Lyon County Courthouse | |
&sq=&lang=&file=File:Lyon_County_IA_Courthouse.jpg) Lyon County Courthouse | |
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| Location | 3rd and Story Sts. Rock Rapids, Iowa |
|---|---|
| Coordinates | 43°25′48″N 96°10′02″W / 43.43000°N 96.16722°W |
| Area | less than one acre |
| Built | 1916-1917 |
| Built by | Amwold Construction |
| Architect | Joseph Schwartz |
| Architectural style | Beaux-Arts |
| MPS | County Courthouses in Iowa TR |
| NRHP reference No. | 79000913 [1] |
| Added to NRHP | October 1, 1979 |
The Lyon County Courthouse is located in Rock Rapids, Iowa, United States. It was listed on the National Register of Historic Places in 1979. The courthouse is the second building the county has used for court functions and county administration.