Chicago’s Most Endangered Buildings: 2026 Edition
This year, Chicago preservationists have voiced their concerns about eight key structures that are in danger of being lost. Notably, these include historic sites like the Art Institute’s Stock Exchange Trading Room, St. Mary of the Assumption Church, and various labor union halls.
Preservation Chicago, a nonprofit dedicated to protecting local architecture, released their annual list highlighting buildings threatened by neglect or demolition. They’ve been doing this since 2003, focusing on the importance of these structures in fostering community identity.
Ward Miller, the executive director of Preservation Chicago, emphasizes the need for vigilance in preserving these architectural treasures. “These are not just buildings; they’re the essence of our neighborhoods.”
Endangered Structures
The current list features:
- Art Institute of Chicago’s Stock Exchange Trading Room
- Chicago River Bridges and Tender Houses
- St. Mary of the Assumption Church
- Chicago Labor Union Halls
- Chicago Loop Synagogue
- South Park Terrace Apartments
- Yukon Building
- St. Mark Roman Catholic Church
Miller points out that many of these nominees reflect significant themes in Chicago’s cultural and historical landscape. For example, the bridges and labor union halls echo the city’s economic evolution.
The Importance of Preservation
The need for public awareness is critical, as it can lead to investment and engagement from city officials and residents alike. As Miller notes, “These structures remain endangered until there’s movement to protect them.”
Interestingly, many preservationist efforts have seen success, but the fight for some buildings can be challenging. Recent studies indicate that cities with robust preservation efforts tend to have healthier community ties, illustrating the broader impact of saving these structures.
Notable Endangered Locations
Chicago Stock Exchange Trading Room: A marvel of architectural beauty, originally designed by Adler and Sullivan. Once demolished, its remnants were saved and incorporated into the Art Institute. Now, its future remains uncertain as expansion plans threaten its existence.
Chicago River Bridges: Known for their beautiful design, these are essential for maintaining river traffic. They form an integral part of Chicago’s transport heritage but require urgent repairs due to age.
St. Mary of the Assumption Church: Founded in 1886 and linked to Pope Leo XIV, this church has unfortunately fallen into disrepair since its closure in 2011.
Labor Union Halls: The heart of Chicago’s labor movement. Many of these buildings reflect the city’s labor history, emerging from significant events like the Haymarket Affair. However, they face threats from neglect and proposed demolitions.
Experts believe that without serious efforts to protect these sites, future generations could lose vital pieces of Chicago’s heritage.
In summary, Chicago’s architectural legacy is at stake. Preservation Chicago’s ongoing advocacy is essential to sustain the cultural and historical richness of the city for the years to come.

