Office to Residential Conversion at 79 W Monroe St
79 W MONROE ST, Loop
What was permitted
A significant renovation is underway in the Loop to convert multiple floors of an existing mixed-use building from office space to residential units. This project involves substantial alterations to room layouts, MEP systems, and the replacement of a diesel generator with a natural gas one.
Issued on May 14, 2026, this active permit has an estimated project cost of $950,000. Leopardo Construction Inc. is the contractor for this extensive conversion.
Residents in the Loop may see a large-scale conversion of office space to residential units, with this project estimated at $950,000.
What it cost
Issued
May 14, 2026
Expires
—
License
—
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Filed by LEOPARDO CONSTRUCTION INC · 3 permits across 3 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 | 101077355 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | — |
| Status | ACTIVE |
| Job Description | DDS 2019 CBRC: REVISION TO PERMIT 101062067 FOR ALTERATION AND CHANGE OF USE ON FLOORS 7-14 OF EXISTING MIXED USE BUILDING FROM OFFICE TO RESIDENTIAL. REVISIONS INCLUDE ALTERATIONS TO ROOM AND MEP LAYOUT, REPLACING DIESEL EMERGENCY GENERATOR WITH NATURAL GAS EMERGENCY GENERATOR AND REMOVAL OF DIESEL GAS LINE AND SHAFT ASSEMBLY. RELOCATION OF BUILDING'S STEAM LOOP. REPLACEMENT OF SELECT LEVEL 7 FAN ROOM WINDOWS WITH METAL LOUVERED PANELS. (OCUPANCY R-2, E-1, M, A-3; CONSTRUCTION TYPE IA) CONSULTANT REVIEWER: V3 COMPANIES OF IL |
| Floor / Unit | — |
| Estimated Cost | $950,000 |
| Approved | December 16, 2025 |
| Issued | May 14, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property Owner
BROWN DERBY LLC