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General ConstructionBrooklynPermit issued

General Construction to Convert Dwelling at 449 11 Street, Brooklyn

449 11 STREET, Brooklyn, 11215 · Park Slope

Winston

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Reported project cost

$363,600

As declared on the permit filing. General Construction.

Issued
April 16, 2026
Expires
May 1, 2026
License
General Contractor

What was permitted

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.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number798868190
Work permit #B01331163-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionGENERAL CONSTRUCTION TO CONVERT EXISTING THREE-FAMILY DWELLING TO A ONE-FAMILY DWELLING.
Floor / unitCellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof
Estimated cost$363,600
ApprovedApril 8, 2026
IssuedApril 16, 2026
ExpiresMay 1, 2026
BBL—
BIN—

Property owner

Not Applicable

Mathew Miller

Related searches

general constructionbrooklynpark slopedwelling conversionresidential renovationmulti-family to single-family$363,600