Major Mechanical Systems Work at 1250 First Avenue, Manhattan
1250 FIRST AVENUE, MANHATTAN, 10065 · Upper East Side-Lenox Hill-Roosevelt Island
What was permitted
For residents on the Upper East Side, this permit provides a clear picture of the substantial investment required for large-scale mechanical system upgrades. The work involves significant mechanical system improvements across multiple floors of a building.
This project, issued on June 22, 2026, has a substantial estimated cost of $850,000. JGN CONSTRUCTION CORP (GC) is the contractor overseeing this extensive mechanical work.
A major mechanical systems upgrade on the Upper East Side had an estimated project cost of $850,000.
What it cost
Issued
June 22, 2026
Expires
July 27, 2026
License
General Contractor
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Filed by JGN CONSTRUCTION CORP · 11 permits across 1 neighborhood
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 | 883001200 |
| Work Permit # | M01066514-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | Mechanical work on the 12th thru 14th floors. No change in occupancy, use or egress. |
| Floor / Unit | Floor Number(s) 12 through 14 |
| Estimated Cost | $850,000 |
| Approved | February 28, 2025 |
| Issued | June 22, 2026 |
| Expires | July 27, 2026 |
| BBL | — |
| BIN | — |
Property Owner
PR
L Ryan Kiefer