Brooklyn · Block 534 · Lot 10 · 11231

421 Columbia Street

4 floors · 6 apartments · 4,800 sq ft · built 1931 · class S5 · owner of record: 421 Columbia Street R

7open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
58dto 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 6 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 58 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 58 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 58 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 74 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 302 days
Registered through 2027-09-01

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
May 28, 2026Construction CLASS - 1
OBSERVED SECTION OF BRICKS UNDERNEATH 3 FLOOR WINDOW ON HUNTGTION STREET SIDE WITH SPALLING BRICKS AND MORTAR MISSING IN SAME AREA. ALSO OBSERVED SMALL PEACE ON FLAT SIDE OF CORNICE MISSING, REPAIR AND/REPLACE
#39190148J
Oct 2, 2026
ADMIT/IN-VIO
$0
DOB (1)
IssuedViolationStatus
May 28, 2026IMMEDIATE EMERGENCY
ERECT APPROXIMATELY 75 LINEAR FT OF SIDEWALK SHED ALONG HUNTINGTON ST EXP #2 TO SAFEGUARD THE PUBLIC
#20209
DOB VIOLATION - ACTIVE
DOB NOW Safety (1)
IssuedViolationStatus
Jul 8, 2026AEUHAZ FTC-AEU-HAZ
Active
HPD (4) · C 0 · B 1 · A 3
IssuedClassViolationCorrect by
Jan 17, 2023A§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTEDApr 22, 2023
Jan 17, 2023A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD.Apr 22, 2023
Jan 17, 2023B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 1st STORYFeb 21, 2023
Oct 28, 2015A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORYJan 31, 2016

Issued in the last 120 days

DateSourceWhatNow
Jul 8, 2026DOB SafetyAEUHAZ: 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 Nov 3, 2026, 10:56 PM ET. BBL 3005340010.

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