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 100811121

3401 N HAMLIN AVE

WORK IS FOR RELOCATED HVAC SYSTEM OF FURNACE, DUCTWORK DISTRIBUTION, AND GAS PIPING IN ONE UNIT OF TWO STORY BUILDING WITH BASEMENT. CURRENT USE A-2/RESIDENTIAL, PROPOSED USE A-2/RESIDENTIAL.

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2019-04-09
Issued
2019-04-09
Time to issue
same day

Chicago details

Review type
SELF CERT
Milestone
COMPLETE
Community area (code)
21

Data as of 2026-09-20.

Other permits issued in Chicago, April 2019