1929
The Museum of Modern Art opens in the Heckscher Building (corner of Fifth Avenue and 57th Street). Six rooms rented for galleries and offices.
1932
Museum moves to townhouse at 11 West 53rd Street (part of present site).
1939
"International Style" building, designed by Philip L. Goodwin and Edward Durell Stone, opens at 11 West 53rd Street location. The building is the Museum's first permanent home.
1951
Grace Rainey Rogers Annex, designed by Philip Johnson, opens at 21 West 53rd Street, adjacent to the original 1939 building (razed in 1979 to make room for the new west wing).
1953
The Abby Aldrich Rockefeller Sculpture Garden, designed by Philip Johnson, is dedicated. Acquisition of building at 27 West 53rd Street.
1956
Acquisition of building at 23 West 53rd Street for use as offices. The Museum Bookstore 2 later located there (1972).
1960
Two townhouses, Nos. 57 West 53rd Street, donated to the Museum (later razed to make room for the east wing).
1963
Acquisition of the Whitney Museum building at 20 West 54th Street (now called the north wing).
1964
Opening of east wing and garden wing and enlarged sculpture garden. Project designed by Philip Johnson.
1980
Construction begins on the west wing and apartment tower, built over parcel formerly occupied by Nos. 2135 West 53rd Street.
1984
New west wing, designed by Cesar Pelli & Associates, and renovated and improved Museum facilities open. West wing doubles exhibition space and adds a new film theater and two floors of offices. Other improvements include a four-story, glass-enclosed garden hall overlooking the sculpture garden and housing Museum circulation; two new restaurants in the expanded garden wing; and a completely refurbished sculpture garden.
1995
Acquisition of the Dorset Hotel at 30 West 54th Street and two adjacent townhouses at 42 West 54th Street and 41 West 53rd Street.