The Octagon is currently closed for annual maintenance. Please email octagonmuseum@aia.org with questions, and check back here for updates on reopening.
Hours
- Free guided tours are available 11am & 3pm (roughly 45 mins)
Admission
- $10/adult
- $5/children and teens under 18; free for children under 5
- $5/DC residents, students, teachers, seniors, and military
- Octagon members receive free entry and more! Become a member >
- The Octagon is a part of the North American Reciprocal Museum (NARM) Association®. NARM members receive reciprocal benefits at The Octagon, just make sure you show your membership card at our front desk.
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).
- Last entry into the building is at 3:30 PM!
- 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