Brooklyn · Block 3160 · Lot 43 · 11206

21 Jefferson Street

3 floors · 2 apartments · 3,696 sq ft · built 1899 · class B9 · owner of record: Aldridge, Ian

7open violations
$0ECB/OATH penalties owed
1HPD class C (immediately hazardous)
Overdueto 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

OverdueRegistration expired 2026-09-01

Open violations

ECB / OATH (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (7) · C 1 · B 6 · A 0
IssuedClassViolationCorrect by
Jun 6, 2007BApt BSMT · § 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM NORTH LOCATED AT BSMT-APT BSMTJul 21, 2007
Jun 6, 2007BApt BSMT · HMC ADM CODE: § 27-2018.4 ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT BSMTJul 21, 2007
Jun 6, 2007BApt BSMT · HMC ADM CODE: § 27-2018.4 ABATE THE NUISANCE CONSISTING OF VERMIN , MICE IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT BSMTJul 21, 2007
Jun 6, 2007BApt BSMT · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF MOISTURE PENETRATING THE EAST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT BSMTJul 21, 2007
Jun 6, 2007BApt BSMT · § 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT BSMTJul 21, 2007
Jun 6, 2007C§ 27-2005 ADMIN. CODE: REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK AT THE ENTRANCE DOOR TO BASEMENT APT.Jun 22, 2007
Jun 6, 2007BApt BSMT · § 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING CERAMIC WALL TILES IN THE BATHROOM LOCATED AT APT BSMTJul 21, 2007

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 Oct 26, 2026, 7:41 AM ET. BBL 3031600043.

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