General ConstructionBrooklynPermit Issued

General Construction at 450 Bergen Street, Brooklyn

450 BERGEN STREET, BROOKLYN, 11217 · Park Slope

Estimated Project Cost

$0

General Construction

Issued

April 10, 2026

Expires

February 23, 2027

License

General Contractor

About This Project

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.

What This Means For You

Park Slope property owners can note the $419,250 general construction project at 450 Bergen Street, which includes a commercial conversion and new apartment creation.

The Business That Did This Work

ADK MAINTENANCE INC

General Contractor · License #613795

8697 21ST AVENUE

2 permits filed · 1 neighborhoods

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Permit Details

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

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general constructionPark SlopeBrooklyncommercial conversionresidential conversionpermit issued$419,250 cost

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