0 events found. Notice There were no results found. Notice There were no results found. Octagon House Events Venues Octagon House Address 1799 New York Avenue NW Washington D.C., DC 20006 United States Get Directions Website https://architectsfoundation.org/octagon-museum/ 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