National Capital Planning Commission NCPC

Congress created the National Capital Park Commission on June 6, 1924, to plan parks in and around Washington, broadened it into the National Capital Park and Planning Commission in 1926, and reorganized it as the National Capital Planning Commission in the National Capital Planning Act of July 19, 1952. Its twelve members blend federal and local interests: three citizens appointed by the President, two appointed by the Mayor of the District of Columbia, and ex officio members including the Secretaries of Defense and the Interior, the head of the General Services Administration, the Mayor, the D.C. Council chair, and the chairs of the congressional committees that oversee the District.

NCPC prepares the federal elements of the comprehensive plan for the national capital region and reviews federal construction projects and federal land transfers in Washington and nearby parts of Maryland and Virginia, from new agency headquarters and security barriers to memorials on the National Mall. Its approval is required for most federal projects in the District, while it advises on others. It also works with the Commission of Fine Arts, which reviews design, and the National Park Service, which manages much of the Mall.

Because federal agencies own about a third of the land in Washington, NCPC decisions shape the city's skyline, parks, and monuments, and its 2001 Memorials and Museums Master Plan guides where new commemorations can go as space on the Mall runs short. Its review of high-profile projects, including the White House ballroom proposed in 2025, has drawn public attention to how much say the planning process gives local residents, preservationists, and the President. Supporters of strong review say it protects the capital's design legacy, while critics say it can slow needed federal projects.