O'Neill House Office Building

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The O'Neill House Office Building is an office building in Washington, D.C., that houses offices of both the House of Representatives and the Department of Health and Human Services. It is named after former United States Congressman from Massachusetts and Speaker of the United States House of Representatives Thomas P. "Tip" O'Neill Jr. and located at 200 C Street Southwest in the Southwest Federal Center district, at the foot of Capitol Hill. [1]



The O'Neill building is in the Southwest Federal Center area, which began to take shape in the 1950s as part of an urban renewal project that included destruction of multiple square miles of residences and buildings that were deemed to be run-down. It is flanked by the Hubert H. Humphrey Building, the headquarters of the Department of Health and Human Services; and the Ford House Office Building, which also contains House of Representatives offices. It is adjacent to the Center Leg Freeway of Interstate 395, which separates it from the Rayburn House Office Building.


Federal Building No. 8 in the late stages of construction around 1963 Federal Office Building No. 8 in 1963.jpg
Federal Building No. 8 in the late stages of construction around 1963

The building was constructed in 1963 as Federal Office Building No. 8 to house laboratories for the Food and Drug Administration, an agency of the neighboring Health and Human Services, located across the street in the Hubert H. Humphrey Building. [2]

Starting in 2008, the office building underwent an extensive, $130 million renovation. The building received new green spaces, heating and air conditioning, electrical systems, more glass and numerous energy- and water-saving features, earning it a "gold" rating under the Leadership in Energy and Environmental Design system.

The House of Representatives voted in 2012 to name the building after O'Neill, after a suggestion by minority leader Nancy Pelosi. [3]

The O'Neill building opened for occupancy in 2014.

A 2017 law transferred ownership of the building to the Architect of the Capitol, the agency that owns and maintains congressional buildings. It was then given its current name and opened to public access, like the other House and Senate office buildings.


The O'Neill building is shared by the House of Representatives and the Department of Health and Human Services. It houses about 2,000 staffers. The House of Representatives is using the building, in part, to temporarily house committee staff who are being displaced by a Cannon House Office Building renovation project due to last until 2025. [4] Health and Human Services uses the structure for its Office of the Assistant Secretary for Preparedness and Response, which exists to prepare for and respond to public health emergencies and disasters. It is secure and not open to the public, except by appointment and when escorted.

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  1. "Archived copy". Archived from the original on 2015-02-15. Retrieved 2015-02-01.CS1 maint: archived copy as title (link)
  2. "Latest Publications" . Retrieved 19 September 2016.
  3. "Federal Building in Nation's Capital to be Named for Former House Speaker Tip O'Neill". 27 November 2012. Retrieved 19 September 2016.
  4. "Work Begins on 10-Year Cannon Renewal Project". 16 January 2015. Retrieved 19 September 2016.

Coordinates: 38°53′08″N77°00′52″W / 38.8855°N 77.0145°W / 38.8855; -77.0145