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

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Outside view of the U.S. Botanic Garden Conservatory and sign.
From jungle to desert to primeval paradise, the indoor gardens and galleries...

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Snapshot of a crowd of people on a guided tour through the Rotunda of the U.S. Capitol
Official Tours of the U.S. Capitol Building are offered Monday through...

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Clive Atyeo, Gardener, USBG
Information about working for the Architect of the Capitol:

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Food pantry photos courtesy of Richard Edmonds.
Edmonds hopes to leave behind a legacy that exemplifies how important it is to...

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?

Contact the Library of Congress Superintendent's Office 24 hours a day, seven days a week, at 202.707.5157.

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.