Fire Alarm System Update at 645 N Michigan Ave, Near North Side
645 N MICHIGAN AVE, Near North Side
What was permitted
In the Near North Side, an existing fire alarm system at 645 N Michigan Ave is undergoing modifications. This work is part of a larger building permit and affects non-residential units in a high-rise.
This permit was issued on June 29, 2026, and is associated with building permit ID 101079902. CONTECH - MSI CO. is the contractor responsible for this fire alarm system work.
A fire alarm system modification is occurring at 645 N Michigan Ave, a high-rise in the Near North Side, impacting commercial spaces.
What it cost
Issued
June 29, 2026
Expires
—
License
—
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Filed by CONTECH - MSI CO. · 8 permits across 4 areas
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | B200473545 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Fire Alarm System |
| Status | ACTIVE |
| Job Description | FIRE ALARM: MODIFICATION OF EXISTING SYSTEM. ASSOCIATED BUILDING PERMIT:101079902. AFFECTS: 0 DWELLING UNITS; 1 NON-RESIDENTIAL UNITS. HIGH-RISE BUILDING: YES. VOICE COMMUNICATION: YES. SPECIAL LOCKING: YES. MONITORING TYPE: SUPERVISING STATION . SPECIFIC LOCATION: SUITE 543. |
| Floor / Unit | — |
| Estimated Cost | Not reported |
| Approved | June 25, 2026 |
| Issued | June 29, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property Owner
645 NORTH MICHIGAN LLC