Court proceedings were first held in a schoolhouse in Hamlin's Grove after Audubon County was established in 1851.

The county board of supervisors made an appropriation for a new courthouse in 1871, but its construction was delayed due to the disagreement.

The building's name was changed to the Opera House when the first floor was rented out to travelling musical and theater groups, and Chautauquas.

[3] Other uses for the building have included the town's first library, a bakery, restaurant, cafe, an outreach center, as well as other uses.

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