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 101070952

900 N MICHIGAN AVE

SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS IN EXISTING OFFICE BUILDING ON THE 11TH, 12TH, & 13TH FLOORS TO EXISTING SINGLE OFFICE TENANT, 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
2025-07-08
Issued
2025-07-11
Time to issue
3 days

Value and contractor

Declared value
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Total fee
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Contractor
BIG CONSTRUCTION LLC

Chicago details

Review type
SELF CERT
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
8

Data as of 2026-09-21.

Other permits issued in Chicago, July 2025