From the record
“The Alexis Opera House is a historic theater building located at 101-105 N. The building, which operated from 1889 until 1920, hosted traveling entertainment and community functions.”
Wikipedia article Alexis Opera House, CC BY-SA 4.0.
One of 11 National Register listings published here for Warren County · listed in 1987 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service