Brooklyn · Block 5508 · Lot 1 · 11204

5821 21 Avenue

2 floors · 2 apartments · 1,600 sq ft · built 1925 · class B2 · owner of record: Gluck, Sarah

5open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
303dto 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 303 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Jan 13, 2026Construction CLASS - 1
OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O AND/OR THE DEPARTMENT OF BUILDING RECORDS. PARTITION ERECTED CREATING AN ILLEGAL CLASS 'A' APARTMENT AT CELLAR. ROOMS USED FOR LIVING. GAS RANGE AND SINK PRESENT. AL
#35485643J
Aug 26, 2026
ADMIT/IN-VIO
$0
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (4) · C 0 · B 3 · A 0
IssuedClassViolationCorrect by
Jan 30, 2026I§ 27-2142 ADM CODE - THE PREMISES OR APTS. HAVE BEEN VACATED BY THE DEPARTMENT AND CANNOT BE REOCCUPIED UNTIL SO ORDERED AFTER PROOF OF COMPLIANCE FOR CELLAR, VACATE ORDER # 260345—
Jan 20, 2026B§ 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS RESIDENTAIL SINK, BATHTUB, WASH BASIN , AND WATER CLOSET AT CELLARFeb 24, 2026
Jan 20, 2026B§ 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCYFeb 24, 2026
Jan 20, 2026B§ 27-2073 ADM CODE - DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE GAS RANGE AT CELLARFeb 24, 2026

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 2, 2026, 9:01 PM ET. BBL 3055080001.

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