Delivering a New Future for Old Chicago Post Office

Abandoned and in disrepair for nearly 20 years, the Old Chicago Main Post Office is about to get a new lease on life.

©2016 WSP USA

The interior floor of the building sustained some significant flooding damage and will need to be replaced.

©PHOTO COURTESY OF GENSLER

The plans for the renovation of the old post office will include preservation of marble flooring and other structural elements that can be saved and restored.

©PHOTO COURTESY OF GENSLER

In its heyday, spiral conveyors throughout the old post office building were used to move mail from the upper floors.

©2007 STEVE GEER/THINKSTOCK

The Old Chicago Main Post Office along Van Buren Street, once the largest building in the world but abandoned since 1997, will be converted into a mixed-use office and retail building.