Building and Landlord Data Analysis Report

8501 21st Avenue, Brooklyn, NY 11214

1
DOB Complaints
12
311 Housing Calls
20
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 8501 21st Avenue

8501 21st Avenue is a 3-story, 5-unit New Law tenement building in Bensonhurst, constructed in 1929 and currently owned by Chung Choi Kin. The building has experienced recurring heating and hot water issues, with tenant complaints documented in 2022 (affecting the entire building) and 2019 (affecting a single apartment), both of which were eventually resolved.

A cluster of maintenance issues emerged in January 2019, including violations related to ceiling paint/plaster, mold, a water leak, and problems with the building's bell/buzzer/intercom system, along with mailbox issues - though not all these complaints resulted in violations. The building underwent significant inspections in 2020-2021 related to lead paint safety, with violations issued requiring certification of compliance in Apartments 1 and 3. In 2022, violations were recorded regarding self-closing doors at the building entrance, though these were subsequently certified as corrected.

The Department of Building's records from 2022 show a complaint about vent/exhaust issues that was inspected but no violations were found at that time. While there was a violation issued in March 2020 regarding an unfiled boiler inspection, this record appears to be active without disposition comments as of October 2023. However, the building has maintained a clean bedbug record from 2019 through 2023, with no reported infestations during the past four filing periods, suggesting effective pest management practices.

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.

8501 21st Avenue Report Contents

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8501 21st AvenueBuilding Overview

Renter Risk Rating

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

Building Characteristics

Total units 5
Year built 1929
Total area 4320 sq ft
Floors 3
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.
20
Housing Violations
Class B & C housing maintenance code violations.
12
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.
0
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 8501 21st Ave, New York, NY 11214
  • 2102 85th St, New York, NY 11214

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8501 21st 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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8501 21st 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 8501 21st Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 8501 21st 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
2022-06-072022-06-12Heat/hot Water-Entire BuildingEmergencyCLOSE
2019-02-022019-02-04Heat/hot Water-Apartment OnlyEmergencyCLOSE
2019-01-232019-01-26Paint/plaster-CeilingEmergencyCLOSE
2019-01-232019-01-26Water Leak-Damp SpotNon EmergencyCLOSE
2019-01-232019-01-26Paint/plaster-CeilingNon EmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 8501 21st 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
2022-06-10ACloseNoneNone§ 27-2005 ADM CODE REFIT BUILDING FRONT ENTRANCE DOOR2022-09-16T00:00:00.000Z
2022-06-10CCloseNoneNone§ 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT BUILDING FRONT ENTRANCE DOOR2022-07-09T00:00:00.000Z
2021-04-06ACloseNoneNone(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
2021-03-03CCloseNone1§ 27-2056.8 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY SUBMITTING REQUIRED SUPPORTING DOCUMENTATION AND AFFIDAVITS FOR APARTMENT ... IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM NORTH AT EAST2021-03-18T00:00:00.000Z
2021-03-03CCloseNone3§ 27-2056.8 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY SUBMITTING REQUIRED SUPPORTING DOCUMENTATION AND AFFIDAVITS FOR APARTMENT ... IN THE ENTIRE APARTMENT LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST2021-03-18T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 8501 21st Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2022-06-07 23:13HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2019-02-02 13:06HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2019-01-24 09:56GENERALMAILBOXClosedHPD
2019-01-24 09:48HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2019-01-23 16:03GENERALBELL/BUZZER/INTERCOMClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 8501 21st Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
38281952022-01-16CLOSEDVent/Exhaust – Illegal/Improper2022-02-28No Violation Warranted For Complaint At Time Of Inspection (2022-02-28)
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DOB Violations

Department of Buildings violations regarding 8501 21st Avenue.

Date IssuedCategoryDescriptionStatusComments
2020-03-16V-DOB VIOLATION - ACTIVEVIOLATION ISSUED - FAILURE TO FILE 2017 EXTERNAL HIGH PRESSURE BOILER INSPECTION
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 8501 21st 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 8501 21st 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
2023-12-220002022-11-012023-10-31
2023-01-090002021-11-012022-10-31
2021-12-290002020-11-012021-10-31
2021-05-100002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 8501 21st Avenue. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 8501 21st 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 8501 21st 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 8501 21st 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 8501 21st 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 8501 21st 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 8501 21st 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 8501 21st 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 8501 21st Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 8501 21st 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 8501 21st Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 8501 21st Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 8501 21st 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 8501 21st Avenue Compares

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