Preview 795,237 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 101072709

400 N ABERDEEN ST

SC 2019 CBRC - INTERIOR ALTERATIONS TO EXISTING NON-HAZARDOUS LABORATORY SPACE OF EXISTING 5TH FLOOR OFFICE SUITES 525 & 550 TO INCLUDE SERVER ROOM LESS THAN 150 SQ FT, NON-LOAD BEARING PARTITIONS, DOORS, CEILING, LIGHTING, INTERIOR FINISHES, AND ASSOCIATED MEP WORK AS PER PLANS (OCCUPANCY GROUP: B / TYPE 1A CONSTRUCTION)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2025-08-13
Issued
2025-09-02
Time to issue
20 days

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
24

Data as of 2026-09-21.

Other permits issued in Chicago, September 2025