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ViolationScout15 new Class C against 0 certifications filed in the last 180 days.Is this your building?
Buildings846 Prospect Place, BrooklynCurrent through

846 Prospect Pl, Brooklyn

BBL 3-01234-0023

En español: 104 violaciones de Clase C abiertas (peligro inmediato) y 240 abiertas en total. La más antigua del HPD lleva 32 años abierta, desde el 24 de enero de 1994.

New violations are coming in faster than certifications are filed. 15 new Class C against 0 certifications filed in the last 180 days.

The oldest open HPD violation has been open 32 years, since January 24, 1994.

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104 open Class C. The oldest open HPD violation was filed January 24, 1994.

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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.

Alternative Enforcement Program
In HPD's Alternative Enforcement Program since January 31, 2023.
DOB violations
21 active DOB violations, most of them for low-pressure boilers. The newest was issued November 14, 2025.
Housing court
1 open housing court case, opened May 19, 2025.
DOB complaints
2 DOB complaints in the 12 months to September 25, 2026. The newest was filed May 5, 2026.
Energy benchmarking
ENERGY STAR score 71 for 2023, against a median of 66 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 March 17, 2025. Boilers in buildings with 6 or more apartments are inspected every calendar year. Need this filed?
Bedbug report
Filed December 27, 2025, 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 C104 open most often Heat / Hot Water
Notice sent19253443
Notice sent19253433
Notice sent19253406
Notice sent19253386
Vermin / InfestationNotice sent to tenant19253308
Notice sent19253295
Vermin / InfestationNotice sent to tenant19033284ZB Prospect Realty LLC
Notice sent19033272ZB Prospect Realty LLC
Notice sent18996701ZB Prospect Realty LLC
Notice sent18996698ZB Prospect Realty LLC
The report lists all 104, each with the city's own words and the date on its notice. What the report adds
Class B134 open most often Fire Safety
Notice sent19253431
Notice sent19253426
Notice sent19253422
Notice sent19253411
Notice sent19253305
Notice sent19253299
Notice sent19033287ZB Prospect Realty LLC
Notice sent19033281ZB Prospect Realty LLC
Notice sent19033279ZB Prospect Realty LLC
Notice sent19033277ZB Prospect Realty LLC
The report lists all 134, each with the city's own words and the date on its notice. What the report adds
OATH/ECB2 open
Construction, Class 1Decided by default39188127HZB Prospect Realty LLC
Boilers, Class 2Decided by default39105946P

The full report on 846 Prospect Pl, Brooklyn

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

Heat and hot water in Brooklyn

Nearby buildings

Questions about this building

Does 846 Prospect Place, Brooklyn have open violations?

Yes. 846 Prospect Place, Brooklyn had 240 open violations on September 27, 2026: 238 from HPD and 2 from OATH/ECB. 104 are Class C, the class HPD treats as immediately hazardous. The oldest open HPD violation has been open 32 years, since January 24, 1994.

Is 846 Prospect Place, Brooklyn getting better or worse?

New violations are coming in faster than certifications are filed. 15 new Class C against 0 certifications filed 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 846 Prospect Place, Brooklyn in HPD's Alternative Enforcement Program?

Yes. In HPD's Alternative Enforcement Program since January 31, 2023. 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 846 Prospect Place, Brooklyn have active DOB violations?

Yes. 21 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.

Is 846 Prospect Place, Brooklyn in housing court?

Yes. 1 open housing court case, opened May 19, 2025. HPD takes buildings to housing court to get violations fixed and heat and hot water restored, and it joins tenants' own repair cases, called tenant actions. A case stays open until the court closes it.

Has DOB received complaints about 846 Prospect Place, Brooklyn?

Yes. 2 DOB complaints in the 12 months to September 25, 2026. The newest was filed May 5, 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.

What is the ENERGY STAR score for 846 Prospect Place, Brooklyn?

ENERGY STAR score 71 for 2023, against a median of 66 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 846 Prospect Place, Brooklyn last inspected?

On March 17, 2025. 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 846 Prospect Place, Brooklyn last file its bedbug report?

On December 27, 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 846 Prospect Place, 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.

When was 846 Prospect Place, Brooklyn built?

The city's record gives 1915 as the year 846 Prospect Place, 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 4 floors.

How many apartments does 846 Prospect Place, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 20 residential units at 846 Prospect Place, 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 HPD's Alternative Enforcement Program list, DOB violations, HPD's housing court cases, DOB complaints, 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 HPD's Alternative Enforcement Program list, DOB violations, HPD's housing court cases, DOB complaints, 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, 846 Prospect Pl, Brooklyn: 104 open Class C, from New York City's HPD violation and OATH/ECB hearing data. Figures through September 27, 2026. https://violationscout.com/building/846-prospect-place-brooklyn

How we count: /method.

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