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Building and Landlord Data Analysis Report

439 Jefferson Avenue, Brooklyn, NY 11221

1
DOB Complaints
77
311 Housing Calls
97
Housing Violations
0
Permits

Risk Assessment

83
Low Risk

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

Our AI predicts there is a 83% chance of no major maintenance issues.
Augrented Insights Report for 439 Jefferson Avenue

439 Jefferson Avenue is a 4-story, 8-unit residential building constructed in 1931, currently owned by Yosef Katz. The property has experienced persistent heat and hot water issues over the past two years, with ten documented emergency complaints between November 2023 and April 2025, some resulting in Housing Maintenance Code violations.

Notable violations include inadequate heating in Apartments 3 and 8 during December 2023 and December 2024 respectively, and a significant violation in December 2024 regarding locked access to the building's heating system in the basement. The building has also faced maintenance challenges, including a documented pest infestation (roaches) in Apartment 8 in December 2023, and multiple violations in 2024 related to defective self-closing doors in the boiler room and cellar. While there was a rodent activity issue noted in October 2022, subsequent inspections in June 2024 passed without any rat activity.

The property has maintained a zero record of bedbug infestations over the past four reporting periods from 2021 to 2024. An 2018 complaint regarding illegal conversion of the property was not resolved due to inspector access issues. Despite multiple service requests and inspections, some complaints required occupants to file new complaints for proper access or verification, indicating potential communication or access challenges during certain inspections.

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.

439 Jefferson Avenue Report Contents

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439 Jefferson Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Bedford-Stuyvesant.

Building Characteristics

Total units 8
Year built 1931
Total area 9920 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.
97
Housing Violations
Class B & C housing maintenance code violations.
77
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
1
Work Orders
Repair orders issued by city agencies.
0
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
1
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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439 Jefferson 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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439 Jefferson 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 439 Jefferson Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 439 Jefferson 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
2025-04-102025-04-12Heat/hot Water-Entire BuildingEmergencyCLOSE
2025-02-242025-02-27Heat/hot Water-Entire BuildingEmergencyCLOSE
2025-02-012025-02-04Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-12-162024-12-20Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-02-042024-08-27Unsanitary Condition-Garbage/recycling StorageNon EmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 439 Jefferson 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
2024-12-18CCloseNoneNone§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR TO BASEMENT AT PUBLIC HALL, 1st STORY2024-12-20T00:00:00.000Z
2024-12-18CCloseNone3§ 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-20T00:00:00.000Z
2024-06-21BCloseNoneNone§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF BICYCLE AND HOUSE HOLD ITEMS AT PUBLIC HALL, 4th STORY2024-07-29T00:00:00.000Z
2024-06-14CCloseNoneNone§ 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 AT BOILER ROOM, HINGES DEFECTIVE. AT CELLAR2024-07-03T00:00:00.000Z
2024-06-14CCloseNoneNone§ 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 AT ENTRANCE DOOR FROM STAIRS. HINGES DEFECTIVE. AT CELLAR2024-07-03T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 439 Jefferson Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-04-10 18:40HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2025-02-24 17:37HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2025-02-01 17:58HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-12-16 20:25HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-02-04 17:37UNSANITARY CONDITIONGARBAGE/RECYCLING STORAGEClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 439 Jefferson Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
36744032018-11-06CLOSEDIllegal Conversion2018-12-26Inspector Unable To Gain Access – 2nd Final Attempt (2018-12-28)
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DOB Violations

Department of Buildings violations regarding 439 Jefferson Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 439 Jefferson 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 439 Jefferson 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
2024-12-200002023-11-012024-10-31
2023-12-120002022-11-012023-10-31
2022-12-130002021-11-012022-10-31
2021-04-050002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 439 Jefferson Avenue. Data from NYC DOHMH.

DateTypeResult
2025-07-30InitialPassed
2024-06-21InitialPassed
2022-10-03InitialRat Activity
2019-12-06InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 439 Jefferson 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 439 Jefferson 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 439 Jefferson Avenue. 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 439 Jefferson 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 439 Jefferson 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 439 Jefferson 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 439 Jefferson 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 439 Jefferson Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 439 Jefferson 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 439 Jefferson Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 439 Jefferson Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 439 Jefferson 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 439 Jefferson Avenue Compares

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