Who is the owner of the Capitol building? Is it owned by Washington DC or the United States government? It is the property of the Legislative Branch of the US Government, and is controlled by the US Congress. Maintenance is provided by the Architect of the Capitol.

It is commonly referred to as Capitol Hill and houses all U.S. House of Representatives and U.S. Senate office buildings, the Library of Congress, and the symbol of democracy, the U.S. Capitol.

The United States Capitol Building houses the meeting chambers of the Senate (in the north wing) and the House of Representatives (in the south wing) – the two bodies that compose the legislative branch of the American government.

The United States Capitol in Washington, D.C., is a symbol of the American people and our government and the meeting place of the nation's legislature, the U.S. Congress.