One Shell Square

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One Shell Square
General information
Type Commercial offices
Architectural style international style
Location 701 Poydras Street
New Orleans, Louisiana
Coordinates 29°57′01″N 90°04′16″W / 29.9502°N 90.0711°W / 29.9502; -90.0711Coordinates: 29°57′01″N 90°04′16″W / 29.9502°N 90.0711°W / 29.9502; -90.0711
Completed 1972
Roof 697 ft (212 m)
Technical details
Floor count 51
Floor area Office: 1,256,988 sq ft (116,778.0 m2)
Retail: 32,700 sq ft (3,040 m2)
Design and construction
Architect Skidmore, Owings and Merrill
Developer Hines Interests Limited Partnership
Structural engineer Fazlur Rahman Khan

One Shell Square is a 51-story, 697-foot (212 m) skyscraper designed in the International style by Skidmore, Owings and Merrill, located at 701 Poydras Street in the Central Business District of New Orleans, Louisiana. It is the tallest building in both the city of New Orleans and the state of Louisiana, and is taller than Louisiana's tallest peak, Driskill Mountain. The building is primarily used for leaseable office space, with some retail space on the ground level. The design of the building is very similar to Houston's One Shell Plaza and Denver's Republic Plaza, both built by Skidmore, Owings and Merrill. Hines Interest is the developer of One Shell Square and Lincoln Property Company. Shell Oil Company is the building's largest tenant. Current occupancy of the building is approximately 90 percent.

Construction and design[edit]

One Shell Square was built using a double tube system, with a steel core and a concrete perimeter, and opened for business in 1972.[4] The exterior of the building is clad in Italian travertine (limestone) and bronze glass. There has been concern over the years regarding the limestone's integrity during severe weather such as tropical systems. Fortunately, these fears did not play out during Hurricane Katrina in August 2005 and the building weathered the storm with minimal damage, such as blown out windows and rain damage. The building reopened to tenants in December 2005.

At the time of its completion in 1972, One Shell Square was the tallest building in the Southeast, surpassing the Wachovia Bank of Georgia Building in Atlanta. It held the title of the Southeast's tallest building until 1976, when the Westin Peachtree Plaza in Atlanta surpassed it. One Shell Square was the first skyscraper in the South to surpass the 200 meter mark.

A heliport—the One Shell Square Emergency Heliport—is located on the roof of the tower.


One Shell Square is bounded by Poydras Street to the south, Carondelet Street to the west, Perdido Street to the north, and St. Charles Avenue to the east.

One Shell Square has its own ZIP code, 70139 surrounded by 70130.

See also[edit]


  1. ^ One Shell Square at Emporis
  2. ^ "One Shell Square". SkyscraperPage. 
  3. ^ One Shell Square at Structurae
  4. ^ "One Shell Square - The Skyscraper Center". Retrieved 2017-06-12.  line feed character in |title= at position 19 (help)

External links[edit]

Preceded by
Plaza Tower
Tallest building in Louisiana