The Octagon is open to visitors every Friday and the first and third Saturday of each month.
Hours
- Visiting hours open at 10am, with the last entry at 3pm.
- Guided tours are available 11am & 3pm (roughly 45 mins) on Fridays and open Saturdays
Admission
- $10/adult
- $5/children and teens under 18; free for children under 5
- $5/DC residents, students, teachers, seniors, military, and AIA members
Preparing for Your Visit
- Book your tickets in advance (tickets also available on-site)
- Explore our exhibits & events and history
Please Be Advised:
- Masks are strongly encouraged (regardless of vaccination status).
- The Octagon is not ADA accessible; however, we do offer a wonderful online tour of the spaces on our website.
- For groups of 10 or more, please email octagon@architectsfoundation.org for reservations and booking options. We request at 2 weeks advance notice; large group tours will not be available during the museum’s general open hours.

Location & Contact Info
- Email: Octagon@ArchitectsFoundation.org
- Phone: (202) 626 7439
- Address:
1799 New York Avenue, NW
Washington, DC 20006