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Building and Landlord Data Analysis Report

5106 6th Avenue, Brooklyn, NY 11220

4
DOB Complaints
5
311 Housing Calls
0
Housing Violations
0
Permits

Risk Assessment

97
Low Risk

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

Our AI predicts there is a 97% chance of no major maintenance issues.
Augrented Insights Report for 5106 6th Avenue

The three-story, three-unit building at 5106 6th Avenue in Sunset Park, owned by Guo Ai Lin, has experienced several concerning issues in recent years. Most notably, between 2020 and 2021, there were multiple health-related complaints regarding unsanitary conditions, including reports of pests, mold, and a rodent infestation. While Housing Preservation and Development (HPD) investigated these complaints, no violations were ultimately issued.

The building currently has three active Environmental Control Board (ECB) violations filed in 2022, including unpermitted gas line installations, illegal conversion to a four-family dwelling, failure to maintain proper safety requirements, and improper maintenance of the building's systems, with penalties totaling $10,250. The property also has ongoing concerns related to bedbug reporting compliance, with open violations from 2022, 2023, and 2024 regarding failure to file annual bedbug reports as required by HPD regulations. Additionally, there were safety violations in late 2020 regarding the need to post proper gas leak and carbon monoxide detector notices in common areas, though these were later certified as corrected.

A 2022 inspection revealed multiple significant safety violations, including improper gas line installations and a failure to maintain building systems in a code-compliant manner, particularly regarding water heater installation and storage practices. While these violations were initially marked as active, a subsequent inspection in 2022 resulted in some being dismissed, though others remain unresolved. The building's recent history suggests ongoing challenges with regulatory compliance and building maintenance, particularly regarding health and safety requirements.

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.

5106 6th Avenue Report Contents

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5106 6th Avenue Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 3
Year built 1905
Total area 2232 sq ft
Floors 3
Tax Abatements None
Building Class HEREAFTER CONVERTED CLASS A
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Key Building Statistics

4
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
0
Housing Violations
Class B & C housing maintenance code violations.
5
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
0
Work Orders
Repair orders issued by city agencies.
5
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
0
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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5106 6th 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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5106 6th Avenue Rent Control Status

Year Built
Built before 1974
Units
Less 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 5106 6th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 5106 6th 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
2021-09-132021-09-21Unsanitary Condition-PestsNon EmergencyCLOSE
2021-09-132021-09-21Unsanitary Condition-MoldEmergencyCLOSE
2021-09-132021-09-21Unsanitary Condition-PestsNon EmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 5106 6th 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
2024-04-03AOpenNoneNone(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
2022-02-18AOpenNoneNone(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
2021-04-05ACloseNoneNone(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
2020-12-28ACloseNoneNone§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING.2021-02-10T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 5106 6th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2021-09-13 10:44UNSANITARY CONDITIONPESTSClosedHPD
2021-09-13 10:44UNSANITARY CONDITIONPESTSClosedHPD
2021-09-13 10:44UNSANITARY CONDITIONMOLDClosedHPD
2020-08-05 19:21RodentCondition Attracting RodentsClosedDOHMH
2020-07-29 21:18RodentCondition Attracting RodentsIn ProgressDOHMH
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DOB Complaints

Department of Buildings complaints regarding 5106 6th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
38288242022-01-21CLOSEDConstruction Enforcement Work Order (DOB)2022-01-26No Violation Warranted For Complaint At Time Of Inspection (2022-01-27)
38287892022-01-21CLOSEDIllegal Conversion2022-01-21Partial Vacate Order Served (2022-01-21)
38287792022-01-21CLOSEDGas Utility Referral2022-01-21Oath Violation Served (2022-01-26)
38287142022-01-20CLOSEDGas Hook-Up/Piping – Illegal or Defective2022-01-21Please See Complaint Number (2022-01-24)
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DOB Violations

Department of Buildings violations regarding 5106 6th Avenue.

Date IssuedCategoryDescriptionStatusComments
2022-04-13V-DOB VIOLATION - ACTIVEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
2022-04-13V-DOB VIOLATION - ACTIVEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
2022-04-13V-DOB VIOLATION - ACTIVEFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION
2022-04-13V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONECB DISMISSED2022-08-05
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 5106 6th 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 5106 6th 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
2021-05-180002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 5106 6th Avenue. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 5106 6th 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 5106 6th 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 5106 6th Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2022-01-2139054704PGUO AI LINGAS BEING SUPPLIED TO BUILDING WITHOUT INSPECTION AND CERTIFICATION BY DOB I OBSERVED IN THE CELLAR FOR GAS SUPPLING GAS STOVE HOT WATER HEATER BOILER WITHOUT INSPECTION AND CERTIFICATION BY DOB, FILE FOR REQUIACTIVE5000.05000.0
2022-01-2139054705RGUO AI LINWORK WITHOUT A PERMIT I OBSERVED IN CELLAR INSTALLED A GAS LINE FOR A GAS STOVE BOILER HOT WATER HEATER WITHOUT A PERMIT ALSO INSTALLED KITCHEN SINK AND THREE PIECE BATHROOM WORK DONE 100 PERCENT UTILITY LOCKEDACTIVE1250.01250.0
2022-01-2139054708MGUO AI LINRESIDENCE CONVERTED FROM A LEGAL 3 FAMILY TO 4 FAMILY BY CREATING CLASS A APT AT CELLAR LEVEL. DOB RECORDS #B102622 INDICATES RESIDENCE AS A 3 FAMILY AND NOW CONVERTED AND OCCUPIED AS A 4 FAMILY BY CREATING CLAACTIVE2500.02500.0
2022-01-2139054706ZGUO AI LINFAILURE TO HAVE NEW OR ALTERED PLUMBING SYSTEM TESTED I OBSERVED IN CELLAR INSTALLED A GAS LINE FOR A GAS STOVE BOILER HOT WATER HEATER WITHOUT A PERMIT ALSO INSTALLED KITCHEN SINK AND THREE PIECE BATHROOM THERRESOLVE0.00.0
2022-01-2139054707KGUO AI LINFAILURE TO MAINTAIN BUILDING IN CODE COMPLAINT MANNER I OBSERVED IN THE CELLAR IN THE BOILER ROOM FOUR HOT WATER HEATERS AND NO TEMPERATURE RELIEF VALVE PIPED OUT ALSO USING BOILER ROOM AS STORAGE ROOM AND GASACTIVE1250.01250.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 5106 6th 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 5106 6th 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 5106 6th 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 5106 6th 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 5106 6th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 5106 6th 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 5106 6th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 5106 6th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 5106 6th 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 5106 6th Avenue Compares

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