What was permitted
Residents and property owners near 1 Madison Avenue can observe a mechanical systems project involving modifications to the existing HVAC system. This work focuses on minor low-pressure ductwork adjustments as detailed in the filed plans.
The permit for this HVAC work was issued on May 13, 2026, with an estimated project cost of $119,996.8. JT MAGEN & COMPANY INC is listed as the general contractor for this mechanical upgrade.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 347366287 |
|---|---|
| Work permit # | M01362907-I1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | Minor low pressure ductwork modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy. |
| Floor / unit | Floor Number(s) 20 through 20 |
| Estimated cost | $119,997 |
| Approved | April 24, 2026 |
| Issued | May 13, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property owner
Sl Green Realty CORP
Gianna Pilalis
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