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General ConstructionBrooklynPermit issued

3-Family to 1-Family Conversion 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
July 28, 2026
Expires
May 1, 2027
License
General Contractor

What was permitted

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.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number456904025
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
IssuedJuly 28, 2026
ExpiresMay 1, 2027
BBL—
BIN—

Property owner

Not Applicable

Mathew Miller

Related searches

general constructionPark SlopeBrooklynNew York Citypermit issueddwelling conversion$350k-$400k