering design, and historic preservation.

Safety, Fire and Environmental Programs

Safety, Fire and Environmental Programs is responsible for leading our efforts to provide a world-class safety culture, reducing injuries and incidents.

Senate Office Buildings

The AOC Senate Office Buildings jurisdiction has oversight for daily care, maintenance, repair and operations of more than 3 million sq. ft. of facility space.

Supreme Court Building and Grounds

The AOC Supreme Court Building and Grounds jurisdiction operates and maintains the U.S. Supreme Court and Thurgood Marshall Federal Judiciary Buildings.

Recent News

Noteworthy Updates

Behind the Scenes

U.S. Capitol Clean-up

The events of January 6 left most of the nation at a standstill, but Architect of the Capitol (AOC) employees immediately went to work, restoring the building and grounds to their proper condition so that Congress could safely reconvene and inaugural preparations could get back on track.
History & Discoveries

Honoring the U.S. Capitol Guides Buried in Congressional Cemetery

Several of the men who first led tours through the U.S. Capitol are buried in Congressional Cemetery. In December 2019, a group from the Capitol Visitor Center Social Committee gathered at the cemetery to place markers on the graves of these guides and learn more about their lives.
Public Notice

Fall 2020 Issue of Tholos Magazine Now Available

Article themes and highlights include Beyond the Dome at Congressional Cemetery, Spotlight on Safety, Doing Good, a project update on the Olmsted lanterns and By the Numbers for Presidential Inauguration 2021.