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Outside view of the Ford House Office Building.
The Ford House Office Building was constructed in 1939 as Washington's first "...

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

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

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Screenshot from the U.S. Capitol rotunda mobile app.
​Knowing that the U.S. Capitol Rotunda would be closed to visitors to prepare...

Who We Are

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.

Under the direction of the Architect of the Capitol (AOC), the Library Buildings and Grounds 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 (James Madison, John Adams and Thomas Jefferson Buildings) 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?

Contact the Library of Congress Superintendent's Office 24 hours a day, seven days a week, at 202.707.5157 or submit an Online Work Request Form (must be connected to Capitol Hill network to access link).


Project Updates

Stay up to date on projects underway across Capitol Hill.