Remodel 5 permits in this project Active

400 S La Salle St

Chicago, IL 60605 Issued Sep 16, 2026 Renovation / alteration

This permit is one piece of a 5-permit project.View the main permit
Declared value $206M$206,497,046, whole project
Size Not reported
Floors Not reported
Units Not reported

Scope of work

Phase 3 of 3: interior alterations to existing 7-story office building to convert to a data center. Work to include new equipment with associated MEP upgrades. Phase 1 demolition only work permitted under 101083036. Phase 2 infrastructure work permitted under 101081181. Ia construction; b-business. Consultant reviewer: v3 companies of il

Permit timeline

  1. AppliedJun 17, 202691 days in review
  2. IssuedSep 16, 20264w ago
  3. StatusActiveWork in progress

Details

Project type
Renovation / alteration
Work class
Not reported
Sector
Not reported
Permit type
Renovation / alteration
City
Chicago, IL
ZIP code
60605
Status
Active
Permit no.
101084518

All permits in this project 5

New build 400 S La Salle StTemporary construction hoist permit for tornburgs fc7000 single car tower with 7,000 lbs. Car capacity 3mo ago MAIN PERMIT Remodel 400 S La Salle StPhase 3 of 3: interior alterations to existing 7-story office building to convert to a data center. Work to include new equipment with associated MEP upgrades. Phase 1 demolition only work permitted under 101083036. Phase 2 infrastructure work permitted under 101081181. Ia construction; b-business. Consultant reviewer: v3 companies of il 4w ago THIS PERMIT Remodel 400 S La Salle StPhase 2 of 3: infrastructure upgrades. Convert 7 story office building to a data center. Reinforcement of existing floors. Architectural plans provided for reference. Electrical work limited to electrical distribution from Comed vault to upper floors. Mechanical, plumbing and fire protection work to be permitted under phase 3. Equipment to be permitted under phase 3. Phase 1 demolition only work permitted under 101083036. Ia construction; b-business consultant reviewer: v3 companies of il 3mo ago Remodel 400 S La Salle StPhase 1 of 3: demolition of non load bearing partitions on basement, 1st through 7th floors of existing office building to also include demolition work on the mechanical penthouse. 1a construction. B-business consultant reviewer: v3 companies 3mo ago Remodel 400 S La Salle StInterior alterations to existing lower level Comed vault room. Work to include selective demolition of non-load bearing partitions, replacement of doors, installation of new curbs, new ventilation, and new lighting systems. No change to occupancy or building area. Ia construction; b-business. Consultant review: v3 companies of il 5mo ago