What was permitted
This permit details the installation of a new staircase at a property on West 19th Street in Manhattan's Chelsea-Hudson Yards neighborhood. Homeowners undertaking similar structural additions can find this cost estimate valuable.
The project, with an estimated cost of $128,000, was permitted on June 11, 2026, under ID 336100988. BENCHMARK BUILDERS LLC (GC) is the general contractor responsible for this staircase installation.
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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 | 336100988 |
|---|---|
| Work permit # | M01313268-S5-ST |
| Job filing number | — |
| Work type | Structural |
| Status | Permit Issued |
| Job description | STAIRCASE INSTALLATION AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY. |
| Floor / unit | Floor Number(s) 6 through 7 |
| Estimated cost | $128,000 |
| Approved | May 19, 2026 |
| Issued | June 11, 2026 |
| Expires | September 30, 2026 |
| BBL | — |
| BIN | — |
Property owner
Kaufman Management Company, LLC
Brad Giambrone
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