Building Enlargement at 333 21 Street, Brooklyn
333 21 STREET, BROOKLYN, 11215 · Sunset Park (West)
Estimated Project Cost
$0
General Construction
Issued
June 5, 2026
Expires
December 31, 2026
License
General Contractor
About This Project
Homeowners in the Sunset Park (West) neighborhood may observe significant construction activity at 333 21 Street. This project involves a vertical and horizontal enlargement of an existing three-story building, indicating a substantial expansion.
This general construction permit was issued on June 5, 2026, with a considerable estimated project cost of $400,000. INTERBORO PROPERTY MGMT is the general contractor responsible for this enlargement.
What This Means For You
A major building enlargement project costing $400,000 was permitted in Sunset Park (West), suggesting a significant investment in property expansion.
The Business That Did This Work
INTERBORO PROPERTY MGMT
General Contractor · License #028846
1850 83RD STREET
16 permits filed · 2 neighborhoods
Permit Details
| Tracking Number | 425217738 |
| Work Permit # | B00887998-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | vertical and horizontal enlargement of existing 3 Story. |
| Floor / Unit | Cellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Penthouse 1 |
| Estimated Cost | $400,000 |
| Approved | October 12, 2023 |
| Issued | June 5, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
Property Owner
INTERBORO PROPERTY MANAGEMENT CORP.
ADAM FRIEDMAN
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