Chicago Open House 2024 Location. Open house chicago — the city’s free annual architecture festival — is back on saturday, oct. Weekdays, and until midnight on weekends, available for people before and after shows, but other times as.

Open house chicago remains one of the largest events of its kind in the world. For the 8th year, the chicago fed is opening its doors for the chicago architecture center’s signature (and free!) festival, open house chicago.