What was permitted
An existing fire alarm system is being modified at 140 S Dearborn St in Chicago's Loop neighborhood. This work affects one non-residential unit within a high-rise building and is associated with building permit 101083141.
This permit was issued on July 31, 2026, with a permit fee of $175, and is currently active. FOX VALLEY FIRE AND SAFETY CO is the contractor performing the modifications to the fire alarm system.
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