Brooklyn · Block 3326 · Lot 9 · 11237

519 Knickerbocker Avenue

4 floors · 6 apartments · 7,500 sq ft · built 1905 · class S5 · owner of record: Justina Rodriguez

37open violations
$0ECB/OATH penalties owed
4HPD 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 Applies
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
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)
Bedbug annual filing Applies
Local Law 69 · December 1 to 31 each year
What this is

Owners of multiple dwellings file their bedbug infestation history for the prior year with HPD and post or distribute it to tenants. Agency page

Dec 31, 2026
in 69 days
Annual
Annual boiler inspection (1 boiler) Applies
Boiler inspection · By December 31 each year
What this is

Boilers are inspected each calendar year and the report is filed in DOB NOW: Safety within 14 days of the inspection (low-pressure boilers in residential buildings of 5 or fewer families are exempt). Latest report on record: 2026-09-09 (Pre-filing). Agency page

Dec 31, 2026
in 69 days
1 of 1 without an accepted 2026 report yet
Annual notice: window guards and lead paint Applies
HPD / Health Code · January 1 to 16 each year
What this is

Deliver the annual notice to every unit asking whether a child lives there (window guards for children 10 and under; lead paint for children under 6 in pre-1960 buildings), then follow up on units that don't return it by mid-February. Agency page

Jan 16, 2027
in 85 days
Annual

Open violations

ECB / OATH (0)

None open.

DOB (4)
IssuedViolationStatus
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#26010
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#27519
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#14463
DOB VIOLATION - ACTIVE
Dec 13, 2011LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
#12146
DOB VIOLATION - ACTIVE
DOB NOW Safety (5)
IssuedViolationStatus
Oct 31, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle C (premises is in Community District 4)
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
Active
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
Dec 13, 2011Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
Active
HPD (28) · C 4 · B 14 · A 10
IssuedClassViolationCorrect by
May 5, 2026A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Aug 8, 2026
Jul 7, 2025BApt 3L · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHAug 11, 2025
Jul 7, 2025BApt 3L · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHAug 11, 2025
Jun 10, 2025A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Sep 13, 2025
Apr 10, 2024A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Jul 14, 2024
Mar 31, 2023CApt 3L · § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 6, 2023
Mar 31, 2023CApt 3L · § 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE GLASS AT LOWER SASH WINDOW IN THE 3rd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 6, 2023
Mar 31, 2023BApt 3L · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX. 15 SQ FT AT WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LIGHT SWITCH AT EAST WALL IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH WINDOW IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT ALL WALLS IN THE 1st ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LIGHT FIXTURE AT CEILING IN THE 2nd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Mar 31, 2023BApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE LOWER SASH WINDOW IN THE 2nd ROOM FROM EAST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 5, 2023
Jul 8, 2019A§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX , AT PUBLIC HALL, 1st STORYOct 11, 2019
Jul 8, 2019A§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING. AT PUBLIC HALL, 1st STORYOct 11, 2019
Jul 8, 2019A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORYOct 11, 2019
Jul 8, 2019A§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORYOct 11, 2019
Jul 8, 2019BApt 3L · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHAug 12, 2019
Jul 8, 2019BApt 3L · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHAug 12, 2019
Jul 8, 2019AApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE VINYL FLOOR TILES IN THE 4th ROOM FROM EAST AT NORTH LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHOct 11, 2019
Jul 8, 2019A§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTEDOct 11, 2019
Apr 12, 2019BApt 3L · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 17, 2019
Apr 12, 2019BApt 3L · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 17, 2019
Feb 19, 2019BApt 3L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WEST WALL IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 26, 2019
Feb 19, 2019CApt 3L · HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 12, 2019
Feb 19, 2019AApt 3L · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE VINYL FLOOR TILES IN THE 4th ROOM FROM EAST AT SOUTH LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMay 25, 2019
Mar 31, 2009CSECTION 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCK AT CELLARApr 6, 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, 11:28 AM ET. BBL 3033260009.

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