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Brooklyn · Block 5294 · Lot 1 · 11218

3817 12 Avenue

3 floors · 2 apartments · 5,040 sq ft · built 1899 · class S9 · owner of record: David Nina Mazel And Ariel Trust

31open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
62dto Annual boiler inspection (1 boiler)

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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 62 days		Keep the report on file (not filed with DOB)
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: 2023-12-27 (Accepted). Agency page

Dec 31, 2026
in 62 days		1 of 1 without an accepted 2026 report yet
Annual property registration Check
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 306 days		Registered through 2027-09-01
Gas piping inspection (2027 cycle) Likely applies
Local Law 152 · During 2027
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 12 is on the 2027 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2027
in 427 days		Next cycle year 2027

Open violations

ECB / OATH (0)

None open.

DOB (14)
IssuedViolationStatus
Nov 14, 2025LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
#12826		DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
#37651		DOB VIOLATION - ACTIVE
Jun 30, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
#17539		DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#39147		DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#19085		DOB VIOLATION - ACTIVE
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#18807		DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#11548		DOB VIOLATION - ACTIVE
Apr 6, 2018LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
#14065		DOB VIOLATION - ACTIVE
Feb 24, 2017LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
#11585		DOB VIOLATION - ACTIVE
Oct 1, 2015LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT
#10497		DOB VIOLATION - ACTIVE
Dec 13, 2011LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
#13655		DOB VIOLATION - ACTIVE
Dec 31, 2009LOW PRESSURE BOILER

#15892		DOB VIOLATION - ACTIVE
Jan 1, 2009LOCAL LAW 62/91 - BOILERS

#18872		DOB VIOLATION - ACTIVE
Jan 3, 2008LOCAL LAW 62/91 - BOILERS

#18855		DOB VIOLATION - ACTIVE
DOB NOW Safety (15)
IssuedViolationStatus
Nov 14, 2025Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION		Active
Oct 25, 2024Boiler FTC-BE-EXT-LP
Violation Issued-Failure To File 2023 External Inspection Affirmation of Correction for LP Device		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 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2018 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
Nov 8, 2019Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT		Active
Apr 6, 2018Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT		Active
Feb 24, 2017Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT		Active
Oct 1, 2015Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT		Active
Dec 13, 2011Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT		Active
Dec 31, 2009Boiler LBLVIO
Active
Jan 1, 2009Boiler LL6291
Active
Jan 3, 2008Boiler LL6291
Active
HPD (2) · C 0 · B 0 · A 2
IssuedClassViolationCorrect by
Jun 25, 2026AApt 2NDFLO · § 27-2013 ADMIN. CODE: PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE 1st ROOM FROM NORTH AT EAST, THE KITCHEN , THE 2nd ROOM FROM NORTH, THE BATHROOM , THE 1st ROOM FROM NORTH AT WEST, THE FOYER , THE 4th ROOM FROM NORTH AT EAST LOCATED AT APSep 28, 2026
Jun 1, 2026A§ 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER LADDER AT WEST AT FIRE ESCAPESep 4, 2026

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 30, 2026, 4:04 PM ET. BBL 3052940001.

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