Manhattan · Block 722 · Lot 24 · 10011

421 West 24 Street

6 floors · 35 apartments · 21,012 sq ft · built 1927 · class D1 · owner of record: Chelsea Town, Series Iii, Llc

26open violations
$0ECB/OATH penalties owed
4HPD 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 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 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 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
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: 2026-09-15 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (0)

None open.

DOB (1)
IssuedViolationStatus
Jan 23, 2020ELEVATOR

#9028/667081
DOB VIOLATION - ACTIVE
DOB NOW Safety (10)
IssuedViolationStatus
Oct 29, 2026Elevators FTC-VT-PER-CO
Violation Issued-Failure To File 2025 Periodic Inspection Affirmation of Correction
Active
Oct 29, 2026Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2025 Cat1 Test Affirmation of Correction
Active
Oct 10, 2025Elevators FTC-VT-PER-CO
Violation Issued-Failure To File 2024 Periodic Inspection Affirmation of Correction
Active
Oct 10, 2025Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2024 Cat1 Test Affirmation of Correction
Active
Oct 11, 2024Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2023 Cat1 Test Affirmation of Correction
Active
Oct 23, 2023Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2021 Cat1 Test Affirmation of Correction
Active
Oct 23, 2023Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2020 Cat1 Test Affirmation of Correction
Active
Oct 23, 2023Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2022 Cat1 Test Affirmation of Correction
Active
Oct 23, 2023Elevators FTC-VT-CAT1-CO
Violation Issued-Failure To File 2019 Cat1 Test Affirmation of Correction
Active
Oct 2, 2023Elevators FTC-VT-PER-CO
Violation Issued-Failure To File 2022 Periodic Inspection Affirmation of Correction
Active
HPD (15) · C 4 · B 8 · A 3
IssuedClassViolationCorrect by
May 21, 2026B§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT EAST AND WEST WALLS AND CEILING AT VESTIBULE , 1st STORYJun 25, 2026
May 21, 2026A§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE EAST AND WEST WALLS AND CEILING AT VESTIBULE , 1st STORYAug 24, 2026
May 21, 2026B§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING AT VESTIBULE , 1st STORYJun 25, 2026
May 5, 2023BApt B · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTHJun 9, 2023
May 5, 2023BApt B · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTHJun 9, 2023
Apr 18, 2023BApt B · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTHMay 23, 2023
Apr 18, 2023BApt B · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTHMay 23, 2023
Apr 7, 2023C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING HOOK AND LATCH INSTALLED AT THE ENTRANCE DOOR. AT PUBLIC HALL, 1st STORYApr 21, 2023
Apr 7, 2023C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKSTAND DOORSTOP AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORYApr 21, 2023
Feb 11, 2022C§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING 9TH METAL TREAD FROM BOTTOM AT SOUTH BUILDING FRONT AT 2nd FIRE ESCAPE FROM EAST, 2nd STORYFeb 17, 2022
Feb 11, 2022C§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING 8TH METAL TREAD FROM BOTTOM AT SOUTH BUILDING FRONT AT 1st FIRE ESCAPE FROM EAST, 3rd STORYFeb 17, 2022
Aug 14, 2018BApt A · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING. LOCATED AT APT A, 1st STORY, 1st APARTMENT FROM WEST AT NORTHSep 18, 2018
Aug 14, 2018BApt A · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT A, 1st STORY, 1st APARTMENT FROM WEST AT NORTHSep 18, 2018
Aug 1, 2018A§ 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 STORYNov 4, 2018
Aug 1, 2018A§ 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 STORYNov 4, 2018

Issued in the last 120 days

DateSourceWhatNow
Oct 29, 2026DOB SafetyElevators: Violation Issued-Failure To File 2025 Periodic Inspection Affirmation of CorrectionOpen
Oct 29, 2026DOB SafetyElevators: Violation Issued-Failure To File 2025 Cat1 Test Affirmation of CorrectionOpen

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, 11:07 AM ET. BBL 1007220024.

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