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.
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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 | 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
Related searches
interior demolitionmechanical systemsUpper East Side-Carnegie HillNew York Citydemolitionpermit issued$71,184commercial