What was permitted
For those curious about construction costs in Midtown South-Flatiron-Union Square, a recent permit was issued for work at 350 Fifth Avenue. This project involves replacing an existing louver within a window frame on the 81st floor.
The permit was issued on October 5, 2026, with an estimated project cost of $15,000. ADVENT INDUSTRIAL CORP is the contractor for this general construction task.
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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 | 885382237 |
|---|---|
| Work permit # | M01244285-I1-GC |
| Job filing number | — |
| Work type | General Construction |
| Status | Permit Issued |
| Job description | Replacement of existing louver on the 81st floor in an existing window frame. No change to egress use or occupancy |
| Floor / unit | Floor Number(s) 81 through 81 |
| Estimated cost | $15,000 |
| Approved | January 26, 2026 |
| Issued | October 5, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property owner
Empire State Building
Richard Hauser
Related searches
general constructionMidtown South-Flatiron-Union SquareManhattanNew York Citylouver replacement$10k-$20k