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 101062837

400 N ABERDEEN ST

SELF-CERT 2019 CBC- FIRST TIME TENANT BUILDOUT ON THE 10TH FLOOR (FULL FLOOR), PARTIAL FLOOR LEVEL'S 8 & 9 FOR NON-HAZARDOUS LAB SPACE WITH SERVER ROOM SMALLER THAN 150 SQ.FT., TO INCLUDE NON-LOAD BEARING PARTITIONS, NEW COMMUNICATING STAIR AT FLOOR 9 AND 10, MECHANICAL, ELECTRICAL, PLUMBING WORK AS PER PLANS. (STRUCTURAL PEER REVIEW) (ACAR) (NO CHANGE IN USE) (CONSTRUCTION TYPE: 1A / OCCUPANCY GROUP: B)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2024-12-20
Issued
2025-01-24
Time to issue
35 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, January 2025