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 101046511

400 N ABERDEEN ST

(SELF-CERT PROJECT / 2019 CBRC) INITIAL BUILDOUT OF FOUR (4) 5TH FLOOR OFFICE SPACES (SUITES 500, 525, 550 & 575) TO INCLUDE NON-HAZARDOUS LAB SPACE AS PER PLANS. (NO CHANGE IN USE) (CONSTRUCTION TYPE: 1A / OCCUPANCY CLASSIFICATION: B)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2024-04-17
Issued
2024-04-22
Time to issue
5 days

Chicago details

Review type
SELF CERT
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
24

Data as of 2026-09-20.

Other permits issued in Chicago, April 2024