521 West 43 Street at a glance
521 West 43 Street, Manhattan has 9 open city records on file, none of them Class C, and $300.00 recorded as due on OATH/ECB summonses. No marshal evictions are on record for this building. It last sold on Aug 17, 2011 for $45,000,000. The most recent record is dated Sep 4, 2026.
Open Class C
0
Immediately hazardous — click to see them
Open Class B
9
Hazardous — click to see them
Open Class A
0
Non-hazardous — click to see them
Fines due
$300.00
Balance on OATH/ECB summonses
Evictions
0
No marshal evictions on record
Permits on file
68
Construction permits filed with DOB
Last activity
Sep 4, 2026
311 record
Health score for 521 West 43 Street
A composite of the public indicators below. How it is scored.
B
Health score · Sep 11, 2026
Scored from the 300 most recent of 322 public records for this building
Scored from city records as published, which lag reality by a day or two, and closed violations rest on owner self-certification. A grade summarizes the public record, not the building itself. Full methodology · report a problem
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 9
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $300
Bedbug filings with infestations
Annual LL69 filings on record
This building 0
Tenant litigation
Open HP actions in Housing Court
This building 0
Active vacate order
HPD or FDNY order to vacate, still in effect
This building No
Record timeline for 521 West 43 Street
Showing the 300 most recent of 322 records; the CSV has the full history. Class A, B and C are HPD’s hazard tiers: C is immediately hazardous, A and B explained here.
OATH / ECB summonses & fines at 521 West 43 Street
$300.00 is recorded as due across the 77 summonses below, out of $128,109.00 in penalties imposed. Balances are as the city publishes them; a settlement or write-off that never reached the dataset will not show here. New to these? How an OATH summons becomes a penalty, explained.
| 035732141P | Apr 16, 2026 | EXIT DOOR NOT SELF-CLOSING | Jul 15, 2026 | POP IN-VIOL | — |
| 1816507 | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.THE AUDITORIUM STAGE FLOOR IS UNEVEN-CAUSING A TRIPPING HAZARD.ALSO NOT ED THE STAGE HAS BEEN EXTENDED FROM ORIGINAL LENGTH.REM:COMPLY WITH CODE. | Jul 15, 2026 | POP/IN-VIO | — |
| 1816531 | Apr 16, 2026 | REISSUE#35721318H EXIT DOOR NOT SELF-CLOSING.7TH FLOOR AUDITORIUM EXITDOOR 7TH FLOOR STAIRWAY D 4TH FLOOR STAIRWAY A ONE EXIT AT 4TH FLOOR SW.REM:COMPLY WITH CODE. | Jul 15, 2026 | POP/IN-VIO | — |
| 1816523 | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.UNDERGROUND WATER PENETRATION AT ROOM C09 ELECTRICAL ROOM.ALSO NOTED HEAVY SEWER SMELLALSO NOTED 7TH FLOOR ELEVATOR HALLWAY FLOOR IS UNEVEN CAUSING TRIPPING | Jul 15, 2026 | POP/IN-VIO | — |
| 1816521 | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.GYM AT 702 HAS WATER DAMAGE DUE TO A LEAK.REM:COMPLY WITH CODE. | Jul 15, 2026 | POP/IN-VIO | — |
| 035732138Y | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 15, 2026 | POP IN-VIOL | — |
| 035732139X | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 15, 2026 | POP IN-VIOL | — |
