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Building and Landlord Data Analysis Report

649 51st Street, Brooklyn, NY 11220

1
DOB Complaints
18
311 Housing Calls
42
Housing Violations
0
Permits

Risk Assessment

91
Low Risk

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

Our AI predicts there is a 91% chance of no major maintenance issues.
Augrented Insights Report for 649 51st Street

649 51st Street is a 4-story, 19-unit New Law tenement building constructed in 1924 and currently owned by Hong Liu. The property has experienced recurring issues with its heating and hot water systems, particularly noticeable between 2021-2022 when multiple complaints were filed regarding these essential services affecting the entire building.

More recently, in 2024, there were electrical problems reported, including no lighting and issues with an electric/gas range, though HPD inspectors were unable to gain access for proper inspections. The building has also faced rodent issues, with multiple inspections in 2024 (February, March, June, and July) consistently showing rat activity. The property has several open violations of concern, including two from 2022 regarding air conditioner units improperly protruding from windows and obstructing fire escape access, and multiple Housing Maintenance Code violations related to bedbug reporting requirements from 2021-2024.

There were significant maintenance issues noted in early 2021, including problems with peeling paint and a rodent infestation in apartment 1C, and scalding hot water reported in apartment 2B. The building's management has a record of not allowing access to inspectors on multiple occasions, including recent 2024 complaints, and there is an active violation from 2019 regarding the failure to file an annual boiler inspection report. While some historical violations have been closed, the property continues to experience persistent maintenance challenges, particularly with its heating systems, electrical infrastructure, and pest control.

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.

649 51st Street Report Contents

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649 51st Street Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 19
Year built 1924
Total area 12560 sq ft
Floors 4
Tax Abatements None
Building Class NEW LAW TENEMENT
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Key Building Statistics

1
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
42
Housing Violations
Class B & C housing maintenance code violations.
18
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
4
Work Orders
Repair orders issued by city agencies.
0
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
6
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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649 51st Street 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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649 51st Street Rent Control Status

Year Built
Built before 1974
Units
More than 6 units
RGB Registration
Registered
Tax Abatement
None found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 >6 units Registered None

Full Building Data for 649 51st Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 649 51st Street. 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
2024-09-182024-10-03Appliance-Electric/gas RangeNon EmergencyCLOSE
2024-09-182024-10-03Electric-No LightingEmergencyCLOSE
2024-01-202024-01-22Electric-Power OutageImmediate EmergencyCLOSE
2022-05-022022-05-05Unsanitary Condition-Garbage/recycling StorageNon EmergencyCLOSE
2022-01-212022-01-27Heat/hot Water-Entire BuildingEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 649 51st Street. 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
2024-09-20CCloseNoneNone§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH SET AT PUBLIC HALL, 1st STORYNone
2024-04-08AOpenNoneNone(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.None
2023-03-20AOpenNoneNone(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.None
2022-05-04BOpenNoneNone§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF AIR CONDITIONER UNIT PROTRUDING MORE THAN 4 INCHES FROM THE WINDOW SILL AT THE BALCONY, SOUTH EAST STACK BUILDING FRONT AT FIRE ESCAPE, 4th STORYNone
2022-05-04BOpenNoneNone§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF AIR CONDITIONER UNIT PROTRUDING MORE THAN 4 INCHES FROM THE WINDOW SILL AT THE BALCONY, SOUTH EAST STACK BUILDING FRONT AT FIRE ESCAPE, 3rd STORYNone
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311 Service Requests

Service requests made to 311 for 649 51st Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2024-09-18 17:29ELECTRICNO LIGHTINGClosedHPD
2024-09-18 17:29APPLIANCEELECTRIC/GAS RANGEClosedHPD
2024-01-20 17:27ELECTRICPOWER OUTAGEClosedHPD
2022-05-02 16:58UNSANITARY CONDITIONGARBAGE/RECYCLING STORAGEClosedHPD
2022-01-21 09:52HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 649 51st Street.

Complaint #FiledStatusCategoryInspection DateDisposition
38338692022-03-02CLOSEDBuilding Shaking/Vibrating/Struct Stability Affected2022-03-02No Violation Warranted For Complaint At Time Of Inspection (2022-03-02)
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DOB Violations

Department of Buildings violations regarding 649 51st Street.

Date IssuedCategoryDescriptionStatusComments
2019-11-08V-DOB VIOLATION - ACTIVEVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 649 51st Street. 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 649 51st Street. 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
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Rodent Inspections

Recent rodent inspection results for 649 51st Street. Data from NYC DOHMH.

DateTypeResult
2024-07-26ComplianceRat Activity
2024-06-13InitialRat Activity
2024-03-20ComplianceRat Activity
2024-02-07InitialRat Activity
2010-04-29ComplianceFailed for Other R
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HPD Litigation Explanation

The table below shows the HPD litigation records for 649 51st Street. 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 649 51st Street. 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 649 51st Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 649 51st Street. 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 649 51st Street. 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 649 51st Street. 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 649 51st Street. 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 649 51st Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 649 51st Street. 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 649 51st Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 649 51st Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 649 51st Street. 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 649 51st Street Compares

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