Headquarters of the United Nations Headquarters of the United Nations The United Nations is headquartered in New York City, in a complex designed by a board of architects led by Wallace Harrison, and built by the architectural firm Harrison & Abramovitz. The complex has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on of grounds overlooking the East River. Its borders are First Avenue on the west, East 42nd Street to the south, East 48th Street on the north and the East River to the east. The term "Turtle
Headquarters of the United Nations UN had completely moved out of its Lake Success headquarters by May. The construction of the General Assembly Building was delayed due to a shortage of limestone for the building, which in turn resulted from a heavy snow at the British limestone quarries that were supplying the building's limestone. The erection of the building's framework began in February 1952. The Manhattan headquarters was declared complete on October 10, 1952. The cost of construction was reported to be on budget at $65 million. In 1953, twenty-one nations donated furnishings or offered to decorate the UN headquarters. A new library building for