325 21 STREET, BROOKLYN, 11215 · Sunset Park (West)
This significant general construction project in Sunset Park (West), Brooklyn, focused on the interior renovation and horizontal extension of an existing townhouse. The scope of work included converting the property from a two-family to a single-family dwelling.
Permitted on June 4, 2026, the estimated project cost for this extensive renovation is $415,569. INTERBORO PROPERTY MGMT acted as the General Contractor, and the project aims to obtain a new Certificate of Occupancy.
Expect townhouse renovations in Sunset Park (West) to be substantial, with this project costing an estimated $415,569 for a full conversion.
Issued
June 4, 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 | 234529197 |
| Work Permit # | B01046970-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | INTERIOR RENOVATION AND HORIZONTAL EXTENSION OF EXISTING TOWNHOUSE. CONVERT 2 FAMILIES DWELLING TO 1 FAMILY DWELLING. SCOPE OF WORKS AS SHOWN IN PLANS. OBTAIN NEW C OF O. |
| Floor / Unit | Cellar, Floor Number(s) 1, Floor Number(s) 2, Roof |
| Estimated Cost | $415,569 |
| Approved | July 21, 2025 |
| Issued |
INTERBORO PROPERTY MANAGEMENT CORP.
ADAM FRIEDMAN
| June 4, 2026 |
| Expires | December 31, 2026 |
| BBL | — |
| BIN | — |
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