HVAC System Modification at 599 Lexington Avenue, Manhattan
599 LEXINGTON AVENUE, MANHATTAN, 10022 · East Midtown-Turtle Bay
What was permitted
For those in the East Midtown-Turtle Bay area, a significant mechanical systems project is underway at 599 Lexington Avenue. This involves modifications to the existing HVAC system within the building.
The permit for this HVAC work was issued on April 13, 2026, with a substantial estimated cost of $138,720. STRUCTURE TONE, LLC is the general contractor responsible for this system upgrade, which does not alter the building's use or occupancy.
A $138,720 modification to the HVAC system at 599 Lexington Avenue, Manhattan, was permitted on April 13, 2026.
What it cost
Issued
April 13, 2026
Expires
December 31, 2026
License
General Contractor
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Filed by STRUCTURE TONE, LLC · 221 permits across 16 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 | 384949284 |
| Work Permit # | M01367988-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application. |
| Floor / Unit | Floor Number(s) 17 through 17 |
| Estimated Cost | $138,720 |
| Approved | April 10, 2026 |
| Issued | April 13, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
BOSTON PROPERTIES
Patrick Cooper