What was permitted
This permit covers interior renovations and mechanical system upgrades within a building located on Madison Avenue in Manhattan's Upper East Side-Carnegie Hill neighborhood. The work, as detailed in the filed plans, does not alter the building's use, occupancy, or egress.
The permit for this project was issued on October 21, 2026, with an estimated project cost of $165,000. Sentinel Builders, LLC is listed as the General Contractor for this undertaking.
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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 | 311363059 |
|---|---|
| Work permit # | M01385453-S3-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | FILING FOR INTERIOR RENOVATIONS & MECHANICAL WORK AS PER PLANS WITH NO CHANGE TO THE USE, OCCUPANCY, OR EGRESS OF THE BUILDING |
| Floor / unit | Floor Number(s) 016 through 016 |
| Estimated cost | $165,000 |
| Approved | April 27, 2026 |
| Issued | October 21, 2026 |
| Expires | July 23, 2027 |
| BBL | — |
| BIN | — |
Property owner
NG 645 Madison Ave LLC
Keith Colton
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