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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.

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

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16 open Class C.

We read every request ourselves. When a compliance firm we work with can take the building, we introduce you to that one firm. One firm, not a list.

Your details stay with us, and go only to the one firm you are introduced to. No lists, no resale.

¿Es su edificio? Déjenos un correo o un teléfono. Leemos cada solicitud.

Or file it yourself: what it can hold up, and how correction is filed

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: which violations matter, and how long this kind usually takes to clear. It is not on sale yet.

See what the report covers

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.
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
Heat / Hot WaterNotice sent17808290
No access to reinspect (first try)17233629
Vermin / InfestationNotice sent to tenant17233623
Vermin / InfestationNotice sent to tenant17233618
No access to reinspect (first try)17233591
No access to reinspect (first try)17233587
Class B1 open
Notice sent17233630

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

Vermin and pests in Brooklyn

Other buildings on this tax block

Nearby buildings

Questions about this building

Does 537 Knickerbocker Avenue, Brooklyn have open violations?

Yes. 537 Knickerbocker Avenue, Brooklyn had 17 open violations on September 26, 2026: 17 from HPD. 16 are Class C, the class HPD treats as immediately hazardous.

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 26, 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.

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, DOB violations and the city's PLUTO tax-lot file. This page is current through September 26, 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, 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 26, 2026. https://violationscout.com/building/537-knickerbocker-avenue-brooklyn

How we count: /method.

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