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Building and Landlord Data Analysis Report

143 North 9th Street, Brooklyn, NY 11249

3
DOB Complaints
0
311 Housing Calls
0
Housing Violations
6
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 143 North 9th Street

The three-story, six-unit tenement building at 143 North 9th Street in Williamsburg, owned by Marek Kaczor, has a mix of concerning recent complaints and ongoing violations that merit attention. Most notably, there appears to be a persistent issue with bedbug reporting compliance, with open violations cited during inspections in 2022, 2023, and 2024 regarding the failure to file annual bedbug reports as required by the Housing Maintenance Code.

The building has also received two active violations in 2024 and 2019 related to external low-pressure inspection and boiler inspection report filings, though the 2019 boiler violation was ultimately dismissed. In a significant cluster of incidents in June 2025, there were multiple complaints and violations involving unauthorized work, including six instances of work contrary to stop work orders, work without a permit in an occupied multiple dwelling, and tampering with posted notices.

While several inspections were unable to gain access, two resulted in partial stop work orders and oath violations being served. The Department of Buildings is currently investigating an active complaint regarding alleged illegal conversion. The building's permit history shows multiple work permits were issued in late 2018 and throughout 2019, suggesting some level of recent maintenance or improvements to the property, though no permits appear to have been issued in the past four years.

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.

143 North 9th Street Report Contents

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143 North 9th Street Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Williamsburg.

Building Characteristics

Total units 6
Year built 1910
Total area 4125 sq ft
Floors 3
Tax Abatements None
Building Class OLD LAW TENEMENT
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Key Building Statistics

3
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
0
Housing Violations
Class B & C housing maintenance code violations.
0
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
0
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.
6
Building Permits
Permits issued by DOB in the last 7 years.

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143 North 9th 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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143 North 9th Street Rent Control Status

Year Built
Built before 1974
Units
More 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 143 North 9th Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 143 North 9th 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
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 143 North 9th 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
2024-04-11AOpenNoneNone(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
2023-03-24AOpenNoneNone(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
2022-03-01AOpenNoneNone(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
2021-04-12AOpenNoneNone(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
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311 Service Requests

Service requests made to 311 for 143 North 9th Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
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DOB Complaints

Department of Buildings complaints regarding 143 North 9th Street.

Complaint #FiledStatusCategoryInspection DateDisposition
2025-06-28CLOSEDAfter Hours Work – Illegal2025-06-29No Violation Warranted For Complaint At Time Of Inspection (2025-06-29)
2025-06-26CLOSEDWork Contrary to Stop Work Order2025-06-30Inspector Unable To Gain Access – 2nd Final Attempt (2025-06-30)
2025-06-22CLOSEDWork Without a Permit – Occupied Multiple Dwelling2025-06-24Inspector Unable To Gain Access – 2nd Final Attempt (2025-06-24)
2025-06-17CLOSEDWork Contrary to Stop Work Order2025-06-18Inspector Unable To Gain Access – 2nd Final Attempt (2025-06-18)
2025-06-16CLOSEDWork Contrary to Stop Work Order2025-06-16Oath Violation Served (2025-06-16)
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DOB Violations

Department of Buildings violations regarding 143 North 9th Street.

Date IssuedCategoryDescriptionStatusComments
2024-09-23V-DOB VIOLATION - ACTIVEVIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
2019-11-08V*-DOB VIOLATION - DISMISSEDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORTCIANOW CRM Violation Dismissed2022-12-20
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 143 North 9th 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 143 North 9th 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 143 North 9th Street. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 143 North 9th 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 143 North 9th 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 143 North 9th 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 143 North 9th 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 143 North 9th 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 143 North 9th 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 143 North 9th 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 143 North 9th Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 143 North 9th 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 143 North 9th Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 143 North 9th Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 143 North 9th 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 143 North 9th Street Compares

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