| 035732140N | Apr 16, 2026 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 15, 2026 | POP IN-VIOL | — |
| 049569180Z | Mar 12, 2026 | FAILURE TO CLEAN 18 INCHES INTO STREET | Jun 12, 2026 | Defaulted (did not respond) | $300.00 |
| 035721318H | Aug 8, 2025 | EXIT DOOR NOT SELF-CLOSING | Sep 5, 2025 | POP IN-VIOL | — |
| 1780442 | Aug 8, 2025 | EXIT DOOR NOT SELF-CLOSING PROPELY. AT THE TIME OF INSPECTION OBSERVEDAND NOTED AT 7TH FL AUDITORIUM 1 EXIT DOOR, 7TH FLOOR STAIRWAY "D" 1 EXIT DOOR, 4TH FLOOR STAIRWAY "A" ONE EXIT DOOR AND 4TH FL. STAIRWAY " | Sep 5, 2025 | POP/IN-VIO | — |
| 035682994Y | Sep 12, 2024 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Nov 21, 2024 | POP IN-VIOL | — |
| 035682993M | Sep 12, 2024 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Nov 21, 2024 | POP IN-VIOL | — |
| 035682992K | Sep 12, 2024 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | Nov 21, 2024 | POP IN-VIOL | — |
| 1597079 | Sep 12, 2024 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.NOTED:OBSERVED IN THE CAFETERIA PART OF THE FLOOR HAS BACKLED AND IS CAUSING A TRIPPING HAZARD.REM:REPAIR AND/OR REPLACE. | Nov 21, 2024 | POP/IN-VIO | — |
| 1715703 | Sep 12, 2024 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.NOTED:OBSERVED MECHANICAL ROOM 321 ONE OF THE CONCRETE BEAM HAS A LONG RUNNING CRACK,WHICH IS APPROXIMATELY 6 FEET IN LENGTH.REM:REPAIR AND/OR REPLACE. | Nov 21, 2024 | POP/IN-VIO | — |
| 1238707 | Sep 12, 2024 | REISSUE#35674966R ALTERED/CHANGED BUILDING OCCUPIED WITHOUT A VALID CERTIFICATE OF OCCUPANCY AS PER 28-118.3.1-28-118.3.2.NOTED:BUILDING BEING OCCUPIED AS A SCHOOL WITHOUT A VALID OR TEMPORARY CERTIFICATE OF OC | Nov 21, 2024 | POP/IN-VIO | — |
| 869517 | May 5, 2023 | FAILURE TO TAKE AND PROVIDE SAFETY MEASURES,SIDEWALK SHED NETTING ETC.TO PROTECT AND SECURE PUBLIC SAFETY FROM DOCUMENTED UNSAFE FACADE. THETECHNICAL REPORT(TR6) RECEIVED FROM PE/RA,FILED FACADES UNSAFE 1/19/23 | Jul 27, 2023 | POP/IN-VIO | — |
| 035674132K | May 5, 2023 | FAIL TO TAKE REQUIRED MEASURES TO SECURE PUBLIC SAFWTY-UNSAFE FACADE | Jul 27, 2023 | POP IN-VIOL | — |
| 1759758 | Apr 21, 2023 | REISSUE #35640615J NOTED:AT TIME OF INSPECTION OBSERVED BUILDING BEING OCCUPIED AS SCHOOL W/O VALID OR TEMPORARY C OF O TEMP C OF O #121107211T008 EXPIRED 9/27/17.REMEDY:OBTAIN VALID C OF O OR DISCONTINUE ILLEG | Jul 6, 2023 | POP/IN-VIO | — |
| 035674966R | Apr 21, 2023 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | Jul 6, 2023 | POP IN-VIOL | — |
| 1669036 | Apr 21, 2023 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER:ILLUMINATION FOR EXITS,EXIT DISCHARGES & PUBLIC CORRIDORS PER BC 1006.1; 27-381.NOTED:AT 1ST FL CAFETERIA 2 EXIT SIGNS INOPERATIVE.REMEDY:REPAIR/REPLACE LIG | Jul 6, 2023 | POP/IN-VIO | — |
| 035674968K | Apr 21, 2023 | FAIL TO MAINTAIN BLDG IN CODE-COMPLIANT MANNER: ILLUMINATE EXITS | Jul 6, 2023 | POP IN-VIOL | — |
| 1674499 | Apr 21, 2023 | REISSUE #35643306J NOTED:AT CELLAR LEVEL RM #C9,C11,C13 ALL HAVE WATER PENETRATION ON WALLS IN VARIOUS AREAS THROUGHOUT.REMEDY:REPAIR AND/OR REPLACE. | Jul 6, 2023 | POP/IN-VIO | — |
