HVAC System Modification at 100 East 77 Street, Manhattan
100 EAST 77 STREET, MANHATTAN, 10075 · Upper East Side-Carnegie Hill
What was permitted
This permit is for modifying the HVAC system at 100 East 77 Street in the Upper East Side-Carnegie Hill neighborhood of Manhattan, as part of the Northwell Lenox Hill Biplane Project. The permit was issued on March 24, 2026.
The contractor for this project is AMERICON CONSTRUCTION INC, and the total cost is $533,425. The permit status is 'Permit Issued'.
This permit allows for the modification of the HVAC system, ensuring the building's mechanical systems are up to code.
What it cost
Issued
March 24, 2026
Expires
May 1, 2026
License
General Contractor
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Filed by AMERICON CONSTRUCTION INC · 23 permits across 10 neighborhoods
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 | 924480552 |
| Work Permit # | M01172986-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Northwell Lenox Hill Biplane Project: modify HVAC system to conform with new layouts as per plans filed herewith. |
| Floor / Unit | Floor Number(s) 5 through 5, Roof |
| Estimated Cost | $533,425 |
| Approved | April 21, 2025 |
| Issued | March 24, 2026 |
| Expires | May 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
NORTHWELL HEALTH LENOX HILL HOSPITA
JONATHAN COGSWELL