Brooklyn · Block 1751 · Lot 43 · 11205

409 Willoughby Avenue

4 floors · 19,933 sq ft · built 1931 · class F5 · owner of record: Walworth Mkl Realty Llc

53open violations
$10,250ECB/OATH penalties owed
0HPD class C (immediately hazardous)
61dto Annual boiler inspection (3 boilers)

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

Compliance deadlines

RequirementDueStatus
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 61 days
Keep the report on file (not filed with DOB)
Annual boiler inspection (3 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: 2025-03-24 (Accepted). Agency page

Dec 31, 2026
in 61 days
3 of 3 without an accepted 2026 report yet
Gas piping inspection (2028 cycle) Likely applies
Local Law 152 · During 2028
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 3 is on the 2028 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2028
in 792 days
Next cycle year 2028

Open violations

ECB / OATH (16) · $10,250 owed
IssuedViolationHearingBalance
Feb 3, 2026Construction CLASS - 2
ATOI OBSERVED 2ND FLOOR LEVEL DECK OF FIRE ESCAPE HAS BEEN ALTERED AND ADDED A DROP DOWN LADDER TO THE END OF DECK, WHERE A COUNTER BALANCE STAIRS WERE, WITH NO PERMIT IN DOB FILE., OBTAIN ALL PERMITS
#39175796M
Nov 23, 2026
PENDING
$1,250
Apr 3, 2025Construction CLASS - 2
PSWO ISSUED FOR WW/OP. ATOI OBSERVED ONGOING CONSTRUCTION WORK ON 1ST FLOOR COMMERCIAL SPACE LOCATED AT WILLOUGHBY STR. SIDE OF ABOVE BLDG, INCLUDING THE INSTALLATION OF NEW PARTITION WALLS, ADDITIONALLY, A DOO
#39143822K
Jun 1, 2026
IN VIOLATION
$1,250
Apr 3, 2025Unknown CLASS - 1
PSWO ISSUED FOR WW/OP. ATOI OBSERVED ONGOING ELECTRICAL WORK ON 1ST FLOOR COMMERCIAL SPACE LOCATED AT WILLOUGHBY STR. SIDE OF ABOVE BLDG. INSTALLATION OF NEW ELECTRIC WIRING, BX CABLES, LIGHT FIXTURES, JUNCTION
#39143821Z
Jun 1, 2026
IN VIOLATION
$1,600
Apr 3, 2025Construction CLASS - 2
PSWO ISSUED FOR WW/OP. ATOI OBSERVED THE REMOVAL OF FIRE ESCAPE COUNTERBALANCE STAIRS TO GRADE. WORK 60% COMPLETE. NO PERMIT FOR THIS WORK IN DOB RECORDS., OBTAIN ALL PERMITS
#39143878J
Jun 1, 2026
IN VIOLATION
$1,250
Apr 3, 2025Construction CLASS - 2
PSWO ISSUED FOR WW/OP. ATOI OBSERVED ONGOING PLUMBING WORK ON 1ST FLOOR COMMERCIAL SPACE LOCATED AT WILLOUGHBY STREET SIDE OF ABOVE BLDG, INCLIDING INSTALLATION OF METAL WATER AND WASTE LINES. WORK 80% COMPLETE
#39143820R
Jun 1, 2026
IN VIOLATION
$1,250
Apr 3, 2025Construction CLASS - 2
PSWO ISSUED FOR WW/OP. ATOI OBSERVED INSTALLATION OF NEW HVAC SYSTEM ON 1ST FLOOR COMMERCIAL SPACE LOCATED AT WILLOUGHBY STREET SIDE OF ABOVE BLDG. INCLUDING INSTALLATION OF NEW SPLIT UNITS WITH ITS ELECTRIC CO
#39143823M
Jun 1, 2026
IN VIOLATION
$1,250
Jun 1, 2018Construction CLASS - 1
UNLAWFUL ACT.FAILURE TO COMPLY W/AM ORDER OF THE COMMISSIONER.RECORDS INDICATE NO APPL. FILED TO CORRECT.CERTIFY & REMOVE VIOS CONTAINED IN SUMMON #35313003K,#352228386K,#35228385Z.REM:COMPLY W/COMM'S ORDER.
#35313389M
Dec 19, 2018
IN VIOLATION
$0
Dec 29, 2017Construction CLASS - 1
UNLAWFUL ACT, FAILURE TO COMPLY W/ AN ORDER OF THE COMMISSIONER. RECORDS INDICATE NO APPLICATION FILED TO CERTIFY, CORRECT & REMOVE VIOLATIONS CONTAINED IN SUMMONS #35285089P, #35228386K & #35228385Z. REM: COMP
#35274492L
Aug 23, 2018
IN VIOLATION
$0
Jul 17, 2017Construction CLASS - 1
FAILURE TO COMPLY W/COMMISSIONER'S ORDER CONTAINED IN SUMMONS#35228386K ISSUED ON 3/20/17 FOR OPEN WIRING IN HALLWAY 35228385Z FOR DEFECTIVEEXIT LIGHTS AND 35227254Y FOR FAILURE TO CORRECT SUMMONS.REM:COMPLY W/
#37005381X
Aug 23, 2018
IN VIOLATION
$2,400
Apr 3, 2017Elevators CLASS - 1
16R07,97RX. 16R07-IMPROPER HOISTWAY DOOR ON 1ST FLR; 97RXX-BECAUSE BLDG IS NOT EMPTY (TENANTS) FIREMAN APPLICATION WITH DOB TO CHANGE THE STATUS OF THEIS DEVICE FROM SEALED TO ACTIVE.
#38253985X
Aug 23, 2018
IN VIOLATION
$0
Nov 14, 2016Elevators CLASS - 1
