333 21 STREET, BROOKLYN, 11215 · Sunset Park (West)
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.
A major building enlargement project costing $400,000 was permitted in Sunset Park (West), suggesting a significant investment in property expansion.
Issued
June 5, 2026
Expires
December 31, 2026
License
General Contractor
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Filed by INTERBORO PROPERTY MGMT · 16 permits across 2 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| 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 |
INTERBORO PROPERTY MANAGEMENT CORP.
ADAM FRIEDMAN
| Expires |
| December 31, 2026 |
| BBL | — |
| BIN | — |
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