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Mechanical SystemsBrooklynPermit issued

Mechanical Systems for Family Conversion at 4321 Avenue I, Brooklyn

4321 AVENUE I, Brooklyn, 11210 · Flatlands

Winston

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Reported project cost

$253,896

As declared on the permit filing. General Construction.

Issued
October 13, 2026
Expires
May 15, 2027
License
General Contractor

What was permitted

This permit details interior work for a proposed conversion of a property into a one-to-two family home in the Flatlands area of Brooklyn. The scope focuses on mechanical systems, with plumbing work to be filed separately.

Issued on October 13, 2026, the estimated project cost for these mechanical systems is substantial at $253,895.85. CUSTOMBUILT HOMES INC is the general contractor managing this project.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number736371386
Work permit #B08035334-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionPROPOSED ONE TO TWO FAMILY CONVERSION. INTERIOR WORK ONLY. EXISTING BULK TO REMAIN THE SAME. PLUMBING WORK TYPE TO BE FILED SEPARATELY.
Floor / unitCellar, Floor Number(s) 1, Floor Number(s) 2
Estimated cost$253,896
ApprovedDecember 29, 2022
IssuedOctober 13, 2026
ExpiresMay 15, 2027
BBL—
BIN—

Property owner

Pr

Rishiaram Harricharran

Related searches

mechanical systemsFlatlandsBrooklynNYC building permithome conversioninterior renovationhigh-cost project