What was permitted
Homeowners and property owners in the Chelsea-Hudson Yards neighborhood of Manhattan can observe foundation work at 142 West 21 Street. This permit is associated with a building conversion and vertical enlargement project.
The estimated cost for this foundation work is $1,000. The permit was issued on September 3, 2026, with TITANIUM CONSTRUCTION SER listed as the general contractor for this phase of the building's expansion.
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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 | 542590938 |
|---|---|
| Work permit # | M00766992-S4-FO |
| Job filing number | — |
| Work type | Foundation |
| Status | Permit Issued |
| Job description | Foundation work associated with conversion and vertical enlargement of existing building. |
| Floor / unit | Cellar |
| Estimated cost | $1,000 |
| Approved | May 10, 2023 |
| Issued | September 3, 2026 |
| Expires | November 8, 2026 |
| BBL | — |
| BIN | — |
Property owner
Built By Grid LLC
Yiannes Einhorn
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