General ConstructionBrooklynPermit Issued

Residential Renovation at 409 Bergen Street, Brooklyn

409 BERGEN STREET, BROOKLYN, 11217 · Park Slope

1

What was permitted

A significant renovation project is underway at 409 Bergen Street in the Park Slope neighborhood of Brooklyn, converting a three-family residence into a single-family home. This involves comprehensive structural and system updates.

This permit was issued on June 15, 2026, with an estimated project cost of $480,000. GOWANUS CUSTOM INS LLC is the general contractor for this extensive renovation.

Homeowners in Park Slope undertaking major residential renovations, like converting a multi-family to single-family, should budget around $480,000.

2

What it cost

$480,000reported on this filing

Issued

June 15, 2026

Expires

April 7, 2027

License

General Contractor

3

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Filed by GOWANUS CUSTOM INS LLC · 7 permits across 4 neighborhoods

View the official permit record

Tracking number, work description, cost, and dates

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Tracking Number536521275
Work Permit #B01331064-I1-GC
Job Filing Number
Work TypeGeneral Construction
StatusPermit Issued
Job DescriptionRENOVATION FROM A 3 FAMILY TO A 1 FAMILY RESIDENCE. ALL ST, FO, PLUMBING. MH AND SP WILL BE FILED SEPARATELY.
Floor / UnitCellar, Basement, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof
Estimated Cost$480,000
ApprovedMay 6, 2026
IssuedJune 15, 2026
ExpiresApril 7, 2027
BBL
BIN

Property Owner

Not Applicable

Carletta Higginson

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general constructionresidential renovationBrooklynPark Slopesingle-family homebuilding permitconstruction cost$480,000