The Strange Reason Chicago Homes Have Glass Block Windows

Why do so many Chicago and Chicagoland basements have glass block windows? From classic Chicago bungalows to suburban brick homes, these distinctive windows became one of the region’s most recognizable architectural features. In this video, we explore the history of glass block, why it became especially popular around Chicago, and how privacy, security, natural light, weather, and basement construction helped make it a Chicagoland staple. Whether you grew up with glass block windows in your basement or still have them today, this is the surprising history behind a feature most Chicagoans barely think twice about. Subscribe for more stories about Chicago history, Chicagoland nostalgia, forgotten architecture, neighborhoods, businesses, and everyday places from the past.