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ViolationScout17 open Class C, with 1 certification filed and 1 new Class C in the last 180 days, too few to call a direction.Is this your building?
Buildings921 St Marks Avenue, BrooklynCurrent through

921 St Marks Ave, Brooklyn

BBL 3-01223-0078

En español: 17 violaciones de Clase C abiertas (peligro inmediato) y 58 abiertas en total. La más antigua del HPD lleva 11 años abierta, desde el 31 de marzo de 2015.

Open violations are sitting, with little movement either way. 17 open Class C, with 1 certification filed and 1 new Class C in the last 180 days, too few to call a direction.

The oldest open HPD violation has been open 11 years, since March 31, 2015.

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17 open Class C. The oldest open HPD violation was filed March 31, 2015.

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The building report reads this record for you: every open violation in the city's own words, what each status means, and how the building compares with others its size. Usually ready within 15 minutes of payment.

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HPD takes complaints from tenants through 311.

DOB violations
6 active DOB violations, most of them for low-pressure boilers. The newest was issued June 20, 2023.
Housing court
3 open housing court cases, most of them heat and hot water cases. The newest opened January 13, 2026.
Bedbug report
Filed May 15, 2026, for the year to October 31, 2025. Buildings with 3 or more apartments file one with HPD every year.

Open violations by class. A party is named only where the building's HPD registration covers the date a violation was filed.

FiledCategoryStatusNumberRegistered party when filed
Class C17 open most often Heat / Hot Water
Vermin / InfestationNotice sent to tenant18789692Michael Benjamin as Receiver
Heat / Hot WaterNotice sent18377338
Heat / Hot WaterNotice sent18377337
Fire SafetyNotice sent18350950
Heat / Hot WaterNotice sent18350949
Heat / Hot WaterNotice sent18350948
Vermin / InfestationNotice sent to tenant18350935
Notice sent18350928
Fire SafetyNotice sent18350927
Heat / Hot WaterNotice sent18320214
The report lists all 17, each with the city's own words and the date on its notice. What the report adds
Class B39 open most often Fire Safety
Fire SafetyInvalid certification18789696Michael Benjamin as Receiver
Fire SafetyInvalid certification18789695Michael Benjamin as Receiver
Invalid certification18789694Michael Benjamin as Receiver
Invalid certification18789693Michael Benjamin as Receiver
Invalid certification18789691Michael Benjamin as Receiver
Fire SafetyInvalid certification18788759Michael Benjamin as Receiver
Fire SafetyInvalid certification18788758Michael Benjamin as Receiver
Invalid certification18788757Michael Benjamin as Receiver
Invalid certification18788756Michael Benjamin as Receiver
Notice sent18377340
The report lists all 39, each with the city's own words and the date on its notice. What the report adds
OATH/ECB2 open most often Construction
Construction, Class 3Decided by default39139083Y
Construction, Class 3Decided by default39139082M

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Questions about this building

Does 921 St Marks Avenue, Brooklyn have open violations?

Yes. 921 St Marks Avenue, Brooklyn had 58 open violations on September 27, 2026: 56 from HPD and 2 from OATH/ECB. 17 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 11 years, since March 31, 2015.

Is 921 St Marks Avenue, Brooklyn getting better or worse?

Open violations are sitting, with little movement either way. 17 open Class C, with 1 certification filed and 1 new Class C in the last 180 days, too few to call a direction. That window ends September 27, 2026. It compares certifications filed with new Class C violations, and it describes what happened, not what anyone intends.

Does 921 St Marks Avenue, Brooklyn have active DOB violations?

Yes. 6 active DOB violations, most of them for low-pressure boilers. The newest was issued June 20, 2023. The Department of Buildings writes these separately from HPD's housing violations, for things like boilers, elevators, facades, construction and energy filings. Each one stays active until DOB resolves or dismisses it.

Is 921 St Marks Avenue, Brooklyn in housing court?

Yes. 3 open housing court cases, most of them heat and hot water cases. The newest opened January 13, 2026. HPD takes buildings to housing court to get violations fixed and heat and hot water restored, and it joins tenants' own repair cases, called tenant actions. A case stays open until the court closes it.

When did 921 St Marks Avenue, Brooklyn last file its bedbug report?

On May 15, 2026, for the year to October 31, 2025. HPD asks the owner of every building with 3 or more apartments for this report once a year, covering November 1 to October 31, including buildings that had no bedbugs.

When was 921 St Marks Avenue, Brooklyn built?

The city's record gives 1913 as the year 921 St Marks Avenue, Brooklyn was built, in the Department of City Planning's PLUTO tax-lot file. The same file classes it as a walk-up apartment building with 4 floors.

How many apartments does 921 St Marks Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 20 residential units at 921 St Marks Avenue, Brooklyn. The count is for the whole tax lot.

Where do these numbers come from?

From New York City's own data: HPD housing violations and OATH/ECB hearing results, read whole rather than sampled. It also draws on DOB violations, HPD's housing court cases, HPD's annual bedbug reports and the city's PLUTO tax-lot file. This page is current through September 27, 2026. The city's data changes daily, so a violation certified after that can still show as open here; the city's own page for this building is linked above.

Sources. HPD housing violations and OATH/ECB hearing results, plus DOB violations, HPD's housing court cases, HPD's annual bedbug reports and the city's PLUTO tax-lot file. Counts cover HPD Class B and C violations from the last 3 years that HPD still shows open, and OATH/ECB summonses from the same 3 years that the city still shows active. The city's own pages can show more, never fewer.

Cite this page

ViolationScout, 921 St Marks Ave, Brooklyn: 17 open Class C, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/921-st-marks-avenue-brooklyn

How we count: /method.

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