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 101067922

31 S MASON AVE

SELF-CERT 2019 CBRC: FIRE RESTORATION W/ INTERIOR ALTERATION & CODE UPGRADES FOR EXISTING 2 DU, IN 2-STORY W/BASEMENT BUILDING NO CHANGE IN DWELLING UNIT COUNT (OCCUPANCY GROUP R-5; TYPE III-A CONSTRUCTION)

Permit

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

Location

City
Chicago
State
IL

Dates

Applied
2025-04-21
Issued
2025-08-29
Time to issue
130 days

Chicago details

Review type
SELF CERT
Milestone
INSPECTIONS (CERTIFICATE OF OCCUPANCY REQUIRED)
Community area (code)
25

Data as of 2026-09-21.

Other permits issued in Chicago, August 2025