The second weekend of October arrives with an edition of Open House Buenos Aires 2025 (OHBA). Your chance to discover for free buildings in the city of Buenos Aires that are amazing for their architecture. Some are historic buildings but many are residential buildings. Schedule yourself on Saturday 11 and Sunday 12 October, we tell you how to visit for free the 130 public and private buildings that open their doors for free.
Join Open House 2025: How to visit for free the 130 buildings and spaces that are open to the public.
Open House Buenos Aires is the opportunity to get inside the buildings you always see around the city and wonder what they look like inside, who created and designed them, and most importantly, what will it be like to live inside them? During a weekend in October, those buildings that are always closed open their doors so that you can discover them in free guided tours: Open House 2025 has walking tours, bike tours and even a photographic circuit so that in addition to knowing more than 100 unmissable buildings of Buenos Aires, you can take pictures of them with your camera.
Historical buildings, modern jewels, private residences and emblematic places that make up the heritage of Buenos Aires are open in Open House Buenos Aires in October.
Visits do not require prior registration, with a few exceptions. In those cases,registration opens on Friday 3 through Eventbrite. Admission is on a first-come, first-served basis. Please note that some buildings have limited spaces and that the last group may enter up to half an hour before the end of the tour. Don’t delay!
In addition to the access to the buildings, OHBA 2025 adds two proposals that invite you to visit Buenos Aires from new perspectives.
Walk Buenos Aires: is a series of seven guided walks through different neighborhoods, which seek to tell the history of the city through its architecture and urbanism. In this circuit you will walk and discover the architecture of Belgrano, Av. de Mayo (the boulevard of the belle époque) and Recoleta among many others.
Open Bici: if you like the idea of touring Buenos Aires by bike, you can also do it. With six themed bike circuits, you will be able to cross neighborhoods and discover stories from the design, literature and urban fabric from your bike through Barracas, La Boca, Monserrat and Puerto Madero.
Which are the buildings of Open House Buenos Aires 2025 that require prior registration?
There are more than 130 buildings available to visit for free and a few require you to register in advance. Check the online catalog here to discover each of the buildings in this edition.
In the description of each building you will find all the details of the building and the days and times of the visit. If the building requires prior registration, you will be able to sign up on the link of that building.
One of these buildings, for example, is the Banco Hipotecario, by architect Clorindo Testa. Remember that registration for the buildings that require it will be open on October 3.
The map of all the buildings you can visit at Open House this October 11 and 12 in Buenos Aires
We leave you the interactive map of all the buildings you can visit in Open House this October 11 and 12 in Buenos Aires so you can plan your tour:
Open House Buenos Aires 2025 is much more than an agenda of visits: it is an opportunity to discover the heritage of Buenos Aires. Remember that all activities are free and open to the public. All you have to do is choose the tour and let yourself be surprised by a different Buenos Aires.