449 11 STREET, BROOKLYN, 11215 · Park Slope
This permit is for a substantial general construction project in Brooklyn aimed at converting an existing three-family dwelling into a single-family home. This type of conversion often involves significant interior and potentially exterior modifications.
The permit was issued on April 16, 2026, with a considerable estimated cost of $363,600. SYROS CONSTRUCTION CORP is the General Contractor overseeing this large-scale residential conversion.
Converting a multi-family home to a single-family residence in Park Slope is a major undertaking, with this project costing over $360,000.
Issued
April 16, 2026
Expires
May 1, 2026
License
General Contractor
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Filed by SYROS CONSTRUCTION CORP · 10 permits across 3 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 798868190 |
| Work Permit # | B01331163-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | GENERAL CONSTRUCTION TO CONVERT EXISTING THREE-FAMILY DWELLING TO A ONE-FAMILY DWELLING. |
| Floor / Unit | Cellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof |
| Estimated Cost | $363,600 |
| Approved | April 8, 2026 |
| Issued | April 16, 2026 |
Not Applicable
Mathew Miller
| Expires | May 1, 2026 |
| BBL | — |
| BIN | — |
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