| 165371 | Apr 21, 2023 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER.NOTED:SMOKE DOOR BY EXI 3 NOT WORKING PROPERLY.REMEDY:REPAIR AND/OR REPLACE. | Jul 6, 2023 | POP/IN-VIO | — |
| 035674965P | Apr 21, 2023 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 6, 2023 | POP IN-VIOL | — |
| 035674967Z | Apr 21, 2023 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 6, 2023 | POP IN-VIOL | — |
| 035658053M | May 6, 2022 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Sep 1, 2022 | POP IN-VIOL | — |
| 035643306J | May 6, 2022 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Sep 1, 2022 | POP IN-VIOL | — |
| 1673423 | May 6, 2022 | REISSUE #35558024P FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.AT TIME OF INSPECTION OBSERVED AT CELLAR LEVEL IN ROOM C113 C11 L9 & C50 WATER PENETRTION THROUGHOUT WALLS VIOLATION #35558026P ISSUED 4/ | Sep 1, 2022 | POP/IN-VIO | — |
| 035643305H | May 6, 2022 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | Sep 1, 2022 | POP IN-VIOL | — |
| 1148619 | May 6, 2022 | REISSUE #35495159R FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.AT TIME OF INSPECTION OBSERVED AT ROOF LEVEL LEAK ON UPPER ROOF NEAR AIR HANDLER 2# & LOWER ROOF IN GYM VIOLATION #35495159R 04/30/20 NEE | Sep 1, 2022 | POP/IN-VIO | — |
| 487715 | May 6, 2022 | REISSUE #35550615J ALTERED/CHANGED BUILDING OCCUPIED W/O VALID CERTIFICATE OF OCCUPANCY W/O VALID C/O AS PER 28-118.7-11.823 AT TIME OF INSPECTION OBSERVED TEMP C/O 121107211 1008 EXPIRED 9/27/17 NEED OBTAIN VA | Sep 1, 2022 | POP/IN-VIO | — |
| 1519238 | Apr 27, 2021 | REISSUE35495159R DOI4.30.20 FAILURE TO MAINTAIN BLDG IN CODECOMPLIANT MANNER NOTE@ROOF LEVEL ROOF LEAKS ON UPPER ROOF NEAR AIR HANDLER2&LOWER ROOF IN GYM.REPAIR &/OR REPLACE. | Jul 29, 2021 | POP/IN-VIO | — |
| 1673306 | Apr 27, 2021 | REISSUE35495161X DOI4.30.20 FAILURE TO MAINTAIN BLDG IN CODECOMPLIANT MANNER NOTE@CELLAR LEVEL IN RMS C13,C11,C9&C50 WATER PENETRATION THRU WALLS.REPAIR &/OR REPLACE. | Jul 29, 2021 | POP/IN-VIO | — |
| 1557016 | Apr 27, 2021 | REISSUE35495156L DOI4.30.20 FAILURE TO MAINTAIN BLDG COMPLIANT MANNER.NO FIRESTOPPING PER BC712.3;27-345.NOTE@1FL EQUIPMENT RM NO FIRESTOPPING@RIGHT SIDE LEFT SIDE CEILING.PROVIDE/MAINTAIN FIRESTOPPING. | Jul 29, 2021 | POP/IN-VIO | — |
| 035560616L | Apr 27, 2021 | FAIL MAINTAIN BLDG COMPLIANT MANNER: NO FORE STOPPING | Jul 29, 2021 | POP IN-VIOL | — |
| 035560614H | Apr 27, 2021 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 29, 2021 | POP IN-VIOL | — |
| 035558024P | Apr 27, 2021 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Jul 29, 2021 | POP IN-VIOL | — |
| 1538159 | Apr 27, 2021 | REISSUE35495158P DOI4.30.20 FAILURE TO MAINTAIN BLDG IN CODECOMPLIANT MANNER NOTE@7FL NEAR ELEVATOR FL BUCKLING DUE TO LEAK IN ROOF ALSO DAMAGE TO CEILING DUE TO ROOK LEAK.REPAIR &/OR REPLACE. | Jul 29, 2021 | POP/IN-VIO | — |
| 485365 | Apr 27, 2021 | 28-301.1 REISSUE35495157N DOI4.30.20 ALTERED CHANGED BLDG OCCUPIED W/OVALID C/O AS PER28-118.3;28-118.3.2 NOTE TEMP C/O121107211T008 EXPIRED9/27/17.OBTAIN VALID C/O OR DISCONT ILLEGAL OCCUPANCY. | Jul 29, 2021 | POP/IN-VIO | — |
