Preview 1,066,918 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 B100869584

645 N MICHIGAN AVE

MONTHLY MAINTENANCE PERMIT FOR THE PERIOD OF APRIL1-JUNE 30 2020 FOR WORK COMPLETED BY AT&T AT 645 N MICHIGAN ANY QUESTIONS PLEASE CALL TIM MCGUIRE(SUPERVISING ELECTRICIAN AT&T) 312-220-2408

Permit

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
Electrical
Nature of work
Repair
Work
Monthly Maintenance Permit
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2020-04-02
Issued
2020-04-15
Time to issue
13 days

Value and contractor

Declared value
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Total fee
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Contractor
ILLINOIS BELL / AT&T

Chicago details

Review type
EXPRESS PERMIT PROGRAM
Milestone
COMPLETE
Community area (code)
8

Data as of 2026-09-21.

Other permits issued in Chicago, April 2020