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

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The Rayburn House Office Building, completed in early 1965, is the third of three office buildings constructed for the United States House of Representatives.
The Rayburn House Office Building, completed in early 1965, is the third of...

Featured

A virtual Map of Capitol Hill from above
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

Featured

AOC employee assembling a bunch of tiny American flags for a display
Information for Small Businesses interested in doing business with the...

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Picture of Richard Hartlage, Partner and CEO of Land Morphology in front of a garden
Learn from Partner and CEO of Land Morphology Richard Hartlage's experiences on...

What's New

  • Tree Lighting 2012
  • Capitol Dome Restoration
  • Juan Sandoval and Jose Hernandez using a lewis to remove stones from Olmsted Terrace.
  • Cannon Renewal Project

Projects

Get the latest information on AOC projects taking place across Capitol Hill.

Events

InstaMeet event photo.
Find out about events you can attend when visiting Capitol Hill.

Our Blog

Jim Saenger, the Capitol’s Carillonneur.
Read a blog about the art, architecture and work on Capitol Hill written by AOC’s experts.