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

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The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in diameter and 180 feet in height located in the center of the United States Capitol on the second floor.
The U.S. Capitol Rotunda is a large, domed, circular room 96 feet in diameter...

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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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Photo with enclosed area on Dome.
Update: November 2014 Scaffoldin​g and Restoring PhaseThe scaffolding assembly...

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Close up view of a Saccharum Officinarum plant
The U.S. Botanic Garden will highlight plants that impart flavor to sweet foods...

Capitol Superintendent's Office

AOC staff from the Capitol Sheet Metal Shop make repairs on the roof of the Capitol.

The AOC Capitol Building Superintendent's Office, led by Superintendent Carlos Elias, is responsible for the day-to-day structural, mechanical and domestic care of the Capitol Building and the Capitol Visitor Center.

The Capitol Building Superintendent’s office is comprised of a number of shops that include carpentry, electrical, elevator, labor, heating, ventilation, air conditioning, refrigeration, masonry, painting and decorating, plumbing, and sheet metal division, and flag office.

These skilled tradespersons and laborers work behind the scenes providing services that include: ensuring a safe and comfortable indoor environment; preserving historic structures; flying flags over the Capitol; and special events set-up.

Services available through the Capitol Service Center:

  • Furniture and cabinet installation
  • Leveling of document displays
  • Keys and lock-out service
  • Heating and air conditioning
  • Cleaning and trash removal
  • Recycling
  • Plumbing and electrical
  • Special events set-up
  • Office and decorative painting
  • Pest Control

Need Assistance?

Capitol Service Center: 202.228.8800
Online Service Request (must be connected to Capitol Hill network to access link)
Monday-Friday 6 a.m. - 11 p.m.*
Saturday-Sunday 8 a.m. - 4:30 p.m.
(*Will remain open if Congress is in session.)

 

Project Updates

Stay up to date on projects underway at the Capitol