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General ConstructionBrooklynPermit issued

General Construction at 450 Bergen Street, Brooklyn

450 BERGEN STREET, Brooklyn, 11217 · Park Slope

Winston

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Reported project cost

$419,250

As declared on the permit filing. General Construction.

Issued
April 10, 2026
Expires
February 23, 2027
License
General Contractor

What was permitted

A significant general construction project is underway at 450 Bergen Street in Brooklyn's Park Slope neighborhood. The scope of work includes refiling a previous job to show the conversion of the first floor from residential to commercial use, and establishing one apartment on both the second and third floors.

This permit was issued on April 10, 2026, with an estimated project cost of $419,250. The general contractor for this conversion is ADK MAINTENANCE INC.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number691429205
Work permit #B01053187-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionJOB FILED TO REFILE THE BIS JOB#321492149, SHOW THE CONVERSION OF THE BACK OF THE FIRST FLOOR FROM RESIDENTIAL TO COMMERCIAL, 2ND FLOOR 1 APARTMENT, 3RD FLOOR 1 APARTMENT AS PER PLANS FILED HEREWITH.
Floor / unitCellar, Cellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Roof
Estimated cost$419,250
ApprovedJanuary 22, 2025
IssuedApril 10, 2026
ExpiresFebruary 23, 2027
BBL—
BIN—

Property owner

Mickwilli

Jonathan Williams

Related searches

general constructionPark SlopeBrooklyncommercial conversionresidential conversionpermit issued$419,250 cost