449 11 STREET, Brooklyn, 11215 · Park Slope
Homeowners in Brooklyn's Park Slope neighborhood can research the costs associated with major residential alterations. This permit details a general construction project to convert an existing three-family dwelling into a one-family home.
The estimated cost for this general construction project is $363,600, with the permit issued on July 28, 2026. SYROS CONSTRUCTION CORP (GC) is listed as the contractor.
A large-scale general construction project in Park Slope, Brooklyn, to convert a three-family dwelling to a one-family home, had an estimated cost of $363,600.
Issued
July 28, 2026
Expires
May 1, 2027
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 | 456904025 |
| 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 | July 28, 2026 |
Not Applicable
Mathew Miller
| Expires | May 1, 2027 |
| BBL | — |
| BIN | — |
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