The spacious 3500 sq. ft. Roseville Opera House, which doesn't host theatre or opera anymore, is a ballroom with a large stage. There is an outdoor balcony overlooking Old Town Roseville.
Inside there is no smoking, but you can smoke on the balcony.
The ballroom accommodates 240 people comfortably. It's maximum occupancy is 299. The chairs and tables are included, and there is ample parking. The Opera House is available to rent for events, weddings, and parties at a reasonable price and they offer extended use at no extra cost.
For an appointment call or email them. The address above is for the office while the ballroom sits just around the corner at 411 Lincoln Street.