What was permitted
This permit details structural work for a horizontal and vertical extension to create a 3-story building with a penthouse and basement at 333 21st Street in Sunset Park (West). The project is in conjunction with application number B00887998-I1.
The permit was issued on April 15, 2026, with an estimated cost of $49,560. The general contractor for this project is INTERBORO PROPERTY MGMT.
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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 | 584646589 |
|---|---|
| Work permit # | B00887998-S1-ST |
| Job filing number | — |
| Work type | Structural |
| Status | Permit Issued |
| Job description | PROPOSED STRUCTURE WORK TYPE FOR HORIZONTAL & VERTICAL EXTENSION TO ESTABLISH A 3-STORY BUILDING W/ PENHOUSE & BASEMENT, IN CONJUNCTION WITH ALT-CO APPLICATION NUMBER B00887998-I1 |
| Floor / unit | Floor Number(s)-1-SO-8549-B00887998-I1, Floor Number(s)-2-SO-8256-B00887998-I1, Floor Number(s)-3-SO-6971-B00887998-I1, Penthouse-1-SO-4818-B00887998-I1 |
| Estimated cost | $49,560 |
| Approved | January 23, 2024 |
| Issued | April 15, 2026 |
| Expires | May 28, 2026 |
| BBL | — |
| BIN | — |
Property owner
Interboro Property Management CORP.
Adam Friedman
Related searches
structural workSunset ParkBrooklynbuilding extensionpermit$49,560construction