Preview 675,283 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-21.

Chicago · permit 101059896

400 S JEFFERSON ST

DDS 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 4 STORY BUILDING ON LEVELS 1-4, WITH FINISH WORK AT THE TOWER (LEVELS 5-8). INCLUDES MINOR DEMOLITION TO CREATE AN OPENING IN EXTERIOR WALL AND MINOR ALTERATIONS TO PORTIONS OF THE ANNEX BUILDING TO THE WEST. SCOPE TO INCLUDE NEW PARTITIONS, CEILINGS, AND ASSOCIATED MEP A SMALL CONNECTING LINK ADDITION BETWEEN THE MAIN BUILDING AND THE ANNEX. TO A UNIVERSITY. NO CHANGE TO EXISTING USE. NO CHANGE TO EXISTING SITE. (OCCUPANCY B / CONSTRUCTION TYPE 1B) CONSULTANT REVIEWER: V3 COMPANIES OF ILLINOIS

Permit

Permit type
PERMIT - RENOVATION/ALTERATION
Class
Unknown
Trade
Electrical
Nature of work
Alteration
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2024-11-18
Issued
2025-02-11
Time to issue
85 days

Chicago details

Review type
DIRECT DEVELOPER SERVICES
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
28

Data as of 2026-09-20.

Other permits issued in Chicago, February 2025