Preview 1,117,532 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 100938175

5457 S BLACKSTONE AVE

SELF-CERTIFICATION PERMIT. EXISTING 18 DWELLING UNIT BUILDING, MULTI-FAMILY R-2 OCCUPANCY, TYPE 3A CONSTRUCTION. INTERIOR REMODEL OF EXISTING BASEMENT DWELLING UNIT. NEW MECHANICAL, ELECTRICAL, AND PLUMBING SYSTEMS. TOTAL AREA OF WORK 1638 SF.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2021-09-29
Issued
2021-09-29
Time to issue
same day

Value and contractor

Declared value
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Total fee
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Contractor
SILLIMAN GROUP, LLC.

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
41

Data as of 2026-09-20.

Other permits issued in Chicago, September 2021