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ViolationScout27 certifications filed against 2 new Class C in the last 180 days.Is this your building?
Buildings8633 21 Avenue, BrooklynCurrent through

8633 21st Ave, Brooklyn

BBL 3-06378-0019

En español: 17 violaciones de Clase C abiertas (peligro inmediato) y 23 abiertas en total. La más antigua del HPD lleva 5 años abierta, desde el 17 de marzo de 2021.

Certifications are being filed faster than new violations come in. 27 certifications filed against 2 new Class C in the last 180 days.

The oldest open HPD violation has been open 5 years, since March 17, 2021.

Since September 29, 2023, certifications were filed on 121 Class C violations: 114 by the original certify-by date, 7 after it. HPD now marks 3 of them False Certification. How certification works

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17 open Class C. The oldest open HPD violation was filed March 17, 2021.

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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.

DOB violations
7 active DOB violations, most of them for not benchmarking energy use. The newest was issued February 22, 2023.
DOB complaints
1 DOB complaint in the 12 months to September 25, 2026. It was filed December 25, 2025.
DOB facade
Rated Safe in the latest facade report, filed May 17, 2023 (inspection cycle 9).
Local Law 97
Covered under Article 321, the path for certain affordable housing and houses of worship (DOB's list, March 1, 2026).
Boiler inspection
Inspected June 9, 2026. Boilers in buildings with 6 or more apartments are inspected every calendar year.
Bedbug report
Filed December 4, 2025, for the year to October 31, 2025. Buildings with 3 or more apartments file one with HPD every year.
Rent stabilization
Has rent-stabilized apartments (2024 registration).

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 Fire Safety
Vermin / InfestationNotice sent to tenant19238530
Fire SafetyNo access to reinspect (first try)19177306FIESTA PARK ASSETS, LLC
Vermin / InfestationCertified late18333630FIESTA PARK ASSETS, LLC
Vermin / InfestationCertified late18333629FIESTA PARK ASSETS, LLC
Fire SafetyNot complied with17789596
Fire SafetyNot complied with17789594
Fire SafetyNot complied with17748076
Fire SafetyNot complied with17639399
Fire SafetyNot complied with17511707
Fire SafetyNot complied with17511705
The report lists all 17, each with the city's own words and the date on its notice. What the report adds
Class B6 open most often Fire Safety
Fire SafetyCIV14 mailed19177305FIESTA PARK ASSETS, LLC
Fire SafetyCIV14 mailed19177304FIESTA PARK ASSETS, LLC
CIV14 mailed19177302FIESTA PARK ASSETS, LLC
CIV14 mailed19177301FIESTA PARK ASSETS, LLC
Notice sent18330755FIESTA PARK ASSETS, LLC
Notice sent18330744FIESTA PARK ASSETS, LLC

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Questions about this building

Does 8633 21 Avenue, Brooklyn have open violations?

Yes. 8633 21 Avenue, Brooklyn had 23 open violations on September 27, 2026: 23 from HPD. 17 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 5 years, since March 17, 2021.

Is 8633 21 Avenue, Brooklyn getting better or worse?

Certifications are being filed faster than new violations come in. 27 certifications filed against 2 new Class C 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.

When were certifications filed on Class C violations at 8633 21 Avenue, Brooklyn?

Since September 29, 2023, certifications were filed on 121 Class C violations: 114 by the original certify-by date, 7 after it. HPD now marks 3 of them False Certification. A certification is the filing, dated when it was made, not HPD's acceptance of it. It is compared with the original certify-by date on the notice. A granted postponement moves that date and the city's data keeps only the first, so a certification counted after it may still have met a postponed date.

Does 8633 21 Avenue, Brooklyn have active DOB violations?

Yes. 7 active DOB violations, most of them for not benchmarking energy use. The newest was issued February 22, 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.

Has DOB received complaints about 8633 21 Avenue, Brooklyn?

Yes. 1 DOB complaint in the 12 months to September 25, 2026. It was filed December 25, 2025. Anyone can complain to DOB about a building or the work going on in it, and DOB then inspects and decides whether there is a violation. A conversion complaint says an apartment may have been added or changed without approval. It is a complaint, not a finding.

What did the latest facade report find at 8633 21 Avenue, Brooklyn?

Rated Safe in the latest facade report, filed May 17, 2023 (inspection cycle 9). Buildings taller than six stories must have their exterior walls inspected once in every inspection cycle under the city's Facade Inspection Safety Program (every five years under DOB's current rule), and each inspection report is filed with DOB as Safe, SWARMP (safe with a repair and maintenance program) or Unsafe. No Report Filed means DOB has no report for that cycle. The rating is from the latest filing and does not describe the facade today; DOB's page for the building shows anything filed since.

When was the boiler at 8633 21 Avenue, Brooklyn last inspected?

On June 9, 2026. DOB requires a boiler in a building with 6 or more apartments to be inspected once every calendar year, with the report filed within 14 days of the inspection. Low-pressure boilers in residential buildings with 5 or fewer apartments are exempt.

When did 8633 21 Avenue, Brooklyn last file its bedbug report?

On December 4, 2025, 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.

Is 8633 21 Avenue, Brooklyn covered by Local Law 97?

Yes. It is on DOB's Local Law 97 covered buildings list. Covered under Article 321, the path for certain affordable housing and houses of worship (DOB's list, March 1, 2026). Local Law 97 sets greenhouse gas limits for most New York City buildings over 25,000 square feet, and DOB's covered buildings list says which path each building is on. The list reflects DOB's records, which owners can ask DOB to correct. This page never estimates a penalty or says whether a building complies.

Is 8633 21 Avenue, Brooklyn rent stabilized?

The building has rent-stabilized apartments on its 2024 registration. That comes from the Rent Guidelines Board's list of buildings with at least one stabilized apartment registered that year. Buildings that registered late are left off, and a 421-a or J-51 building can leave stabilization when its tax benefit ends. A particular apartment's status is for NYS HCR to say.

When was 8633 21 Avenue, Brooklyn built?

The city's record gives 1962 as the year 8633 21 Avenue, Brooklyn was built, in the Department of City Planning's PLUTO tax-lot file. The same file classes it as an elevator apartment building with 6 floors.

How many apartments does 8633 21 Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 120 residential units at 8633 21 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, DOB complaints, the Rent Guidelines Board's stabilized-building lists, DOB facade filings, DOB boiler inspection reports, HPD's annual bedbug reports, DOB's Local Law 97 covered buildings list 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, DOB complaints, the Rent Guidelines Board's stabilized-building lists, DOB facade filings, DOB boiler inspection reports, HPD's annual bedbug reports, DOB's Local Law 97 covered buildings list 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, 8633 21st 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/8633-21-avenue-brooklyn

How we count: /method.

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