What was permitted
For those in the Upper East Side-Carnegie Hill area, this permit provides cost information for specialized construction methods. It specifically covers the use of a knuckleboom for soil retention and foundation construction, a critical phase in many building projects.
This project, with an estimated cost of $4,800, was permitted on May 22, 2026. ECD NY INC (GC) is the contractor for this specialized work, which is filed in conjunction with another building permit.
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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 | 257418212 |
|---|---|
| Work permit # | M01402719-I1-PMM |
| Job filing number | — |
| Work type | Protection and Mechanical Methods |
| Status | Permit Issued |
| Job description | Use of Knuckleboom for SOE and foundation construction. This application is filed in conjunction with NB M01139026-I1 |
| Floor / unit | Sidewalk |
| Estimated cost | $4,800 |
| Approved | May 22, 2026 |
| Issued | May 22, 2026 |
| Expires | July 1, 2026 |
| BBL | — |
| BIN | — |
Property owner
Extell Development
David Rothstein
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