Home › Venues › Casselman’s Bar & Venue Casselman’s Bar & Venue Tickets Buy tickets for concerts at Casselman’s Bar & Venue in Denver, CO. No Upcoming Events No upcoming events scheduled at Casselman’s Bar & Venue. Please contact us with any corrections. Hotels & Lodging Near Casselman’s Bar & Venue About the Venue Casselman’s Bar & Venue At-a-Glance Capacity 1,200Address2620 Walnut StreetDenver, CO 80205United States Map & Directions Advertisement