Mechanical Systems Work at 821 Madison Avenue
821 MADISON AVENUE, MANHATTAN, 10065 · Upper East Side-Carnegie Hill
What was permitted
Interior demolition is being performed from the cellar through the 5th floor at 821 Madison Avenue in the Upper East Side-Carnegie Hill neighborhood. This project focuses on interior demolition, with no structural demolition involved.
The permit for this mechanical systems work has been issued, with a cost of $71,184. The permit was issued on April 20, 2026, and the contractor is JT MAGEN & COMPANY INC.
Homeowners and property owners in the Upper East Side-Carnegie Hill area can use this $71,184 project as a reference point for interior demolition costs.
What it cost
Issued
April 20, 2026
Expires
September 30, 2026
License
General Contractor
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Filed by JT MAGEN & COMPANY INC · 109 permits across 8 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 | 978883246 |
| Work Permit # | M01378240-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | interior demolition of the cellar through 5th floor. No structural demolition |
| Floor / Unit | Cellar, Floor Number(s) 001 through 005 |
| Estimated Cost | $71,184 |
| Approved | April 13, 2026 |
| Issued | April 20, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
Jenny Zhan