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Building and Landlord Data Analysis Report

4909 12th Avenue, Brooklyn, NY 11219

0
DOB Complaints
22
311 Housing Calls
47
Housing Violations
0
Permits

Risk Assessment

90
Low Risk

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

Our AI predicts there is a 90% chance of no major maintenance issues.
Augrented Insights Report for 4909 12th Avenue

The three-story, three-unit building at 4909 12th Avenue in Borough Park, owned by Jacob Wertheiner, has experienced several significant maintenance issues over the past two years (2023-2025). Most notably, there have been recurring heat and hot water problems, with emergency complaints logged in December 2024, November 2024, and November 2023, affecting both individual apartments and the entire building.

The second-floor apartment (2F) has been the subject of multiple violations requiring attention, including issues with carbon monoxide and smoke detectors, water leaks, and damaged plaster surfaces documented in November 2024. There are also open violations related to pest infestation (specifically roaches) and the need for maintenance on self-closing doors in Apartment 2F.

The building's maintenance history shows three distinct heat/hot water complaints between 2023-2024 (one in December 2024 and two in November 2024), multiple plumbing issues including toilet problems, and several complaints about ceiling paint/plaster conditions in late 2023. The HPD conducted inspections in response to various complaints, with some violations issued for plumbing, plaster, and unsanitary conditions, particularly during a cluster of complaints in November 2023. While some issues have been resolved and certified as corrected, including certain violations from November 2024, there remain open violations as of January 2025 that require attention.

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.

4909 12th Avenue Report Contents

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4909 12th Avenue Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 3
Year built 1930
Total area 3300 sq ft
Floors 3
Tax Abatements None
Building Class HERETOFORE CONVERTED CLASS A
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Key Building Statistics

0
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
47
Housing Violations
Class B & C housing maintenance code violations.
22
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.
0
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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4909 12th 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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4909 12th 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 4909 12th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 4909 12th 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
2024-12-022024-12-05Heat/hot Water-Apartment OnlyEmergencyCLOSE
2024-11-122024-11-21Heat/hot Water-Entire BuildingEmergencyCLOSE
2023-11-282024-03-26Plumbing-ToiletNon EmergencyCLOSE
2023-11-282024-03-26Plumbing-ToiletEmergencyCLOSE
2023-11-282024-03-26Unsanitary 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 4909 12th 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
2024-11-14COpenNone2FHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2024-12-24T00:00:00.000Z
2024-11-14BCloseNone2F§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2025-01-02T00:00:00.000Z
2024-11-14BCloseNone2F§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2025-01-02T00:00:00.000Z
2024-11-14COpenNone2F§ 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 HINGES IN THE ENTRANCE LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2024-12-11T00:00:00.000Z
2024-11-14BCloseNone2F§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK NORTH WALL AND CEILING IN THE BATHROOM LOCATED AT APT 2F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2025-01-02T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 4909 12th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2024-12-02 14:43HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2024-11-12 17:33HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2023-12-29 15:26APPLIANCEELECTRIC/GAS RANGEClosedHPD
2023-11-28 14:54PLUMBINGTOILETClosedHPD
2023-11-28 14:54PLUMBINGTOILETClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 4909 12th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
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DOB Violations

Department of Buildings violations regarding 4909 12th Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 4909 12th 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 4909 12th 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
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Rodent Inspections

Recent rodent inspection results for 4909 12th Avenue. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 4909 12th 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 4909 12th 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 4909 12th 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 4909 12th 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 4909 12th 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 4909 12th 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 4909 12th 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 4909 12th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 4909 12th 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 4909 12th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 4909 12th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 4909 12th 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 4909 12th Avenue Compares

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