Preview 675,283 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 100851574

1637 W CHICAGO AVE

MECHANICAL REVISION TO PREVIOUSLY APPROVED PERMIT #100784916. CURRENT USE: E/BUSINESS USE (OFFICE), PROPOSED USE: E/BUSINESS USE (OFFICE).

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-11-22
Issued
2019-11-22
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
24

Data as of 2026-09-20.

Other permits issued in Chicago, November 2019