Brooklyn · Block 3257 · Lot 34 · 11237

384 Knickerbocker Avenue

3 floors · 2 apartments · 5,750 sq ft · built 1931 · class S2 · owner of record: Ajr Properties Inc

5open violations
$0ECB/OATH penalties owed
4HPD class C (immediately hazardous)
69dto Gas piping inspection (2026 cycle)

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

Compliance deadlines

RequirementDueStatus
Gas piping inspection (2026 cycle) Likely applies
Local Law 152 · During 2026
What this is

Buildings with gas piping (except one- and two-family homes) need a periodic gas piping inspection by a licensed master plumber every four years. Community district 4 is on the 2026 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2026
in 69 days
Due this year
Annual parapet observation Check
Local Law 126 · By December 31 each year
What this is

If the building has a parapet facing a street, sidewalk or other public way, a competent person (such as a mason, engineer or architect) must observe it every year and the owner keeps the report for DOB on request. Detached one- and two-family homes are exempt. Agency page

Dec 31, 2026
in 69 days
Keep the report on file (not filed with DOB)
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 313 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (5) · C 4 · B 1 · A 0
IssuedClassViolationCorrect by
Nov 22, 2021CApt 3 · § 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE MAXIMUN ALLOWABLE TEMPERATURE OF 130 DEGREES. IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTNov 28, 2021
Aug 13, 2009C§ 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES KITCHEN & BATHROOM, 3RD STY. APT. 3L.Aug 19, 2009
Aug 13, 2009C§ 27-2026 ADMIN. CODE: REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET BATHROOM, 3RD STY. APT. 3L.Aug 19, 2009
Aug 13, 2009C§ 27-2005 ADMIN. CODE: REMOVE THE ILLEGAL FASTENING ENTRANCE DOOR, 3RD STY. APT. 3L.Aug 19, 2009
Aug 13, 2009B§ 27-2032, 2034 ADNIM. CODE: DISCONTINUE USE OF ILLEGAL SPACE AND/OR HOT WATER HEATER AND PROVIDE FILED FOR & APPROVED HEATER WHICH OBTAINS COMBUSTION AIR DIRECTLY FROM OUTSIDE THE BUILDING OR APPROVED CENTRAL SYSTEM HOT WATER HEATER KITCHEN ( SMITH ) 3RD STY. APT. 3L.Sep 17, 2009

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 23, 2026, 4:49 AM ET. BBL 3032570034.

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