What was permitted
This permit for 400 S LaSalle St in Chicago's Loop neighborhood represents Phase 2 of 3 for significant infrastructure upgrades. The project involves converting a 7-story office building into a data center, including reinforcement of existing floors.
Issued on July 6, 2026, this permit is active. The permit fee alone was $156,100, indicating a substantial project cost for this conversion, managed by KELSO-BURNETT CO. Future phases will cover mechanical, plumbing, fire protection, and equipment.
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