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 B200456396

777 N MICHIGAN AVE

HYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 2 CHILLER(CARRIER 19MV-21N21M249N35. MECHANICAL ROOM) 1 EXHAUST FAN(COOK DX16Q2, REPLACING AND NO NEW OPENING IN MECH ROOM). ELECTRICAL WORK UNDER THIS PERMIT = YES .LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), 4 INTERIOR COMMON AREAS, PENTHOUSE MECHANICAL ROOM..

Permit

Permit type
PERMIT – EXPRESS PERMIT PROGRAM
Class
Unknown
Trade
Electrical
Nature of work
Other
Work
Mechanical Work
Status
ACTIVE

Location

City
Chicago
State
IL

Dates

Applied
2026-01-28
Issued
2026-02-04
Time to issue
7 days

Value and contractor

Declared value
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Total fee
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Contractor
ENGER-VAVRA, INC.

Chicago details

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

Data as of 2026-09-21.

Other permits issued in Chicago, February 2026