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ViolationScout11 open Class C, with nothing filed or new in the last 180 days.Is this your building?
Buildings135 Clarkson Avenue, BrooklynCurrent through

135 Clarkson Ave, Brooklyn

BBL 3-05056-0083

En español: 11 violaciones de Clase C abiertas (peligro inmediato) y 12 abiertas en total. La más antigua del HPD lleva 4 años abierta, desde el 16 de julio de 2022.

Open violations are sitting, with little movement either way. 11 open Class C, with nothing filed or new in the last 180 days.

The oldest open HPD violation has been open 4 years, since July 16, 2022.

Since September 29, 2023, certifications were filed on 7 Class C violations, all 7 by the original certify-by date. How certification works

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11 open Class C. The oldest open HPD violation was filed July 16, 2022.

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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
2 active DOB violations, most of them for elevators. The newest was issued March 23, 2021.
Energy benchmarking
ENERGY STAR score 68 for 2024, against a median of 67 for Multifamily Housing that year.
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 January 21, 2026. Boilers in buildings with 6 or more apartments are inspected every calendar year.
Bedbug report
Filed December 1, 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.

FiledCategoryStatusNumber
Class C11 open most often Lead Paint
Lead PaintDefect letter sent16660331
Lead PaintDefect letter sent16660330
Lead PaintDefect letter sent16660329
Lead PaintDefect letter sent16660326
Lead PaintDefect letter sent16660325
Lead PaintNotice sent16603511
Lead PaintDefect letter sent16603302
Lead PaintDefect letter sent16603301
Lead PaintDefect letter sent16603300
Vermin / InfestationDefect letter sent16577943
The report lists all 11, each with the city's own words and the date on its notice. What the report adds
Class B1 open
MoldDefect letter sent16961847

The full report on 135 Clarkson Ave, Brooklyn

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The most common category among the open records here is lead paint.

Lead paint in Brooklyn

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Questions about this building

Does 135 Clarkson Avenue, Brooklyn have open violations?

Yes. 135 Clarkson Avenue, Brooklyn had 12 open violations on September 27, 2026: 12 from HPD. 11 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 4 years, since July 16, 2022.

Is 135 Clarkson Avenue, Brooklyn getting better or worse?

Open violations are sitting, with little movement either way. 11 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.

When were certifications filed on Class C violations at 135 Clarkson Avenue, Brooklyn?

Since September 29, 2023, certifications were filed on 7 Class C violations, all 7 by the original certify-by date. 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 135 Clarkson Avenue, Brooklyn have active DOB violations?

Yes. 2 active DOB violations, most of them for elevators. The newest was issued March 23, 2021. 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.

What is the ENERGY STAR score for 135 Clarkson Avenue, Brooklyn?

ENERGY STAR score 68 for 2024, against a median of 67 for Multifamily Housing that year. Buildings over 25,000 square feet report their energy use to the city every year under Local Law 84. The ENERGY STAR score runs from 1 to 100 and compares a building with similar ones nationwide; 50 is the national median. The score is the one the city publishes, and this page never estimates a Local Law 97 emissions penalty. A lot that reported several properties in one year is not scored here.

When was the boiler at 135 Clarkson Avenue, Brooklyn last inspected?

On January 21, 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 135 Clarkson Avenue, Brooklyn last file its bedbug report?

On December 1, 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 135 Clarkson 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 135 Clarkson 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 135 Clarkson Avenue, Brooklyn built?

The city's record gives 1928 as the year 135 Clarkson 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 135 Clarkson Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 58 residential units at 135 Clarkson 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, the Rent Guidelines Board's stabilized-building lists, Local Law 84 energy reports, 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, the Rent Guidelines Board's stabilized-building lists, Local Law 84 energy reports, 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, 135 Clarkson Ave, Brooklyn: 11 open Class C, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/135-clarkson-avenue-brooklyn

How we count: /method.

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