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Building and Landlord Data Analysis Report

339 5th Avenue, Brooklyn, NY 11215

1
DOB Complaints
17
311 Housing Calls
1
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 339 5th Avenue

339 5th Avenue is a 6-unit, 4-story New Law Tenement building located in Park Slope, Brooklyn, owned by Diep Ngo and constructed in 1920. The building's recent history has been marked by several notable incidents, with the most concerning being a heat/hot water emergency reported in June 2025.

The property has experienced multiple rodent-related complaints between 2019 and 2025, though inspections generally resulted in passing grades, including a March 2023 inspection that found no violations. The building has maintained consistent bedbug reporting compliance since 2020, with zero infestations reported in the past five years. The building has faced several maintenance challenges, including a water leak emergency in late 2019, and violations related to fire escape conditions and safety notices in 2018.

Notably, there appears to be an active violation from April 2023 regarding the failure to file the 2022 external low-pressure inspection. More recent developments include the issuance of an exterior work permit in September 2024, suggesting ongoing maintenance efforts by the ownership. While the property has experienced recurring rodent sightings, the frequency and resulting inspections indicate some level of responsive management, with most recent inspections showing improved conditions.

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.

339 5th Avenue Report Contents

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339 5th Avenue Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 6
Year built 1920
Total area 6260 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.
1
Housing Violations
Class B & C housing maintenance code violations.
17
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
0
Work Orders
Repair orders issued by city agencies.
1
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
8
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 308 4th St, New York, NY 11215
  • 310 4th St, New York, NY 11215
  • 339 5th Ave, New York, NY 11215

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339 5th 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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339 5th Avenue 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 339 5th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 339 5th 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
2025-06-302025-07-03Heat/hot Water-Entire BuildingEmergencyCLOSE
2019-10-192019-11-13Water Leak-Heavy FlowEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 339 5th 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
2023-03-17ACloseNoneNone(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
2018-04-19CCloseNoneNone§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING GUARD RAIL AT 3 AND 4 STORIES BALCONIES AT FIRE ESCAPE AT BUILDING FRONT2018-05-05T00:00:00.000Z
2018-04-19ACloseNoneNone§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED2018-06-20T00:00:00.000Z
2018-04-19ACloseNoneNone§ 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.2018-06-20T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 339 5th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-03-15 15:34Food EstablishmentPet/AnimalClosedDOHMH
2023-02-26 20:17RodentRat SightingClosedDOHMH
2022-06-14 22:30RodentSigns of RodentsClosedDOHMH
2022-03-07 23:59RodentRat SightingClosedDOHMH
2022-02-16 00:32RodentRat SightingClosedDOHMH
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DOB Complaints

Department of Buildings complaints regarding 339 5th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
36740332018-11-02CLOSEDBoiler: Defective/Inoperative/No Permit2018-11-02Oath Violation Served (2018-11-05)
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DOB Violations

Department of Buildings violations regarding 339 5th Avenue.

Date IssuedCategoryDescriptionStatusComments
2023-04-25V-DOB VIOLATION - ACTIVEVIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 339 5th 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 339 5th 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
2025-01-130002023-11-012024-10-31
2024-03-180002022-11-012023-10-31
2021-12-100002020-11-012021-10-31
2020-12-080002019-11-012020-10-31
2019-12-030002018-11-012019-10-31
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Rodent Inspections

Recent rodent inspection results for 339 5th Avenue. Data from NYC DOHMH.

DateTypeResult
2023-03-06InitialPassed
2022-08-10InitialPassed
2022-02-17InitialPassed
2019-11-15InitialPassed
2019-10-24CompliancePassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 339 5th 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 339 5th 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 339 5th Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2018-11-0239000707RTRINACRIA REALTY LLCMXING VALVE IS MISSING THE COLD WATER THERMO LOOP+THE HW TEMPERATURE GAUGE-THE COIL SAFETY VALVE IS MISSING THE DISCHARGE PIPE-BOTH BLOW DOWN VALVES ARE CORRODEDRESOLVE312.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 339 5th 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 339 5th 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 339 5th 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 339 5th 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 339 5th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 339 5th 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 339 5th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 339 5th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 339 5th 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 339 5th Avenue Compares

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