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

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In Emanuel Leutze’s mural, a group of pioneers and their train of covered wagons are pictured at the continental divide, looking towards the sunset and the Pacific Ocean. The border depicts vignettes of exploration and frontier mythology. Beneath the central composition is a panoramic view of their destination “Golden Gate,” in San Francisco Bay.
Emanuel Leutze’s mural celebrates the western expansion of the United States....

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A view of the Capitol Visitor Center lit up at night
The Office of Congressional Accessibility Services (OCAS) provides a variety...

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Stewardship
The Architect of the Capitol is committed to the preservation and stewardship...

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AOC employees plan renovations to Representative Tammy Duckworth's Office
A team of tradecrafts experts at the AOC transform an office into a completely...

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.