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ViolationScout23 open Class C, with nothing filed or new in the last 180 days.Is this your building?
Buildings521 West 150 Street, ManhattanCurrent through

521 West 150th St, Manhattan

BBL 1-02082-0120

En español: 23 violaciones de Clase C abiertas (peligro inmediato) y 57 abiertas en total. La más antigua del HPD lleva 13 años abierta, desde el 18 de septiembre de 2013.

Open violations are sitting, with little movement either way. 23 open Class C, with nothing filed or new in the last 180 days.

The oldest open HPD violation has been open 13 years, since September 18, 2013.

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23 open Class C. The oldest open HPD violation was filed September 18, 2013.

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HPD takes complaints from tenants through 311.

Alternative Enforcement Program
In HPD's Alternative Enforcement Program since January 31, 2022.
DOB violations
10 active DOB violations, most of them for low-pressure boilers. The newest was issued November 14, 2025.
DOB complaints
1 DOB complaint in the 12 months to September 25, 2026. It was filed April 29, 2026.

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

FiledCategoryStatusNumber
Class C23 open most often Vermin / Infestation
Notice sent18507872
Notice sent18507852
Fire SafetyNotice sent17425057
Fire SafetyNotice sent17425056
Fire SafetyNotice sent17425055
Heat / Hot WaterNotice sent17425054
Vermin / InfestationNotice sent to tenant17425051
Notice sent17425050
Vermin / InfestationNotice sent to tenant17255953
Vermin / InfestationNotice sent to tenant17231217
The report lists all 23, each with the city's own words and the date on its notice. What the report adds
Class B27 open most often Fire Safety
Structural HazardNotice sent18507887
Notice sent18507878
Notice sent18507874
Notice sent17425061
Fire SafetyNotice sent17425059
Fire SafetyNotice sent17425058
Notice sent17425052
Notice sent17255971
Notice sent17255961
Notice sent17231215
The report lists all 27, each with the city's own words and the date on its notice. What the report adds
OATH/ECB7 open most often Construction
Construction, Class 2Decided by default39187979N
Construction, Class 2Decided by default39187978L
Construction, Class 2Decided by default39124998K
Construction, Class 2Decided by default39124996R
Construction, Class 2Decided by default39111324L
Construction, Class 1Decided by default39111323J
Construction, Class 1Decided by default35656561J

The full report on 521 West 150th St, Manhattan

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Questions about this building

Does 521 West 150 Street, Manhattan have open violations?

Yes. 521 West 150 Street, Manhattan had 57 open violations on September 27, 2026: 7 from OATH/ECB and 50 from HPD. 23 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 13 years, since September 18, 2013.

Is 521 West 150 Street, Manhattan getting better or worse?

Open violations are sitting, with little movement either way. 23 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.

Is 521 West 150 Street, Manhattan in HPD's Alternative Enforcement Program?

Yes. In HPD's Alternative Enforcement Program since January 31, 2022. HPD puts a group of buildings with serious, long-running violations into the program each year. While a building is in it, HPD can make repairs itself and charge the cost to the property, and the building stays in until HPD discharges it.

Does 521 West 150 Street, Manhattan have active DOB violations?

Yes. 10 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.

Has DOB received complaints about 521 West 150 Street, Manhattan?

Yes. 1 DOB complaint in the 12 months to September 25, 2026. It was filed April 29, 2026. 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.

When was 521 West 150 Street, Manhattan built?

The city's record gives 1910 as the year 521 West 150 Street, 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 3 floors.

How many apartments does 521 West 150 Street, Manhattan have?

The Department of City Planning's PLUTO tax-lot file lists 11 residential units at 521 West 150 Street, 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 HPD's Alternative Enforcement Program list, DOB violations, DOB complaints 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 HPD's Alternative Enforcement Program list, DOB violations, DOB complaints 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, 521 West 150th St, Manhattan: violations, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/521-west-150-street-manhattan

How we count: /method.

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