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.

Office of General Counsel

Serves as the Architect of the Capitol's supervising ethics office.

Office of the Chief of Operations

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

Capitol Grounds and Arboretum

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

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.

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.

Office of the Chief Administrative Officer

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

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.

Office of the Chief Financial Officer

The OCFO acquires and distributes resources that sustain the financial needs of the operational jurisdictions and central services of the AOC.

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.

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.

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

Public Notice

Volume 19 of Tholos Magazine Now Available

The latest edition of the Architect of the Capitol (AOC) employee magazine, Tholos, is now available. Article themes include Cool Tools, Organizational Transformation, Seasonal Highlight, Doing Good, Project Updates, and Spotlight on Safety.
Public Notice

A Decade of Excellence – AOC Receives Award for 10th Year in a Row

For the tenth consecutive year, the Architect of the Capitol (AOC) received the Association of Government Accountants' (AGA) prestigious Certificate of Excellence in Accountability Reporting (CEAR) for its Fiscal Year (FY) 2020 Performance and Accountability Report (PAR).