Brooklyn · Block 6126 · Lot 1 · 11209

9727 3 Avenue

4 floors · 14 apartments · 14,628 sq ft · built 1926 · class C7 · owner of record: 301 Marine Ave Corp

17open violations
$0ECB/OATH penalties owed
6HPD class C (immediately hazardous)
Overdueto Annual property registration

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

Compliance deadlines

RequirementDueStatus
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

OverdueRegistration expired 2026-09-01
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 70 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 70 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 86 days
Annual
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 10 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 801 days
Next cycle year 2028
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: 2026-03-23 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (0)

None open.

DOB (1)
IssuedViolationStatus
Jan 9, 2019FAIL TO CERTIFY CLASS 1
FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
#00849
DOB VIOLATION - ACTIVE
DOB NOW Safety (1)
IssuedViolationStatus
Jan 9, 2019AEUHAZ FTC-AEU-HAZ
Active
HPD (15) · C 6 · B 5 · A 4
IssuedClassViolationCorrect by
May 7, 2026BApt C2 · § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING MORTISE LOCK IN THE ENTRANCE LOCATED AT APT C2, 3rd STORY, 1st APARTMENT FROM SOUTH AT WESTJun 11, 2026
Apr 30, 2026A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Aug 3, 2026
Nov 12, 2025C§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING WOOD WEDGE PLACED AT BUILDING ENTRANCE DOORNov 26, 2025
Oct 30, 2024CApt B3 · § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCHSET ASSEMBLY, IN THE ENTRANCE LOCATED AT APT B3, 2nd STORY, 1st APARTMENT FROM SOUTH AT WESTNov 13, 2024
Sep 9, 2024B§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT LOBBY, 1st STORYOct 14, 2024
Mar 10, 2020C§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM SIGN MISSING AT PUBLIC HALL, 1st STORYMar 18, 2020
Mar 10, 2020C§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLARMar 18, 2020
Oct 22, 2018B§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITIONER AT BUILDING FRONT , 3rd STORY, SECTION AT NORTHWESTNov 26, 2018
Aug 7, 2018BApt B2 · § 27-2005 ADM CODE PROPERLY SECURE THE LOOSE BASE CABINET DOOR AT SINK AT WEST WALL IN THE KITCHEN LOCATED AT APT B2, 2nd STORY, APARTMENT AT SOUTHSep 11, 2018
Aug 7, 2018B§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SLATE EXTENSION ROOF OVER BUILDING ENTRANCESep 11, 2018
Oct 19, 2017A§ 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 STORYJan 22, 2018
Oct 19, 2017A§ 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 SUSPECTED AT PUBLIC HALL, 1st STORYJan 22, 2018
Oct 19, 2017A§ 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 22, 2018
Jul 18, 2016CApt B2 · SECTION 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR .. IN THE ENTRANCE LOCATED AT APT B2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTHJul 26, 2016
Nov 2, 2009CApt B2 · SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CILINDER KEY OPERATING LOCK IN THE ENTRANCE LOCATED AT APT B2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTHNov 8, 2009

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 22, 2026, 7:05 AM ET. BBL 3061260001.

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