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851 Hart Street, Brooklyn, NY 11237

Built 1931 · 3-story walk-up · 6 apartments

Tenant reviews
None yetLived here? Reviews open soon.
Open violations
None openNo open housing violations on record.
Public record
Updated yesterdayFrom the city’s own data (, 311, the courts), refreshed nightly.

Violations issued each year

None issued since 2022. 8 violations before that, the first in 2007.

See every violation
Inspector last found a problem
26 Apr 2021 (visits that find nothing are not published)
What do these labels mean?
Tenant-reported
A resident's firsthand account of living here, moderated before it publishes, and labelled with whether we verified they lived there.
Official violation
A city inspector visited and recorded a code violation. HPD's own words, and its own hazard class.
Public complaint
A complaint somebody made to a city system, through HPD or 311. A report, not a finding: nobody has necessarily inspected it.
Public filing
A permit, a registration, a bedbug report: a document the owner filed with the city because the law requires it.
Court record
A Housing Court case HPD brought against the owner, or an eviction a city marshal carried out. A court's record: a case is an allegation until it ends in a finding.
Insufficient data
Not enough current information here to infer a pattern either way.

Tenant reviews

Tenant-reported

No tenant reviews yet. Lived here? Be the first.

Nothing above this section came from a tenant. It is all filed by the city, which means it only holds what somebody reported and an inspector wrote down, not what it is actually like to live here.

Not open yet. Reviews open when this neighbourhood does.

Heat season

No heat or hot-water complaints or violations were recorded here last winter (2025–26). That is the city's record: it only holds what somebody reported.

WinterDaysComplaintsViolations
2025–26000

The rules, 1 October to 31 May: from 6am to 10pm, when it is below 55°F outside, the apartment must be at least 68°F; overnight it must be at least 62°F whatever the weather. Hot water must be at least 120°F all year. A tenant without heat can report it to 311.

Rent stabilization

Public filing

This building is not on the state's list of buildings with rent-stabilized apartments for 2024. That is not proof none are: an owner who did not register is missing from the list too.

Source: Rent Guidelines Board building list, from the state's 2024 registrations. To know about one apartment, a tenant can ask the state for its rent history through Ask HCR.

City violations

Official violation

Nothing open. 17 violations in the record, all of them closed.

8 closed violations, plus 9 closed paperwork filings

Closed means HPD recorded the violation as corrected, or dismissed it. Both appear here, because the difference matters and only HPD’s own status line says which it was.

  • 2011, 2012 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the construction materials at cellar

    Issued 26 Apr 2021Violation dismissed 11 Aug 2021Garbage and cleanliness§ 27-2010

  • Provide ready access to buildings heating system lock boiler room at cellar

    Issued 8 Nov 2010Violation closed 26 Apr 2021Heat and hot water§ 27-2033

  • Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system no notice posted

    Issued 18 Mar 2007Violation closed 26 Apr 2021Heat and hot water§ 27-2033

  • Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system post notice at boiler room door

    Issued 18 Mar 2007Violation closed 26 Apr 2021Heat and hot water§ 27-2033

  • Repair the broken or defective plastered surfaces and paint in a uniform color around windows in the 1st room from north, 2nd story

    Issued 27 Feb 2016Violation closed 2 Jun 2020Doors and windows§ 27-2005

  • Provide an adequate supply of gas to the fixtures at gas range in the kitchen, 3rd story

    Issued 30 Oct 2010Violation closed 2 Jun 2020Appliances§ 27-2070

  • Provide an adequate supply of gas to the fixtures for cooking, in the kitchen, 3rd story

    Issued 24 Oct 2010Violation closed 2 Jun 2020§ 27-2070

  • Provide hot water at all hot water fixtures in the entire apartment, 3rd story

    Issued 24 Oct 2010Violation closed 2 Jun 2020Heat and hot water§ 27-2031

17 violations on record in total, 0 of them open. The count at the top of this page counts habitability violations only.

Complaints to the city

Public complaint

Complaints are reports made to the city. They are not confirmed findings. They come from HPD and from 311, and the same problem can appear more than once if more than one neighbour called.

1 complaint in three years, 1 of them in the last twelve months.

  • Pests1 / 1

Last twelve months / last three years. The solid part of each bar is the last twelve months.

Court records

Court record

Housing Court cases

Cases the city’s housing department (HPD) brought against the owner, usually to force repairs or restore heat. A case is an allegation; where the court recorded an outcome, it is shown.

4 cases, all closed.

  • Failure to Register Only

    Opened 28 Mar 2016

  • Heat and Hot Water

    Opened 8 Nov 2010

  • Comprehensive

    Opened 7 Feb 2008

  • Failure to Register Only

    Opened 6 Dec 2005

Evictions

Residential evictions carried out by a city marshal since 2017. Most follow a case for unpaid rent, so a count here is not by itself a finding about the building or the landlord. We show how many, never which apartment.

No marshal evictions recorded at this building since 2017.

Filings

Public filing

Building permits

No DOB permits filed for this building in the last five years.

Annual bedbug report

Every multiple dwelling in New York must file this once a year. A report of zero infested units is good news. No report is not: failing to file is itself a violation.

  • 2025No infested units reported (2024 report)
Show 6 earlier reports
  • 2024No infested units reported (2023 report)
  • 2023No infested units reported (2022 report)
  • 2023No infested units reported (2021 report)
  • 2022No infested units reported (2021 report)
  • 2021No infested units reported (2020 report)
  • 2021No infested units reported (2019 report)

Ownership and management

Public filing

Associations come from registration records and may be incomplete. Owners register with HPD once a year, so a change of hands can go unrecorded for a full cycle.

  • Owner of record and managing agent

    851 HART OWNER LLC

    Public records list 851 HART OWNER LLC as the owner of record and the registered managing agent for this address as of 17 Jun 2026. Source: HPD registration.

Wrong company, wrong date, or a change that is not reflected here? Report a correction.

What to ask at the viewing

Drawn from this building’s record above. They are questions, not conclusions: the point is to find out, in the twenty minutes you get inside, what the public record cannot tell you.

  1. There was 1 pest complaint here in the last twelve months. The owner has filed a bedbug report for this building (most recently for the year ending 2025). Ask when the building was last treated, how often an exterminator comes, and whether treatment covers the whole line of apartments or only the one that complained.
  2. Ask what the deposit is, exactly what can be deducted from it, and how and when it comes back.
  3. Ask who to call when something breaks, what happens after hours and at weekends, and how long a repair normally takes.

Ask for anything that matters in writing; an email after the viewing is enough. We are not your lawyer and this is not legal advice.

Questions about this building

BBL 3032200046 · Block 3220, Lot 46 · Building class C2