What was permitted
Homeowners in the Upper East Side-Yorkville neighborhood can see the scope of mechanical system renovations for existing apartment units. This project involves significant upgrades to the internal systems of units 28C through 39C, as detailed in the filed plans.
This permit was issued on July 29, 2026, with an estimated project cost of $130,000. Keystone Builders Group is listed as the general contractor for this extensive mechanical work.
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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 | 970857495 |
|---|---|
| Work permit # | M01221784-S1-MS |
| Job filing number | — |
| Work type | Mechanical Systems |
| Status | Permit Issued |
| Job description | MECHANICAL WORK FOR THE RENOVATION TO EXISTING UNITS 28C, 29C, 30C, 31C, 32C, 33C, 34C, 35C, 36C, 37C, 38C, 39C AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. |
| Floor / unit | Floor Number(s) 28 through 39 |
| Estimated cost | $130,000 |
| Approved | May 21, 2025 |
| Issued | July 29, 2026 |
| Expires | November 18, 2026 |
| BBL | — |
| BIN | — |
Property owner
400 East 84th Street Associates, L.
Andrew Orchulli
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