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Building and Landlord Data Analysis Report

647 4th Avenue, Brooklyn, NY 11232

2
DOB Complaints
79
311 Housing Calls
47
Housing Violations
1
Permits

Risk Assessment

82
Low Risk

This building shows minimal signs of maintenance issues based on our analysis.

Our AI predicts there is a 82% chance of no major maintenance issues.
Augrented Insights Report for 647 4th Avenue

The 20-unit, 4-story tenement building at 647 4th Avenue in Sunset Park, owned by Mark Weinberger and constructed in 1921, has a documented history of maintenance issues and violations over recent years. The building has experienced recurrent heating and hot water problems, with emergency complaints in November 2023 and March 2024 regarding the entire building's systems, though no violations were ultimately issued.

More recent issues include two pest-related complaints in May 2025, which were inspected but found not to violate housing laws, and an earlier unsanitary condition complaint regarding garbage/recycling storage in January 2024. The building underwent multiple inspections in late 2023, resulting in documented violations for paint/plaster issues in both walls and ceilings, specifically affecting apartment 9, which also had documented pest infestation problems at that time. Historical data reveals patterns of pest and maintenance issues, including a period of heating system problems in late 2023, plumbing complaints in October 2023, and various pest-related complaints throughout 2022-2025.

The building's management has generally responded to violations, with records showing certification of correction for various issues, including the removal of wood desk encumbrances from the public hall and addressing pest infestations in apartment 9. The property has maintained compliance with bedbug reporting requirements since 2021, with the most recent report (for 2023-2024) showing no infested units, following a period of two infested units in 2022-2023 that were reported as eradicated. While the building has experienced periodic maintenance challenges typical of older tenements, particularly regarding heating systems and pest control, records indicate that most emergency complaints have been addressed promptly, often with no violations being issued upon inspection.

Last updated: July 27, 2025
This report is created with AI and based on the most recent 10 data items in each category. Full reports with 50+ data points are available to subscribers.

647 4th Avenue Report Contents

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647 4th Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Sunset Park.

Building Characteristics

Total units 20
Year built 1921
Total area 16000 sq ft
Floors 4
Tax Abatements None
Building Class NEW LAW TENEMENT
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Key Building Statistics

2
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
47
Housing Violations
Class B & C housing maintenance code violations.
79
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
1
Work Orders
Repair orders issued by city agencies.
1
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
4
Rodent Inspections
Rodent inspections conducted by DOHMH.
1
Building Permits
Permits issued by DOB in the last 7 years.

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647 4th Avenue Landlord Information

HPD Registration Contacts

Contact data is from NYC HPD building registration.

RoleNameAddress

Landlord Portfolio

Other NYC buildings registered to this landlord.

AddressUnitsCode ViolationsRisk Rating

Landlord Court Records

NYC housing court and civil court records. Name matching only; verify parties are actually the owners by reviewing the case files!

Date FiledCase TitleCourtLink
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647 4th Avenue Rent Control Status

Year Built
Built before 1974
Units
More than 6 units
RGB Registration
Not registered
Tax Abatement
None found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 >6 units Not registered None

Full Building Data for 647 4th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 647 4th Avenue. These complaints are related to conditions such as lack of heat, hot water, mold, pests, and other habitability issues. Class B and C violations are the most serious and may indicate significant problems with building maintenance or safety.

Date ReceivedSttatus DateCategoryTypeStatus
2025-05-202025-05-24Unsanitary Condition-PestsNon EmergencyCLOSE
2025-05-202025-05-24Unsanitary Condition-PestsNon EmergencyCLOSE
2024-03-122024-03-14Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-01-142024-03-14Unsanitary Condition-Garbage/recycling StorageNon EmergencyCLOSE
2023-11-282023-12-03Paint/plaster-CeilingImmediate EmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 647 4th Avenue. These violations are related to conditions such as lack of heat, hot water, mold, pests, and other habitability issues. Class B and C violations are the most serious and may indicate significant problems with building maintenance or safety.

Inspection DateClassStatusStatus DateApartmentNOV DescriptionCertified Date
2023-11-29ACloseNone9§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 9, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST2023-12-15T00:00:00.000Z
2023-11-29BCloseNone9§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WEST WALL IN THE KITCHEN LOCATED AT APT 9, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST2023-12-15T00:00:00.000Z
2023-11-29CCloseNone9HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 9, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST2023-12-15T00:00:00.000Z
2023-11-29CCloseNone9HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 9, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST2023-12-15T00:00:00.000Z
2023-11-29BCloseNoneNone§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF WOOD DESK AT PUBLIC HALL, 3rd STORY2023-12-15T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 647 4th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-05-20 02:46UNSANITARY CONDITIONPESTSClosedHPD
2025-05-20 02:46UNSANITARY CONDITIONPESTSClosedHPD
2024-03-12 12:41HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-01-14 14:06UNSANITARY CONDITIONGARBAGE/RECYCLING STORAGEClosedHPD
2023-11-28 19:56HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 647 4th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
38984742023-03-25CLOSEDSite Conditions Endangering Workers2023-03-25Complaint Referred To Housing Preservation And Development (hpd) (2023-03-25)
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DOB Violations

Department of Buildings violations regarding 647 4th Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 647 4th Avenue. The information includes the date, type, description, and status of each complaint. The data is sourced from DOHMH/311.

