UNDC Properties

One, Two, and Three UN Plaza

UNDC developed and currently operates One, Two and Three UN Plaza located across First Avenue from the UN headquarters in midtown Manhattan. UNDC operates and maintains the office space at One and Two UN Plaza, and all of Three UN Plaza. UNDC’s principal tenants are the UN, UN Development Programme, UNICEF, and missions to the UN. One and Two UN Plaza are mixed-use buildings with a privately-owned hotel on the upper floors.

1 UN Plaza

One UN Plaza

One UN Plaza, which opened in 1975, is a 39-story mixed-use office building and hotel located at the northwest corner of 44th Street and First Avenue. The building includes approximately 420,000 square feet of office space located on floors 2 through 26, hotel space located on floors 2 and 27 through 39, and separate ground floor office and hotel lobbies.

Two UN Plaza

Two UN Plaza, which opened in 1983, is a 40-story mixed-use office building and hotel located between 44th and 45th Streets west of and adjacent to One UN Plaza. The building includes approximately 450,000 square feet of office space located on floors 2 through 28, hotel space located on floors 29 through 40, and separate ground floor office and hotel lobbies.

1 & 2 UN Plaza against blue sky
1, 2, and 3 UN Plaza as seen at night

Three UN Plaza

Three UN Plaza, which opened in 1987, is a 15-story office building located on the south side of 44th Street between First and Second Avenues, across from One and Two UN Plaza. The property includes approximately 205,000 square feet of office space, with an adjacent public plaza of approximately 5,000 square feet. Three UN Plaza is leased exclusively to UNICEF as its world headquarters.