National Register of Historic Places

Interstate Power Company Building

Dubuque, Dubuque County, Iowa
Listed
June 25, 2008
Type
Building
Period
Industrial
Ref No.
08000328

About this property

The Interstate Power Company Building, also known as the Masonic Hall and the Dubuque Electric Company, is a historic building located in Dubuque, Iowa, United States. While a single facility, this is actually two buildings: an 1894 three-story Queen Anne, and a 1956 three-story (later four-story) Modern Movement free-standing addition. The Dubuque Electric Company moved into the older building in 1924, and the following year it was reorganized as Interstate Power Company. This became the headquarters of a regional electrical utility that, at one time, served parts of eight states and a Canadian province. The Great Depression and antitrust court rulings altered the company's fortunes. The 1956 addition was designed to hold the companies large computers in an air-conditioned environment, in addition to office space. Other additions to the building were made in 1962, 1981 and 1989. The facility remained Interstate's corporate headquarters until Alliant Energy bought and absorbed the company in 1996. Alliant continued to use the building for a period of time afterward. It was included as a contributing property in the Upper Main Street Historic District in 2005, and it was individually listed on the National Register of Historic Places in 2008.

Location

1000 Main; 131 W. 10th St.
Dubuque, Dubuque County, Iowa
42.50256, -90.66732

Categories

COMMERCE
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Native Heritage
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Settlement
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The Community
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Nearby Historic Sites

Dubuque YMCA Building
Early Republic
0 mi
Grand Opera House
Industrial
0.1 mi
Town Clock Building
Industrial
0.1 mi
Upper Main Street Historic District (Boundary Increase)
Listed
0.1 mi
Security Building
Industrial
0.1 mi

Nearby Battles

Attack on Sinsinawa Mound
1832Early Republic
8.5 mi

Questions about this property

When was Interstate Power Company Building listed on the National Register?

Interstate Power Company Building was listed on the National Register of Historic Places on June 25, 2008.

What type of historic resource is Interstate Power Company Building?

Interstate Power Company Building is classified as a building in the National Register of Historic Places.

What is the period of significance for Interstate Power Company Building?

The period of significance for Interstate Power Company Building is recorded as the industrial era.

Can I research the history near Interstate Power Company Building?

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