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General ConstructionBrooklynPermit issued

Building Conversion at 5914 23 Avenue, Brooklyn

5914 23 AVENUE, Brooklyn, 11204 · Mapleton-Midwood (West)

Winston

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Reported project cost

$158,120

As declared on the permit filing. General Construction.

Issued
June 24, 2026
Expires
April 17, 2027
License
General Contractor

What was permitted

A significant interior renovation project is underway at 5914 23 Avenue in Brooklyn's Mapleton-Midwood neighborhood, involving the conversion of a building. This work aims to increase the number of dwelling units from six to nine.

The permit for this substantial conversion was issued on June 24, 2026, with an estimated project cost of $158,120. NINE YARDS CONSTR CORP (GC) is the contractor managing this extensive renovation.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number123854745
Work permit #B00447175-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionINTERIOR RENOVATION TO CONVERT EXISTING 6 DWELLING UNIT BUILDING TO 9 UNIT BUILDING
Floor / unitFloor Number(s) 001 through 003
Estimated cost$158,120
ApprovedJuly 14, 2021
IssuedJune 24, 2026
ExpiresApril 17, 2027
BBL—
BIN—

Property owner

Martin Katz

Martin Katz

Related searches

building conversiondwelling unitsMapleton-MidwoodBrooklynNew York Citygeneral construction$158,120 project