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ViolationScout16 open Class C, with nothing filed or new in the last 180 days.Is this your building?
Buildings537 Knickerbocker Avenue, BrooklynCurrent through

537 Knickerbocker Ave, Brooklyn

BBL 3-03326-0002

En español: 16 violaciones de Clase C abiertas (peligro inmediato) y 17 abiertas en total. La más antigua del HPD lleva 10 años abierta, desde el 23 de mayo de 2016.

Open violations are sitting, with little movement either way. 16 open Class C, with nothing filed or new in the last 180 days.

The oldest open HPD violation has been open 10 years, since May 23, 2016.

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16 open Class C. The oldest open HPD violation was filed May 23, 2016.

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The case file on a building like this names who is responsible on HPD's registration and how to reach them. We prepare them for firms on our pilot, ranked by how much hazardous work is open.

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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.

HPD vacate order
HPD's vacate order for the entire building has been in effect since May 21, 2025. Reason on the order: habitability.
Alternative Enforcement Program
In HPD's Alternative Enforcement Program since January 31, 2017.
DOB violations
3 active DOB violations, most of them for low-pressure boilers. The newest was issued November 14, 2025.

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

FiledCategoryStatusNumber
Class C16 open most often Vermin / Infestation
Notice sent17942606
Vermin / InfestationNotice sent17890486
Notice sent17890158
Vermin / InfestationNotice sent17889618
Notice sent17889617
Notice sent17889615
Notice sent17889611
Notice sent17809096
Heat / Hot WaterNotice sent17808294
Notice sent17808292
The report lists all 16, each with the city's own words and the date on its notice. What the report adds
Class B1 open
Notice sent17233630

The full report on 537 Knickerbocker Ave, Brooklyn

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The most common category among the open records here is vermin and pests.

Vermin and pests in Brooklyn

Other buildings on this tax block

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Questions about this building

Does 537 Knickerbocker Avenue, Brooklyn have open violations?

Yes. 537 Knickerbocker Avenue, Brooklyn had 17 open violations on September 27, 2026: 17 from HPD. 16 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 10 years, since May 23, 2016.

Is 537 Knickerbocker Avenue, Brooklyn getting better or worse?

Open violations are sitting, with little movement either way. 16 open Class C, with nothing filed or new in the last 180 days. That window ends September 27, 2026. It compares certifications filed with new Class C violations, and it describes what happened, not what anyone intends.

Is an HPD vacate order in effect at 537 Knickerbocker Avenue, Brooklyn?

Yes. HPD's vacate order for the entire building has been in effect since May 21, 2025. Reason on the order: habitability. A vacate order requires all or part of a building to be emptied for the reason on the order, and it stays in effect until HPD rescinds it. HPD Online shows whether an order has been rescinded since.

Is 537 Knickerbocker Avenue, Brooklyn in HPD's Alternative Enforcement Program?

Yes. In HPD's Alternative Enforcement Program since January 31, 2017. HPD puts a group of buildings with serious, long-running violations into the program each year. While a building is in it, HPD can make repairs itself and charge the cost to the property, and the building stays in until HPD discharges it.

Does 537 Knickerbocker Avenue, Brooklyn have active DOB violations?

Yes. 3 active DOB violations, most of them for low-pressure boilers. The newest was issued November 14, 2025. 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.

When was 537 Knickerbocker Avenue, Brooklyn built?

The city's record gives 1905 as the year 537 Knickerbocker 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 537 Knickerbocker Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 8 residential units at 537 Knickerbocker 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 HPD vacate orders, HPD's Alternative Enforcement Program list, DOB violations 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 HPD vacate orders, HPD's Alternative Enforcement Program list, DOB violations 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, 537 Knickerbocker Ave, Brooklyn: violations, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/537-knickerbocker-avenue-brooklyn

How we count: /method.

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