What was permitted
This permit covers modifications to the plumbing and sprinkler systems at 100 East 77th Street in Manhattan, designed to conform with a new interior layout. This type of work is common in buildings undergoing renovations and can provide insight into sprinkler system upgrade costs.
Issued on June 17, 2026, the estimated project cost for this sprinkler work is $16,280. NYC FIRE SPRINKLER CORP is the contractor for this project.
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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 | 381694283 |
|---|---|
| Work permit # | M01082893-I1-EW-SP |
| Job filing number | — |
| Work type | Plumbing |
| Status | Permit Issued |
| Job description | Northwell Lenox Hill: Wollman Lachman Pass Through Project: modify Plumbing and Sprinkler systems to conform with new interior layout as per plans filed herewith. |
| Floor / unit | Floor Number(s) 4 through 4 |
| Estimated cost | $16,280 |
| Approved | August 13, 2025 |
| Issued | June 17, 2026 |
| Expires | November 5, 2026 |
| BBL | — |
| BIN | — |
Property owner
Northwell Health Lenox Hill Hospita
Jonathan Cogswell
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