Dwelling Conversion and Penthouse Addition at 361 Union Street, Brooklyn
361 UNION STREET, Brooklyn, 11231 · Carroll Gardens-Cobble Hill-Gowanus-Red Hook
What was permitted
In the Carroll Gardens-Cobble Hill-Gowanus-Red Hook area of Brooklyn, a significant renovation is planned for 361 Union Street. This project involves altering an existing 3-family dwelling into a 2-family home, including the addition of a new penthouse.
The permit was issued on June 30, 2026, with an estimated project cost of $360,000. ACCRETE CONSTRUCTION GROU is the general contractor overseeing this conversion and addition.
A $360,000 project is permitted at 361 Union Street in Brooklyn to convert a 3-family home into a 2-family dwelling with a new penthouse, impacting the neighborhood's housing stock.
What it cost
Issued
June 30, 2026
Expires
February 24, 2027
License
General Contractor
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Filed by ACCRETE CONSTRUCTION GROU · 8 permits across 4 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 750759087 |
| Work Permit # | B01183620-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | ALTERATION TO CONVERT EXISTING 3-FAMILY DWELLING INTO 2-FAMILY DWELLING INCLUDING NEW PENTHOUSE. |
| Floor / Unit | Cellar, Basement, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Penthouse 1 |
| Estimated Cost | $360,000 |
| Approved | September 10, 2025 |
| Issued | June 30, 2026 |
| Expires | February 24, 2027 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
Ruben Damaghi