Preview 887,040 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 100902127

3146 W MADISON ST

HVAC REPLACEMENT OF (1) 3 TON RTU, (1) 7 1/2 TON RTU AND (2) 12 1/2 TON RTUS, ALL FOUR UNITS ARE LIKE FOR LIKE REPLACEMENTS, YORK ROOFTOP UNITS.

Permit

Permit type
PERMIT - EASY PERMIT PROCESS
Class
Unknown
Trade
Mechanical
Nature of work
Other

Location

City
Chicago
State
IL

Dates

Applied
2020-12-07
Issued
2020-12-07
Time to issue
same day

Chicago details

Review type
EASY PERMIT
Community area (code)
27

Data as of 2026-09-20.

Other permits issued in Chicago, December 2020