Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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Marble statue of President Abraham Lincoln in the Rotunda of the U.S. Capitol depicts him with a serious, contemplative expression.
The statue of President Abraham Lincoln in the Rotunda of the U.S. Capitol...

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A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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An AOC worker mowing the grass on the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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The AOC is responsible for nearly 600,000 square feet of windows
Architect of the Capitol Stephen T. Ayers reflects on the almost 600,000 square...

Library Buildings and Grounds Superintendent's Office

Library Buildings and Grounds Superintendent's Office

Skilled tradespersons work behind the scenes providing services to the Library that include: ensuring a safe and comfortable indoor environment; preserving historic structures; maintenance, repair, and construction; and landscape design, planting, and grounds maintenance.

AOC Library Buildings and Grounds, under the direction of the Architect of the Capitol (AOC), is responsible for the day-to-day structural, mechanical and grounds care of the Library of Congress. This includes the Library's three buildings on Capitol Hill and a number of facilities beyond Washington, D.C., including The Packard Campus of the National Audio-Visual Conservation Center in Culpepper, Virginia.

AOC Library Buildings and Grounds is comprised of a variety of skills and trades including the operation of the air conditioning, electrical, elevator, fire/electronics, masonry, painting and refinishing, plumbing, sheet metal, mechanical, and landscaping design and maintenance.
 
These skilled tradespersons work behind the scenes providing services to the Library that include: ensuring a safe and comfortable indoor environment; preserving historic structures; maintenance, repair, and construction; and landscape design, planting, and grounds maintenance.
 

 

Need Assistance?

Submit a work order to the Library of Congress Superintendent's Office 24 hours a day, seven days a week at: 202.707.5157 or by using the online work request form (must be connected to the Capitol Hill network to access this link).

 

Project Updates
Stay up to date on projects underway across Capitol Hill.