| 035560615J | Apr 27, 2021 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | Jul 29, 2021 | POP IN-VIOL | — |
| 1526084 | Oct 22, 2020 | NO DOOR LOCK MONITORING INSTALLED IN THIS CONTROLLER AS MANDATED BY 3.10.12 OF APPENDIX K3 OF THE 2014 NYCBC. THIS IS A CONTROLLER FEATURE WHICH ENSURES PASSENGER SAFETY. REMEDY; FILE APPLICATION, INSTALL DLM A | Nov 13, 2020 | POP/IN-VIO | — |
| 039030911L | Oct 22, 2020 | FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM | Nov 13, 2020 | POP IN-VIOL | — |
| 1526035 | Oct 22, 2020 | NO DOOR LOCK MONITORING INSTALLED IN THIS CONTROLLER AS MANDATED BY 3.10.12 OF APPENDIX K3 OF THE 2014 NYCBC. THIS IS A CONTROLLER FEATURE WHICH ENSURES PASSENGER SAFETY. REMEDY; FILE APPLICATION, INSTALL DLM A | Nov 13, 2020 | POP/IN-VIO | — |
| 039030912N | Oct 22, 2020 | FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM | Nov 13, 2020 | POP IN-VIOL | — |
| 1541704 | Sep 11, 2020 | CLASS 2 VIOLATION ISSUED, DEVICE HYDRAULIC LINE, REMEDY; PROVIDE GUARD AND SECURED LINE | Sep 16, 2020 | POP/IN-VIO | — |
| 1541708 | Sep 11, 2020 | CLASS 2 VIOLATION DEVICE HYDRAULIC MOTOR TO PISTON LINE UNSECURED,REMEDY; SECURED | Sep 16, 2020 | POP/IN-VIO | — |
| 039028534M | Sep 11, 2020 | FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM | Sep 16, 2020 | POP IN-VIOL | — |
| 039028535Y | Sep 11, 2020 | FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM | Sep 16, 2020 | POP IN-VIOL | — |
| 035495160Y | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Aug 20, 2020 | POP IN-VIOL | — |
| 035495157N | Apr 30, 2020 | ALTERED CHANGED BUILDING OCCUPIED WITHOUT A VALID CERT OF OCCUPANCY | Aug 20, 2020 | POP IN-VIOL | — |
| 1157744 | Apr 30, 2020 | REISSUE#35415572H FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER:NO FIRE STOPPING PER BC 712.3;27-345.NOTE AT 1ST FLOOR EQUIPMENT ROOM NO FIRE STOPPING AT RIGHT SIDE AND LEFT SIDE CEILING.REM:PROVIDE AND | Aug 20, 2020 | POP/IN-VIO | — |
| 1483433 | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.NOTE AT STAIRWAYS C,D,E & B PHOTO LAMUNINCENT TAPE NOT COMPLETE TO 7TH FLOOR.REM:REPLACE OR REPAIR. | Aug 20, 2020 | POP/IN-VIO | — |
| 481816 | Apr 30, 2020 | REISSUE#35415568P ALTERED/CHANGED BUILDING OCCUPIED WITHOUT A VALID CERTIFICATE OF OCCUPANCY AS PER 28-118.3.1;28-118.3.2 NOTE TEMPORARY CERTIFICATE OF OCCUPANCY#121107211T008 EXPIRED 9/27/17.NO NEW OR CURRENT | Aug 20, 2020 | POP/IN-VIO | — |
| 1673219 | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.NOTE AT CELLAR LEVEL IN ROOMS C13 & C11 WATER PENETRATION THRU WALLS.REM:REPAIR AND REPLACE. | Aug 20, 2020 | POP/IN-VIO | — |
| 1533362 | Apr 30, 2020 | REISSUE#35415570Y FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER NOTE AT 7TH FLOOR NEAR ELEVATOR FLOOR IS BUCKLING DUE TO LEAK IN ROOF ALSO DAMAGE TO CEILING DUE TO ROOF LEAKS.REM:REPLACE AND OR REPAIR. | Aug 20, 2020 | POP/IN-VIO | — |
| 1217406 | Apr 30, 2020 | WORK WITHOUT PERMIT NOTE AT AUDITORIUM REAR ROOM INSTALLED A NEW MEZZANINE FOR STORAGE.REM:OBTAIN PERMITS. | Sep 3, 2020 | POP/IN-VIO | — |
