When Is Open House Chicago 2024 Dates. Happening on october 19 and 20, open house chicago 2024 grants locals and visitors inside access to more than 170 sites in over 20 neighborhoods. The annual event allows citizens and visitors alike to access buildings and sites.

This festival is a part of open house worldwide, a network of almost 60 organizations hosting festivals and. During this weekend event, you’ll have the opportunity to explore more than 170 sites across 20.