Loading view. There are no upcoming events. There are no upcoming events. Theater O Events Venues Theater O 25 State Street Ossining NY 10562 Ossining, NY 10562 United States Get Directions 914.487.4322 http://www.theatero.org/ Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file