The National Garden provides "living laboratories" for environmental, horticultural, and botanical education in a contemplative setting.
The National Garden opened in 2006 as a place for visitors to experience the...


The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.


Painted portrait of Dr. William Thornton
The Architect of the Capitol (AOC) is the builder and steward of America’s...


Ted Bechtol, AOC Capitol Grounds Division
For two beautiful summer days in late July, I traveled around Chippewa National...

Who We Are

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?

Contact the Capitol Service Center at 202.228.8800 or submit an Online Service Request (must be connected to Capitol Hill network to access link).

6 a.m. – 11 p.m.*
(*Will remain open if Congress is in session.)

8 a.m. – 4:30 p.m.

Project Updates

Stay up to date on projects underway at the Capitol.