The 12,500 sq. ft. community center opened in 1998 and is named after a former Commissioner, George D. Mullen. The facility includes a gymnasium with multi-purpose flooring & stage, fitness center, meeting rooms and commercial kitchen. Just behind the facility are the Larry Thoennissen athletic fields. Mullen Center Hours Monday - Friday 8:00am-9:00pm Saturday 8:00am-4:00pm Sunday Closed Mullen Center Summer Hours (June 9-August 15) Monday-Friday, 6:00pm-9:00pm Saturday, 8:00pm-4:00pm