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ViolationScout10 open Class C, with 3 certifications filed and 3 new Class C in the last 180 days, too few to call a direction.Is this your building?
Buildings11 St Nicholas Avenue, ManhattanCurrent through

11 St Nicholas Ave, Manhattan

BBL 1-01821-0025

En español: 10 violaciones de Clase C abiertas (peligro inmediato) y 15 abiertas en total. La más antigua del HPD lleva 53 años abierta, desde el 5 de septiembre de 1973.

Open violations are sitting, with little movement either way. 10 open Class C, with 3 certifications filed and 3 new Class C in the last 180 days, too few to call a direction.

The oldest open HPD violation has been open 53 years, since September 5, 1973.

Since September 29, 2023, certifications were filed on 12 Class C violations: 8 by the original certify-by date, 4 after it. How certification works

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10 open Class C. The oldest open HPD violation was filed September 5, 1973.

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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
8 active DOB violations, most of them for low-pressure boilers. The newest was issued June 20, 2023.
Energy benchmarking
ENERGY STAR score 69 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).
Bedbug report
Filed January 29, 2026, for the year to October 31, 2025. Buildings with 3 or more apartments file one with HPD every year.

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 C10 open most often Heat / Hot Water
Heat / Hot WaterCIV14 mailed1917896911-15 ST. NICHOLAS AVENUE HDFC
Heat / Hot WaterCertified on time1917896811-15 ST. NICHOLAS AVENUE HDFC
Heat / Hot WaterCIV14 mailed1917896711-15 ST. NICHOLAS AVENUE HDFC
Vermin / InfestationNot complied with1823981111-15 ST. NICHOLAS AVENUE HDFC
Certified late1820694811-15 ST. NICHOLAS AVENUE HDFC
Vermin / InfestationNot complied with1820694611-15 ST. NICHOLAS AVENUE HDFC
Notice sent16666186
Heat / Hot WaterInvalid certification16658194
Vermin / InfestationInvalid certification16557662
Notice sent16300147
Class B5 open most often Fire Safety
Notice sent16666187
Fire SafetyInvalid certification16557661
Fire SafetyInvalid certification16557660
Invalid certification16542419
Certified late16300148

The full report on 11 St Nicholas Ave, Manhattan

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The most common category among the open records here is heat and hot water.

Heat and hot water in Manhattan

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Questions about this building

Does 11 St Nicholas Avenue, Manhattan have open violations?

Yes. 11 St Nicholas Avenue, Manhattan had 15 open violations on September 27, 2026: 15 from HPD. 10 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 53 years, since September 5, 1973.

Is 11 St Nicholas Avenue, Manhattan getting better or worse?

Open violations are sitting, with little movement either way. 10 open Class C, with 3 certifications filed and 3 new Class C in the last 180 days, too few to call a direction. 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 11 St Nicholas Avenue, Manhattan?

Since September 29, 2023, certifications were filed on 12 Class C violations: 8 by the original certify-by date, 4 after it. 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 11 St Nicholas Avenue, Manhattan have active DOB violations?

Yes. 8 active DOB violations, most of them for low-pressure boilers. The newest was issued June 20, 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.

What is the ENERGY STAR score for 11 St Nicholas Avenue, Manhattan?

ENERGY STAR score 69 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 did 11 St Nicholas Avenue, Manhattan last file its bedbug report?

On January 29, 2026, 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 11 St Nicholas Avenue, Manhattan 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.

When was 11 St Nicholas Avenue, Manhattan built?

The city's record gives 1900 as the year 11 St Nicholas Avenue, Manhattan 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 5 floors.

How many apartments does 11 St Nicholas Avenue, Manhattan have?

The Department of City Planning's PLUTO tax-lot file lists 36 residential units at 11 St Nicholas Avenue, Manhattan. 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, Local Law 84 energy 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, Local Law 84 energy 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, 11 St Nicholas Ave, Manhattan: violations, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/11-st-nicholas-avenue-manhattan

How we count: /method.

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