Home › Venues › The Green Room The Green Room Tickets Buy tickets for concerts at The Green Room in Flagstaff, AZ. No Upcoming Events No upcoming events scheduled at The Green Room. Please contact us with any corrections. Hotels & Lodging Near The Green Room About the Venue The Green Room At-a-Glance Capacity 550Address15 North Agassiz StreetFlagstaff, AZ 86001United States Map & Directions Website flagstaffgreenroom.com/Advertisement