Featured

Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

Featured

Benjamin Henry Latrobe was hired by President Jefferson in 1803 to fill the...

Featured

The clock above the door on the east side of the Capitol Rotunda.
All eyes are on the clocks as we countdown on New Years Eve. These clocks...

Projects

Status: Ongoing

Building: House Office Buildings

The Cannon House Office Building has not received a comprehensive systems upgrade since the 1930s, and many of the building's systems are original – dating back to 1908 or earlier. These systems are past the end of their useful lives and the increasing risk of their failure jeopardizes the building's long-term functionality and safety. Other necessary work includes upgrading infrastructure systems andrepairing the exterior stone façade.

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Plaster repairs underway at the U.S. Capitol

Status: Ongoing

Building: United States Capitol

The AOC has identified areas throughout the Capitol that contain historic paint colors or decoration that need restoration. In many of these areas the plaster has cracked under the stress and weight of multiple paint layers, a result of decades of repainting wall and ceiling surfaces. These areas have been marked for paint analysis; a process that allows the AOC to record what finishes were used in the past before repairing the wall. This allows the area to be restored to its original appearance. Once an area has been documented, the walls must be stripped down to a stable surface that... More »




Status: Ongoing

Building: U.S. Botanic Garden

The United States Botanic Garden (USBG) and Architect of the Capitol (AOC) will restore the deteriorating stone façade and roof of the historic USBG Conservatory. Aside from a modest addition at the rear of the building, the historic Conservatory exterior remains unchanged from its 1933 appearance. 

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South Olmsted terrace restoration in 2015.

Status: Ongoing

Building: United States Capitol

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.

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Rayburn Garage Interior Rehabilitation work.

Status: Ongoing

Building: House Office Buildings

Years of leaking water and melting snow mixed with road salts have caused significant corrosion to the Rayburn House Office Building garage's structural concrete. For the past 15 years, interim measures have been put in place to extend its life. Unfortunately, some areas have deteriorated to the point where interim measures are no longer an option, and parking cannot be supported.

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Status: Ongoing

Building: Senate Office Buildings

The Russell Senate Office Building is the oldest of the three Senate Buildings and a wonderful example of the Beaux Arts style of architecture. However, over time, weathering and age have diminished many of the fine details of the facility's exterior stone, allowed water to penetrate into the building, impaired the building's energy efficiency and caused operational and... More »




Status: Ongoing

Building: U.S. Supreme Court

This restoration project entails cleaning, repairing and restoring the Vermont marble of the cheek walls on either side of west steps, and the North, South and East Façades of the Supreme Court Building. The stone will be cleaned to remove general soil, black gypsum crusts, biological deposits, and copper stains. The mortar and sealants in the joints of the marble will be replaced and the non-functional bird deterrent system will be... More »




Status: Ongoing

Building: U.S. Supreme Court

The first phase of the Thurgood Marshall Federal Judiciary Building restoration project involves the installation of netting at select locations of the building. Subsequent phases will include the removal of the building's veneer and replacement of damaged stone panels on the building's façade.

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Status: Ongoing

Building: U.S. Supreme Court

The Thurgood Marshall Federal Judiciary Building (TMFJB) is undergoing a renovation of the facility's parking garage. The project includes repair of water infiltration problems, replacement of interior finishes, crack repairs, a new traffic surface topping, and upgrades to the lighting and sprinkler systems.

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Scaffold on the Senate side of the U.S. Capitol Building.

Status: Ongoing

Building: United States Capitol

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.

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