Manhattan · Block 1963 · Lot 34 · 10027

431 West 121 Street

6 floors · 25 apartments · 17,034 sq ft · built 1920 · class C6 · owner of record: 431 W 121 St Housing Developme

50open violations
$0ECB/OATH penalties owed
8HPD class C (immediately hazardous)
47dto 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 9 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 47 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 47 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 47 days
Annual
Annual boiler inspection (2 boilers) 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: 2025-11-10 (Accepted). Agency page

Dec 31, 2026
in 47 days
2 of 2 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 63 days
Annual
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

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

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Aug 1, 2024Construction CLASS - 2
FAILURE TO MAINTAIN EXTERIOR BUILDING FACADE AND APPURTENANCES. NOTE: OBSERVED DAMAGED/SPALLING TERRA COTTA AT EXPOSURES 1(SOUTH ELE) AND EXPSOURE 2(WEST). AT EXPSOURE 2(WEST) A CRACK AT THE WINDOW SILL ON THE
#35685396H
Apr 1, 2025
IN VIOLATION
$0
DOB (1)
IssuedViolationStatus
Sep 16, 1997LOCAL LAW 62/91 - BOILERS

#191987
DOB VIOLATION - ACTIVE
DOB NOW Safety (1)
IssuedViolationStatus
Sep 16, 1997Boiler LL6291
Active
HPD (47) · C 8 · B 38 · A 1
IssuedClassViolationCorrect by
Mar 3, 2025CApt 2A · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 9, 2025
Mar 3, 2025CApt 2A · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 9, 2025
Feb 26, 2025BApt 2A · § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 2, 2025
Feb 26, 2025BApt 2A · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE UPPER ESCUTCHEON PLATE AT RISER IN THE KITCHEN LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 2, 2025
Feb 26, 2025BApt 2A · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE UPPER ESCUTCHEON PLATE AT RISER IN THE BATHROOM LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 2, 2025
Feb 26, 2025BApt 2A · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE BATHROOM LOCATED AT APT 2A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHApr 2, 2025
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE CEILING LIGHT FIXTURE IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE CEILING LIGHT FIXTURE IN THE 2nd ROOM FROM NORTH LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Jan 14, 2016CApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WALLS AND CEILINGS IN THE ENTIRE APARTMENT LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHJan 22, 2016
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE WALLS AND CEILINGS IN THE ENTIRE APARTMENT LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WATER DAMAGE WOOD FLOORS IN THE ENTIRE APARTMENT LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE CEILING LIGHT FIXTURE IN THE KITCHEN LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Jan 14, 2016BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE CEILING LIGHT FIXTURE IN THE 1st ROOM FROM NORTH LOCATED AT APT 5D, 5th STORY, 1st APARTMENT FROM WEST AT NORTHFeb 18, 2016
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MORTAR MATERIAL AND BRICKS AT UPPER NORTH WALL IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED ELECTRICAL WIRING AT SOUTH WALL LIGHT SWITCH IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015C§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. FILL IN HOLES IN WALL AROUND BRACKETS AND/OR RAILS AT 1ST STORY BALCONY ,WEST FIRE ESCAPEMar 25, 2015
Mar 17, 2015B§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD ITEMS AT 1ST STORY BALCONY ,WEST FIRE ESCAPE.Apr 21, 2015
Mar 17, 2015BApt 5D · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015CApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTMar 25, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR TILES IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR TILES IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH ,EAST AND WEST WALLS IN THE BATHROOM LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC WALL TILES AT NORTH ,EAST AND WEST WALLS IN THE BATHROOM LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 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 AT SOUTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Mar 17, 2015BApt 5D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH ,EAST AND WEST WALLS IN THE 2nd ROOM FROM EAST AT NORTH LOCATED AT APT 5D, 6th STORY, 1st APARTMENT FROM SOUTH AT WESTApr 21, 2015
Aug 18, 2008AD26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FLOOR SIGNS NOT IN PROPER SEQUENCE.Nov 21, 2008
Aug 21, 2007CApt 1D · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRING CEILING CENTER ROOM 2 STY NORTHWEST APT 1D ER1. , SECTION '' ''Aug 27, 2007
Aug 21, 2007BApt 1D · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXTENSION CORD WIRING CENTER ROOM 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007CApt 1D · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRING CEILING WEST ROOM 2 STY NORTHWEST APT 1D ER1. , SECTION '' ''Aug 27, 2007
Aug 21, 2007BApt 1D · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING WEST ROOM 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt 1D · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXTENSION CORD WIRING WEST ROOM 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt GF · § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT GF, BSMT-APT AT NORTHSep 25, 2007
Aug 21, 2007BApt GF · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT GF, 1st STORY, 1st APARTMENT FROM WEST AT NORTHSep 25, 2007
Aug 21, 2007BApt GNDFL · § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE BELL-BUZZER/INTERCOM AT ENTRANCE LOCATED AT BSMT-APT GNDFL, 1st BSMT-APT FROM WEST AT NORTHSep 25, 2007
Aug 21, 2007BApt GNDFL · § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM AT LEAST 1 WINDOW OR PROVIDE APPROVED TYPE GATE , IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT GNDFL, 1st BSMT-APT FROM WEST AT NORTHSep 25, 2007
Aug 21, 2007CApt 1D · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRING CEILING PRIVATE HALL 2 STY NORTHWEST APT 1D ER1. , SECTION '' ''Aug 27, 2007
Aug 21, 2007BApt 1D · § 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt 1D · § 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER DEAD BOLT ON ENTRANCE DOOR 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt 1D · § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt 1D · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TILE FLOOR PRIVATE HALL 2 STY NORTHWEST APT 1D. , SECTION '' ''Sep 25, 2007
Aug 21, 2007BApt GF · § 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT GF, BSMT-APT AT NORTHSep 25, 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 Nov 14, 2026, 11:19 PM ET. BBL 1019630034.

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