| 1135139 | Apr 30, 2020 | REISSUE#35415569R FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER NOTE AT ROOF LEVEL ROOF LEAKS ON UPPER ROOF NEAR AIR HANDLER#2 AND LOWER ROOF IN GYM.REM:REPAIR AND/OR REPLACE. | Aug 20, 2020 | POP/IN-VIO | — |
| 035495156L | Apr 30, 2020 | FAIL MAINTAIN BLDG COMPLIANT MANNER: NO FORE STOPPING | Aug 20, 2020 | POP IN-VIOL | — |
| 035495158P | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Aug 20, 2020 | POP IN-VIOL | — |
| 035495159R | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Aug 20, 2020 | POP IN-VIOL | — |
| 035495155J | Apr 30, 2020 | WORK WITHOUT A PERMIT | Sep 3, 2020 | POP IN-VIOL | — |
| 035495161X | Apr 30, 2020 | FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER | Aug 20, 2020 | POP IN-VIOL | — |
| 011468444L | Mar 10, 2016 | AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION | Apr 27, 2016 | Written off | — |
| 922737 | May 9, 2013 | FAILURE TO SAFEGUARD ALL PERSONS AND PROPERTY AFFECTED BY CONSTRUCTIONOPERATIONS NOTED AT 6TH FLR,VERTICAL EXTENSION UNDER ALT#121107211 STEEL BEING ERECTED.2PCS OF STEEL STANDING ON DUNNAGE,TIPPED OVER ONTO | Aug 8, 2013 | Found in violation | — |
| 035014739N | May 9, 2013 | FAILURE TO SAFEGUARD ALL PERSONS AND PROPERTY AFFECTED BY CONSTRUCTION | Aug 8, 2013 | Found in violation | — |
| 043571818N | Aug 25, 2012 | DIRTY AREA | Sep 25, 2012 | Defaulted (did not respond) | — |
| 011185536Z | Oct 25, 2010 | INSPECTION AND TESTING | Mar 23, 2011 | Defaulted (did not respond) | — |
| 0178134761 | Aug 4, 2010 | FAILURE TO CLEAN 18 INCHES INTO STREET | Sep 27, 2010 | Defaulted (did not respond) | — |
| 0173865735 | Jun 23, 2010 | FAILURE TO CLEAN 18 INCHES INTO STREET | Jul 23, 2010 | Written off | — |
| 0160783325 | Jun 10, 2008 | FAILURE TO CLEAN 18 INCHES INTO STREET | Jul 14, 2008 | Written off | — |
| 010911004P | Dec 16, 2004 | FAIL TO MAINTAIN SPK STD SUPP SYST | Feb 2, 2005 | Found in violation | — |
| 0127419133 | Jul 31, 2002 | DIRTY SIDEWALK | Sep 23, 2002 | Written off | — |
| 534127 | Dec 29, 1999 | NO EQUIPMENT USE PERMIT. NOTED A TRAINE AIR CONDITIONING UNIT MODEL NUMBER TCD60C300AA INSTALLED ON THE ROOF TO SERVICE LIBRARY WITH NO EQUIPMENT USE PERMIT. OBTAIN EQUIPMENT USE PERMIT FROM THE BILD DEPT | Jun 22, 2000 | Found in violation | — |
| 034234678R | Dec 29, 1999 | MISCELLANEOUS CONSTRUCTION VIOLATION. | Jun 22, 2000 | Found in violation | — |
| 125622 | Feb 8, 1992 | 73#, (73) RENEW CAR SADDEN | Apr 16, 1992 | Found in violation | — |
Ownership history for 521 West 43 Street
Every deed the City Register has recorded against this building’s tax lot (BBL 1010720015), newest first. A price is the consideration stated on the deed; transfers between related parties, into an LLC, or by a referee often record none, shown as “—”. Each row links to the document in ACRIS.
| Aug 17, 2011 | Aug 29, 2011 | $45,000,000 | New York City School Construction Authority | The Ny Public Library, Astor, Lenox & Tilden | Deed | View ↗ |
Related buildings
Buildings sharing tax block 1072 in Manhattan, and the wider Manhattan violations hub.
On the same block
- 572 11 Avenue22 open
- 505 West 43 Street17 open
- 543 West 43 Street16 open
- 601 10 Avenue16 open
- 607 10 Avenue14 open
- 593 10 Avenue10 open