Town of Harrison Senior Citizens Center 216 Halstead Ave, Harrison, NY10528 The Senior Center in Harrison is an extremely community focused organization. It strives to provide seniors with ample…More activity and enjoyment. The building itself hosts a kitchen, along with a meeting hall. Numerous events are held year-round at the center. These include exercise classes, line dancing, bingo and a variety of trips. Trip locations include Mohegan Sun and theatre trips. Interested patrons are encouraged to contact Recreation Supervisor Rocco Troiano.