97R17 ELEVATOR HAS SEALED STATUS. FILE AND CHANGE THE STATUS OF THE ELEVATOR FORM SEALED TO ACTIVE SO PROPER INSPECTIONS CAN BE CONDUCTED.
#38251036P
Jul 26, 2017
IN VIOLATION
$0
May 12, 2016Elevators CLASS - 1
03K10,05M07,09I10,52K11,56O02,59O02,64M07,68B07,97R05,98BB05,99BB05. 03K10-HOLE IN CAB WALL; 05M07-CAR GATE MISSING; COMPLETELY DIRTY;64M07-68B07-NO LICENSE MAINT COMPANY; 97R05-DEVICE MUST BE RETURNED TO ACTIV
#38242448R
Jan 9, 2017
IN VIOLATION
$0
Mar 6, 2009Unknown CLASS - 1
PROVISION OF LAW 28-201.1 FAILURE TO COMPLY WITH THE COMMISSIONERS ORDER TO OBTAIN A PERMIT PER VIOLATION # 34688170M, ISSUED 08/26/08 FOR "WORK WITHOUT PERMIT" FLOORS 1-4. REM: COMPLY WITH COMMISSIONERS ORDER.
#34772303Z
Aug 31, 2009
IN VIOLATION
$0
Feb 7, 2008Elevators Hazardous
5M07.85M05.86M05.9V10.16W10.12I10.38O02.21XX.03X07.34XX.41O02.55O02.63M07.61O02.83XX.02M07.05W10 5M07 MISSING CAR GATE 9V10 CAR FL OFF LEVEL ALOT 16W10 3RD FL DOOR STAYS OPEN 21XX INTERLOCK NOT WORKING PROPERLY
#38180297H
Feb 25, 2009
IN VIOLATION
$0
May 30, 2007Elevators Hazardous
CU:5M7/85M5/86M5/9V10/16W10/12I10/39O2/21XX/3X7/34XX/41O2/55O2/63M7/61O2/83XX/2M7/.5M7-MISSING CAR GATES.16W10-3RD FL HALL DOOR JAMMED W/DOOR( )JUMPED OUT.39O2-ELEVATOR EQUIPMENT IN MOTOR ROOM DIRTY.21XX-
#38166911H
Feb 25, 2009
IN VIOLATION
$0
Oct 29, 1990Elevators Non-Hazardous
5L, 15L, 18L, 30O, 73O, 14M, PROFORM 5YR. TEST & PROPERLY TAG.
#38001721L
Dec 16, 1991
WRITTEN OFF
$0
DOB (22)
IssuedViolationStatus
Sep 23, 2024LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
#08934
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#37447
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#17329
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#37446
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#37445
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#37444
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#17332
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#17331
DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#17330
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#38915
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#38913
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#38914
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#38916
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18118
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18120
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18119
DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18117
DOB VIOLATION - ACTIVE
Feb 21, 2001CONSTRUCTION
WORK WITHOUT PERMIT. UPON INSPECTION OF ABOVE PREMISES WORK WAS PER- FORMED & DOB RECORDS INDICATES NO PERMIT WAS ISSUED. NOTED: PARTITIONS ERECTED IN VARIOUS LOCATIONS AT 2ND FL. PLUMBING WAS DONE AT 2ND FL FOR VARIOUS SINKS, TOILET & A SHOWER. REMEDY: OBTAIN PERMIT OR RESTORE TO LEGAL PRIOR CONDIT
#03A03
VIOLATION WORK WITHOUT PERMIT - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#24437
DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#24436
DOB VIOLATION - ACTIVE
May 24, 1991CONSTRUCTION

#03DZ02
DOB VIOLATION - ACTIVE
May 24, 1991CONSTRUCTION

#030202
DOB VIOLATION - ACTIVE
DOB NOW Safety (17)
IssuedViolationStatus
Sep 23, 2024Boiler LBLVIO
Violation Issued-Failure To File 2023 External Low Pressure Inspection Report
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 30, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
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
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 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
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
HPD (0)

None open.

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 31, 2026, 2:10 PM ET. BBL 3017510043.

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