Brooklyn · Block 1607 · Lot 12 · 11221

512 Kosciuszko Street

2 floors · 2 apartments · 3,150 sq ft · built 2000 · class B9 · owner of record: Good Mazel Realty Ny Llc

2open violations
$4,062ECB/OATH penalties owed
1HPD class C (immediately hazardous)
291dto Annual property registration

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Annual property registration Check
HPD registration · September 1 each year
What this is

Residential buildings with three or more units, and one- and two-family homes the owner doesn't occupy, register with HPD every year ($13 fee). An unregistered building can't start a nonpayment case in Housing Court and faces civil penalties. Agency page

Sep 1, 2027
in 291 days
Registered through 2027-09-01

Open violations

ECB / OATH (4) · $4,062 owed
IssuedViolationHearingBalance
Mar 29, 2022Quality of Life CLASS - 1
DWELLING CONVERTED/MAINTAIN OR OCCUPIED WITH 3 OR MORE ADDITIONAL DWELLING UNITS THAN LEGALLY AUTHORIZED BY C/O#300619622.ILLEGAL OCCUPANCY NOTED 2ND FLOOR DUPLEX APARTMENT HAS BEEN CONVERTED TO/EQUIPPED AND AR
#35634836M
Apr 17, 2023
IN VIOLATION
$2,500
Mar 29, 2022Construction CLASS - 1
FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.LACK OF REQUIREDNUMBER OT MEANS OF EGRESS FOR EVERY FLOOR PER BC1018.1,27-366,BC1021.1FOR TRANSIENT USE AT 2ND FLOOR.REMEDY:DISCONTINUE ILLEGAL OCCUPANCY.
#35634839H
Apr 17, 2023
IN VIOLATION
$312
Mar 29, 2022Construction CLASS - 1
907.2.8 FAILURE TO PROVIDE FIRE ALARM SYSTEM(CLASS J)FOR TRANSIENT USE/SRO AT 2ND FLOOR.REMEDY:DISCONTINUE ILLEGAL OCCUPANCY.
#35634837Y
Apr 17, 2023
IN VIOLATION
$625
Mar 29, 2022Construction CLASS - 1
FAILURE TO PROVIDE A SYSTEM OF AUTOMATIC SPRINKLERS WHERE REQUIRED PERBC903.2 AND 27-954 FOR TRANSIENT USE/SRO AT 2ND FLOOR.REMEDY:DISCONTINUE ILLEGAL OCCUPANCY.
#35634838X
Apr 17, 2023
IN VIOLATION
$625
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (2) · C 1 · B 0 · A 0
IssuedClassViolationCorrect by
May 9, 2012I§ 27-2089 ADM CODE ABOVE PREMISES HAVE BEEN VACANT AND UNTENANTED EXCEPT FOR CARETAKER FOR 60 DAYS OR MORE, AND CANNOT BE REOCCUPIED UNTIL A NEW CERTIFICATE OF OCCUPANCY HAS BEEN OBTAINED. PREMISES HAVE BEEN VACANT SINCE 05/12/2012—
Dec 31, 2018CApt 1 · § 27-2073 ADM CODE - PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES .. IN THE ENTIRE APARTMENT LOCATED AT APT 1, SECTION ''BASEMENT''Jan 8, 2019

Check the agency records

Always confirm on the city's own systems before acting: DOB BIS property profile · DOB NOW · HPD Online · Pay ECB/OATH penalties (CityPay)

City records as of Nov 14, 2026, 8:15 PM ET. BBL 3016070012.

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