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ViolationScout12 open Class C, with nothing filed or new in the last 180 days.Is this your building?
Buildings6517 20 Avenue, BrooklynCurrent through

6517 20th Ave, Brooklyn

BBL 3-05556-0003

En español: 12 violaciones de Clase C abiertas (peligro inmediato) y 25 abiertas en total.

Open violations are sitting, with little movement either way. 12 open Class C, with nothing filed or new in the last 180 days.

Is this your building?

12 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.

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

FiledCategoryStatusNumber
Class C12 open most often Fire Safety
Fire SafetyNotice sent17571629
Vermin / InfestationNotice sent to tenant17571626
Notice sent17571624
Fire SafetyNotice sent17565039
Vermin / InfestationNotice sent to tenant17565036
Fire SafetyNotice sent17353061
Fire SafetyNotice sent17353060
Vermin / InfestationNotice sent to tenant17353059
Notice sent16996864
Fire SafetyNotice sent16932478
Fire SafetyNotice sent16281392
Vermin / InfestationNotice sent to tenant16281386
Class B13 open most often Fire Safety
Fire SafetyCertified late17571628
Fire SafetyCertified late17571627
Fire SafetyCertified late17565038
Fire SafetyCertified late17565037
Fire SafetyCertified late17353058
Fire SafetyCertified late17353057
Notice sent17353056
Notice sent16967700
Certified late16932482
Fire SafetyCertified late16932479
Notice sent16281393
Fire SafetyCertified late16281388
Notice sent16281387

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Questions about this building

Does 6517 20 Avenue, Brooklyn have open violations?

Yes. 6517 20 Avenue, Brooklyn had 25 open violations on September 26, 2026: 25 from HPD. 12 are Class C, the class HPD treats as immediately hazardous.

Is 6517 20 Avenue, Brooklyn getting better or worse?

Open violations are sitting, with little movement either way. 12 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.

When was 6517 20 Avenue, Brooklyn built?

The city's record gives 1925 as the year 6517 20 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 3 floors.

How many apartments does 6517 20 Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 4 residential units at 6517 20 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 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 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, 6517 20th Ave, Brooklyn: 12 open Class C, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 26, 2026. https://violationscout.com/building/6517-20-avenue-brooklyn

How we count: /method.

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