DateTypeDescriptionStatus
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Bedbug Infestations

The table below shows the bedbug reports filed by the landlord for 647 4th Avenue. The information includes the file date, infested units, eradicated units, re-infested units, filing start date, and filing end date. The data is sourced from DOHMH. Landlords are required to file these reports; missing data may indicate non-compliance.

File DateInfested UnitsEradicated UnitsRe-infested UnitsFiling Start DateFiling End Date
2024-12-120002023-11-012024-10-31
2023-12-292202022-11-012023-10-31
2023-05-020002021-11-012022-10-31
2022-05-250002020-11-012021-10-31
2021-07-140002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 647 4th Avenue. Data from NYC DOHMH.

DateTypeResult
2017-01-04InitialPassed
2016-08-27CompliancePassed
2016-07-28InitialRat Activity
2016-03-11InitialRat Activity
2012-03-01ComplianceFailed for Other R
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HPD Litigation Explanation

The table below shows the HPD litigation records for 647 4th Avenue. The information includes the open date, case type, status, judgement, penalty and whether harassment was found. The data is sourced from HPD.

Source: HPD
Open DateCase TypeStatusJudgementPenaltyHarassment found
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OATH Cases Explanation

The table below shows the Office of Administrative Trials and Hearings cases for 647 4th Avenue. The information includes the date, agency, respondent, charge, result, penalty, and status. The data is sourced from OATH.

Source: Office of Administrative Trials and Hearings (OATH)
DateAgencyRespondentChargeResultPenaltyStatus
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ECB Violations

Environmental Control Board violations for 647 4th Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2018-08-0935347296ZSLOPE ON 4TH LLCWORK W/O A PERMIT. NOTE: AT INSPECTION AN APPROX 3'X14' "BROTHERS PIZZA RESTAURANT" & 4'X12' "ONE STOP DELI & GRILL" BUSINESS ACCESSORY AWNING ACHORED TO BLDG. NO PERMIT PULL FOR WORK. REMEDY: OBTAIN PERMIT ORRESOLVE625.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 647 4th Avenue. The information includes the start date, start violations, discharge date, and status. The data is sourced from HPD.

Source: Department of Housing Preservation and Development (HPD)
Start DateStart ViolationsDischarge DateStatus
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Vacate Orders Explanation

The table below shows the vacate orders for 647 4th Avenue. The information includes the effective date, rescinded date, reason, type, and units. The data is sourced from DOB.

Source: Department of Buildings (DOB)
Effective DateRescinded DateReasonTypeUnits
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Work Orders Explanation

The table below shows the work orders for 647 4th Avenue. The information includes the date created, type, description, and charge. The data is sourced from HPD.

Source: Department of Housing Preservation and Development (HPD)
Date CreatedTypeDescriptionCharge
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Liens Explanation

The table below shows tax and water liens for 647 4th Avenue. Information includes tax class, month, water only flag, amount, and cycle. Data is sourced from NYC Department of Finance.

Source: NYC Department of Finance
Tax ClassMonthWater OnlyAmountCycle
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Case NumberDateTypeStatusDetails

Sales Records

Sales transactions for 647 4th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 647 4th Avenue. Data includes filing date, type, and status.

Start DateEnd DateStatusProcedureFloor

Fire Violations

Violations issued by the Fire Department for this property.

Violation NumberDateDescriptionStatus
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Fire Inspections

Fire Department inspection records for this property.

DateTypeResult
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Fire Certificates

Fire safety certificates for this property.

TypeIssue DateExpiration
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Water Connections

Water connection permits and records for 647 4th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 647 4th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 647 4th Avenue. Data includes violation date, type, and status.

DateTypeStatus

Planning Projects

City Planning (ZAP) project applications for this building. Data includes project ID, status, borough, and lot/block information.

Project IDStatusBoroughBlockLot
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Building Permits

Department of Buildings issued building permits for this property. This includes permits for construction, alteration, and demolition work. Data includes permit type, job number, status, and issue date.

Permit TypeJob NumberStatusIssue Date

Electrical Permits

Department of Buildings issued electrical permits for this property. This includes permits for electrical work, installations, and modifications. Data includes permit type, job number, status, and issue date.

Permit TypeJob NumberStatusIssue Date

How 647 4th Avenue Compares

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