Olsen House (Helena, Montana)
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Olsen House | |
| Location | 516 North Park Avenue, Helena, Montana |
|---|---|
| Coordinates | 46°35′33″N 112°2′23″W / 46.59250°N 112.03972°W |
| Area | less than one acre |
| Built | 1885 |
| Architectural style | Italianate, Vernacular Italianate |
| NRHP reference No. | 91000333[1] |
| Added to NRHP | March 22, 1991 |
The Olsen House is a historic house in Helena, Montana. It has been listed on the National Register of Historic Places since March 22, 1991.[2] It stands opposite St. Peter's Cathedral.