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

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The United States Capitol Building is located in a 58-acre park that was landscaped by Frederick Law Olmsted during the period 1874-1892.
The United States Capitol Building is located in a 58-acre park that was...

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A crowd of people visiting the Capitol during visitor hours
Visitor Hours for the Buildings on Capitol Hill.

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Yellow flowers in front of the Capitol Building
The Architect of the Capitol annually publishes a wide variety of publications...

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Detailed view of Chrysanthemum flowers
Learn about these "Starry Eyed Daughters of the Fall" at the U.S Botanic Garden...

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.