3900 N LAKE SHORE DR, Lake View
Extensive mechanical work is underway at 3900 N Lake Shore Dr in Chicago's Lake View neighborhood, involving ductwork and hydronic piping extension and reconfiguration. This project impacts two systems and includes the installation and modification of two make-up air units and two heat pump systems.
This permit was issued on August 10, 2026, and is active. The reported project cost is $4,962,400, with MECHANICAL INCORPORATED DBA HELM MECHANICAL as the contractor. This significant investment points to a large-scale upgrade or renovation of the building's HVAC and related systems.
For residents and property owners in Lake View, this permit signifies a major mechanical system overhaul at 3900 N Lake Shore Dr, with a substantial reported project cost of nearly $5 million.
Issued
August 10, 2026
Expires
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License
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Filed by MECHANICAL INCORPORATED DBA HELM MECHANICAL · 1 permits across 1 area
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | B200476074 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Mechanical Work |
| Status | ACTIVE |
| Job Description | DUCTWORK EXTENSION/RECONFIGURATION, HYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 MAKE UP AIR UNIT(VENTROL / NORTEK AIR SOLUTIONS - CUSTOM MODEL: 18-85-145T-34X32X26-B2; BASEMENT (MAU-1A); HOT WATER & ELECTRIC POWERED) 1 MAKE UP AIR UNIT(VENTROL / NORTEK AIR SOLUTIONS - CUSTOM MODEL: 18-85-145T-34X32X26-B2 (MAU-1B); HOT WATER & ELECTRIC POWERED) 2 OTHER HEAT PUMP(LG - ZRUM336DTE6 (ZRUM144DTE6 + ZRUM192DTE6); (CU-1 AND CU-2); ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), 2 INTERIOR COMMON AREAS, BASEMENT AND ROOF. |
| Floor / Unit | — |
| Estimated Cost | $4,962,400 |
FIRST SERVICE RESIDENTIAL
| Approved |
| August 6, 2026 |
| Issued | August 10, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |