Manhattan · Block 1976 · Lot 20 · 10027

509 West 121 Street

8 floors · 110 apartments · 81,632 sq ft · built 1911 · class D3 · owner of record: Teachers College Columbia Univerity

36open violations
$27,025ECB/OATH penalties owed
5HPD class C (immediately hazardous)
46dto 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 46 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 46 days
Keep the report on file (not filed with DOB)
Energy audit and retro-commissioning (2026) Likely applies
Local Law 87 · Calendar year 2026
What this is

Buildings over 50,000 sq ft file an Energy Efficiency Report every ten years, in the year whose last digit matches the last digit of the tax block (block 1976). Agency page

Dec 31, 2026
in 46 days
Due this year
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 46 days
Annual
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 62 days
Annual
Facade inspection report (Cycle 10A) Applies
Local Law 11 / FISP · Feb 21, 2025 to Feb 21, 2027
What this is

Buildings taller than six stories file a facade inspection report by a QEWI once every five-year cycle. Tax blocks ending in 4, 5, 6 or 9 are in sub-cycle 10A. DOB facade records for this building show $1,182,000 in late-filing or failure-to-file penalties. Agency page

Feb 21, 2027
in 98 days
No Cycle 10 report on record yet
Energy and water benchmarking Likely applies
Local Law 84 · May 1 each year
What this is

Buildings over 25,000 sq ft (this lot shows 81,632 sq ft) report energy and water use for the prior calendar year through ENERGY STAR Portfolio Manager. The city's Covered Buildings List is the final word on which buildings must file. Agency page

May 1, 2027
in 167 days
Annual filing
Building emissions report Likely applies
Local Law 97 · May 1 each year (extensions available)
What this is

Covered buildings file an annual greenhouse gas emissions report certified by a registered design professional. Buildings over their emissions limit owe penalties, so it pays to check early. Agency page

May 1, 2027
in 167 days
Annual filing
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 290 days
Registered through 2027-09-01

Open violations

ECB / OATH (10) · $27,025 owed
IssuedViolationHearingBalance
Oct 27, 2026Construction CLASS - 2
FAILURE TO MAINTAIN EXTERIOR BUILDING FACADE AND APPURTENANCES. NOTE: AT TIME OF INSPECTION I OBSERVED DAMAGED/CRACKED STONE AT EXPOSURE #1 SOUTH ELEVATION(WEST CORNER) APPX 8TH FLOOR. REMEDY: MAINTAIN EXTERIOR
#35730771K
Dec 31, 2026
PENDING
$2,500
May 19, 2026Construction CLASS - 1
OBSERVED SUSPENDED SCAFFOLD IN PLACE AND IN USE AT EXPOSURE #4 WITH NO DESIGNATED RIGGING FOREMAN PRESENT. SUSPENDED SCAFFOLD OPERATIONS NOT UNDER DIRECT AND CONTINUING SUPERVISION OF LICENSED/DESIGNATED RIGGER
#39554306K
Sep 24, 2026
DEFAULT
$2,530
May 19, 2026Unknown CLASS - 2
3314.4.3.4 OBSERVED SUSPENDED SCAFFOLD INSTALLED AND IN USE AT ROOF/EXPOSURE:#4 AREA WITH NO INSTALLATION INSPECTION REPORT PROVIDED ON SITE. MULTIPLE SUSPENDED SCAFFOLD BEAMS OBSERVED IN PLACE/IN USE; NO PRE-
#39554307M
Sep 24, 2026
DEFAULT
$2,530
May 19, 2026Construction CLASS - 2
OBS SUSPENDED SCAFFOLD PLATFORM ASSEMBLED CONTRARY TO MANUFACTURER SPECIFICATIONS/DESIGN REQUIREMENTS. ALTREX PLATFORM, SKY CLIMBER CONFIGURATION,& GUARDRAIL SETUP NOT VERIFIED BY APPROVED MANUFACTURER DATA. RE
#39554308Y
Sep 24, 2026
DEFAULT
$1,280
May 19, 2026Unknown CLASS - 1
3316.7 OBSERVED SUSPENDED SCAFFOLD OPERATIONS BEING PERFORMED VERTICALLY ABOVE OCCUPIED WORK AREAS WITHIN SAME DROP ZONE. WORKERS BELOW EXPOSED TO FALLING OBJECT HAZARDS FROM OVERHEAD SUSPENDED SCAFFOLD OPERATI
#39554310N
Sep 24, 2026
DEFAULT
$5,030
May 19, 2026Construction CLASS - 2
OBSERVED SUSPENDED SCAFFOLD/OUTRIGGER BEAM INSTALLATION NONCONFORMING TO APPROVED CD5. I-BEAMS NOT INDICATED ON APPROVED PLANS. SAFETY LINES/CABLES IMPROPERLY ATTACHED TO SOUTH WALL SECTION WITH NO PULL TEST PR
#39554309X
Sep 24, 2026
DEFAULT
$1,280
May 19, 2026Construction CLASS - 2
OBSERVED SIDEWALK SHED BRIDGE UTILIZED FOR IMPROPER STORAGE OF CEMENT BAGS, ROPE, SIGNAGE, EQUIPMENT, BOXED MATERIALS, AND TEMPORARY SHANTY ERECTED ATOP SHED. MATERIALS STORED OUTSIDE DESIGNATED AREAS CREATING
#39554312R
Jul 23, 2026
IN VIOLATION
$625
Dec 13, 2025Unknown CLASS - 1
OBSERVED A SUPPORTED SCAFFOLD ERECTED WITHOUT REQUIRED PROTECTIVE NETTING INSTALLED ON ALL OPEN SIDES AND ELEVATIONS. FAILURE TO PROVIDE NETTING TO PREVENT DEBRIS FROM FALLING TO THE STREET, ADJOINING PROPERTIE
#39547934X
Feb 19, 2026
IN VIOLATION
$5,000
Jan 16, 2024Local Law CLASS - 2
FAILURE TO FILE ACCEPTABLE AMENDED CYCLE 9A REPORT INDICATING CORRECTION OF UNSAFE CONDITIONS DESCRIBED IN INITIAL FACADES REPORT REQUIRED BY 28.302.5 FOR CONTROL #906797. REMEDY: FILE ACCEPTABLE REPORT.
#37026288Y
May 15, 2025
DEFAULT
$6,250
Jan 21, 2015Construction CLASS - 2
SIDEWALK SHED PARAPET SIGN PANEL IS NOT PROVIDED. NOTED: AT TIME OF INSPECTION SIDEWALK SHED AT EXP#1 MISSING SIGN PANEL. IT MUST CONTAIN 1)THE STREET ADDRESS OF THE SITE. 2)NAME OF THE CONTRACTOR RESPONSIBLE
#35150505R
Mar 12, 2015
DEFAULT
$0
DOB (15)
IssuedViolationStatus
Feb 22, 2022HAZARDOUS CONDITION (FACADE)
CYCLE 9A UNSAFE REPORT FILED
#910033
DOB VIOLATION - ACTIVE
Feb 22, 2022FAILURE TO CORRECT SWARMP CONDITIONS (FACADE)
CYCLE 9A FAILURE TO CORRECT SWARMP CONDITIONS
#00444
DOB VIOLATION - ACTIVE
Apr 29, 2021FAILURE TO POST ENERGY GRADE/SCORE
FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3
#2001347
DOB VIOLATION - ACTIVE
Jan 3, 2017(OTHER BLDGS TYPES) - ELEVATOR AFFIRMATION OF CORRECTION
VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2015 CAT 1 INSP/TST
#04125
DOB VIOLATION - ACTIVE
Jun 10, 2015ELEVATOR ANNUAL INSPECTION / TEST
VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2014 INSPECTION/TEST
#01507
DOB VIOLATION - ACTIVE
Oct 31, 2014ELEVATOR ANNUAL INSPECTION / TEST
VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2013 INSPECTION/TEST
#01637
DOB VIOLATION - ACTIVE
Jun 6, 2014FAILURE TO BENCHMARK
FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4
#00602
DOB VIOLATION - ACTIVE
Mar 31, 2014ELEVATOR ANNUAL INSPECTION / TEST
VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2012 INSPECTION/TEST
#02645
DOB VIOLATION - ACTIVE
Oct 1, 2012ELEVATOR ANNUAL INSPECTION / TEST
VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2011 INSPECTION/TEST
#01624
DOB VIOLATION - ACTIVE
Dec 13, 2011ELEVATOR ANNUAL INSPECTION / TEST
VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2010 INSPECTION/TEST
#01755
DOB VIOLATION - ACTIVE
Feb 27, 2009LOCAL LAW 10/81 - ELEVATOR

#01478
DOB VIOLATION - ACTIVE
Mar 21, 2008LOCAL LAW 10/81 - ELEVATOR

#01706
DOB VIOLATION - ACTIVE
Oct 12, 2006ELEVATOR

#9011/176460
DOB VIOLATION - ACTIVE
Jan 13, 1997LOCAL LAW 10/81 - ELEVATOR

#01666
DOB VIOLATION - ACTIVE
Nov 3, 1989ELEVATOR

#13006\1
DOB VIOLATION - ACTIVE
DOB NOW Safety (13)
IssuedViolationStatus
Oct 23, 2023Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2019 Cat1 Test Affirmation of Correction
Active
Feb 22, 2022Facades FISPHAZ
CYCLE 9A UNSAFE REPORT FILED
Active
Feb 22, 2022Facades FISPFCS
CYCLE 9A FAILURE TO CORRECT SWARMP CONDITIONS
Active
Apr 29, 2021Energy Grade - LL33 FTP-EN-EGRDEA
Active
Jan 3, 2017Elevators ACC1
Active
Jun 10, 2015Elevators EVCAT1
Active
Oct 31, 2014Elevators EVCAT1
Active
Jun 6, 2014Benchmarking - LL84 FTF-EN-BENCH
Active
Mar 31, 2014Elevators EVCAT1
Active
Oct 1, 2012Elevators EVCAT1
Active
Dec 13, 2011Elevators EVCAT1
Active
Feb 27, 2009Elevators LL1081
Active
Mar 21, 2008Elevators LL1081
Active
HPD (5) · C 5 · B 0 · A 0
IssuedClassViolationCorrect by
May 1, 2003CApt 605 · § 27-2056.5 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST WINDOW FRAME IN THE KITCHEN LOCATED Jun 1, 2003
May 1, 2003CApt 605 · § 27-2056.5 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST DOOR FRAME, EAST WINDOW FRAME IN THEJun 1, 2003
May 1, 2003CApt 605 · § 27-2056.5 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE ON WOOD TRIM, DOORS, OR WINDOWS - USING EXCLUSIVE INTERIM CONTROLS, WHICH INCLUDE A SURFACE DUST TEST IN ACCORDANCE WITH STATUTE. EAST DOOR FRAME, EAST WINDOW FRAME IN THEJun 1, 2003
Oct 26, 1999C§ 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CLOSET DOOR PRIVATE HALL 8 STY NORTH APT 08 SOONYUN 678-3601 42850 ER1.Nov 15, 1999
Oct 26, 1999CApt 804 · § 27-2013 ADM CODE REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 8 STY NORTH APT 804 NORTHEAST ROOM 42850 ER1. LOCATED AT APT 804Nov 15, 1999

Issued in the last 120 days

DateSourceWhatNow
Oct 27, 2026ECBConstruction: FAILURE TO MAINTAIN EXTERIOR BUILDING FACADE AND APPURTENANCES. NOTE: AT TIME OF INSPECTION I OBSERVED DAMAGED/CRACKED STONE AT EXPOSURE #1 SOUTH ELEVATION(WEST CORNER) APPX 8TH FLOOR. REMEDY: MAINTAIN EXTERIOROpen
Jul 30, 2026DOB SafetyAEUHAZ: Closed
Jul 30, 2026DOB SafetyAEUHAZ: Closed

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 15, 2026, 9:47 AM ET. BBL 1019760020.

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