Preview 947,032 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 100942433

430 N MICHIGAN AVE

INTERIOR ALTERATIONS TO 11TH FLOOR, 13,475 SF IN FULLY SPRINKLED TYPE 1A CONSTRUCTION HI-RISE BUILDING, BUSINESS OCCUPANCY, NO CHANGE IN USE. STRUCTURAL SLAB INFILL AT FLOOR OPENING WHERE LIFT REMOVED. STRUCTURAL PEER REVIEW INCLUDED.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2021-11-05
Issued
2021-11-16
Time to issue
11 days

Value and contractor

Declared value
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Total fee
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Contractor
GNP & ASSOCIATES, INC

Chicago details

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

Data as of 2026-09-20.

Other permits issued in Chicago, November 2021