Open House Buenos Aires 2026
The annual Architecture and Urban Planning Festival Open House Buenos Aires, will take place this year on Saturday, October 3rd and Sunday, October 4th, 2026. An open house weekend at those buildings that cause admiration and curiosity. Buenos Aires was the first Latin American city to adopt the Open House concept in 2013.
Open House offers the opportunity to enter for free and explore those private or public places that are normally closed to the general public, with the help of volunteers who generously give their time to accompany and comment on the tours. This year more than 200 buildings, selected for their architectural heritage and cultural value and which usually can not be accessed freely, will be open to the public.
Certain spaces or activities require advance registration, depending on capacity or the hosts' decision. This requirement will be clearly indicated in the online catalog and on the digital map. Registration opens on September 23rd at 10:00 AM via Eventbrite. Spots are limited, and all of them are released at the same time. You can see which activities require advance registration in the registration section.
Most of the buildings do not require previous registration to visit, but in order to secure entrance it is recommend to arrive as early as possible and as much in advance before the closing time. An ID or Passport will be requested without exception in order to enter the buildings on the day of the event.
There are some additional free activities during the weekend, like Open Camina (City Walks), and Open Bici (Bike circuits).
All the activities are free of charge. For more information visit Open House Buenos Aires website (in Spanish only).
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