The 2024 U.S. Capitol Christmas Tree will arrive Friday, 11/22. Lighting Ceremony 12/3. Details.
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Planned
Capitol Exterior Preservation - Stone and Metal
Capitol Building
A multi-phased project designed to address deferred maintenance, extend the life expectancy of the deteriorated stone and to replace missing elements of the U.S. Capitol Building.
On Going
Stone Preservation on the Capitol Campus
Stone preservation is a top priority for the Architect of the Capitol (AOC) as nearly every building is enveloped in stone and all have problems.
On Going
Summerhouse Maintenance
Capitol Grounds and Arboretum
The Architect of the Capitol's repair and renovation of the Summerhouse fountain and surrounding landscape is complete. Additional landscape improvements to the grotto and surrounding planting beds will continue into the spring of 2024.
On Going
Deferred Maintenance
When the Architect of the Capitol (AOC) does not receive enough funding to pay for all maintenance and repairs required across the U.S. Capitol campus, work gets deferred due to budget constraints.
On Going
Heritage Asset Conservation
The preservation of heritage assets on the U.S. Capitol campus is one of the Architect of the Capitol's (AOC) core functions.
On Going
Thurgood Marshall Façade Stabilization
Supreme Court Building and Grounds
Work to stabilize façade elements at the Thurgood Marshall Federal Judiciary Building has begun.
On Going
Adams Building Roof Replacement and Fall Protection
Library Buildings and Grounds
This two-phase project will replace the 85-year-old copper roof of the Library of Congress' John Adams Building.
On Going
Hearing Room Modernization Program
House Office Buildings
Senate Office Buildings
A multi-year program ensuring hearing rooms on the Capitol campus have reliable features to support Congress' legislative duties.
On Going
Inaugural Platform Construction
Capitol Building
The Architect of the Capitol (AOC) is has begun construction preparations related to the 2025 Inaugural Ceremonies.
On Going
Cannon Renewal
House Office Buildings
The Cannon House Office Building's renewal is an example of the Architect of the Capitol's commitment to preserving our nation's history.
On Going
Capitol Building Paint Analysis and Plaster Repairs
Capitol Building
Restoring areas of the U.S. Capitol to represent an appropriate period as determined by the curatorial community.
On Going
Olmsted Terrace Preservation
Capitol Building
To properly restore the Olmsted Terrace, a six-phased project is underway by the Architect of the Capitol (AOC) to repair the masonry at the terrace walls.
Completed
Structural Analysis of Calder's Mountains and Clouds
Senate Office Buildings
The four clouds were lowered to the ground and fully assessed to ensure their structural integrity, including analysis against seismic design considerations. This project was completed in 2016.
Completed
Accessible Pathway for the Capitol Campus
Capitol Grounds and Arboretum
The Architect of the Capitol continues to improve the accessible pathway for the Capitol campus.
Completed
Bartholdi Park Improvements
U.S. Botanic Garden
The United States Botanic Garden (USBG) and Architect of the Capitol (AOC) have made improvements to provide a safe and accessible route from Bartholdi Park to the American Veterans Disabled for Life Memorial and upgrade the aging infrastructure of the historic Park.