Monona County Courthouse
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Location | Iowa Ave. Onawa, Iowa |
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Coordinates | 42°01′37.5″N 96°05′32.6″W / 42.027083°N 96.092389°WCoordinates: 42°01′37.5″N 96°05′32.6″W / 42.027083°N 96.092389°W |
Area | less than one acre |
Built | 1892 |
Architect | S. E. Moxon P. H. Wind |
Architectural style | Romanesque Revival |
MPS | County Courthouses in Iowa TR |
NRHP Reference # | 81000257 |
Added to NRHP | July 2, 1981 |
The Monona County Courthouse, located in Onawa, Iowa, United States, was built in 1892. It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource. The courthouse is the second building the county has used for court functions and county administration.
The first county seat for Monona County was Ashton. Onawa became the county seat in 1855 and the county offices were located in Mechanics’ Hall. The citizens of the town raised $12,500 for a courthouse in order to retain the county seat. After Onawa won a challenge against East Mapleton a $7,000 courthouse was completed in 1858. The present courthouse was built in 1892 in the Romanesque Revival style.