801 Grand
- Architect
- HOK
- Year
- 1991
- Style
- Postmodernism
- City
- Des Moines, IA
801 Grand is a 45-story, 630-foot office skyscraper built from 1989 to 1991 for developer and owner Principal Financial Group, designed by Hellmuth Obata and Kassabaum (HOK). It is the tallest building in both Des Moines and the state of Iowa, part of Principal's larger downtown campus, and features a skywalk connection and an eight-sided copper pyramid at its top. It is operated and managed by JLL Americas and was previously known as The Principal Building.
the building
Tallest in Iowa. At 630 feet and 45 stories, 801 Grand is the tallest building in both Des Moines and the state of Iowa.
Copper pyramid crown. The tower is topped by an eight-sided copper pyramid, a distinctive marker on the Des Moines skyline.
Foundation and cost. Construction began in 1989 with a foundation of 38,860 cubic yards of concrete poured over 139 drilled caissons; the tower cost $70 million to build, with an additional $19 million parking lot financed by the city of Des Moines.
the style
The tower was designed in the postmodern architecture idiom, its eight-sided copper pyramid a signature element atop the design.
More on Postmodernismthe architect
Designed by Hellmuth Obata and Kassabaum (HOK), a major national architecture firm.
nearby
- Cathedral Church of Saint Paul
- Register and Tribune Building
- Temple for Performing Arts
- Hubbell Building
- Younker Brothers Department Store
- Home Federal Savings and Loan Association of Des Moines Building