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Building and Landlord Data Analysis Report

646 Classon Avenue, Brooklyn, NY 11238

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

Risk Assessment

98
Low Risk

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

Our AI predicts there is a 98% chance of no major maintenance issues.
Augrented Insights Report for 646 Classon Avenue

The three-story, six-unit Old Law Tenement building at 646 Classon Avenue in Crown Heights, owned by Laurie Kefalidis, has a documented history spanning over a decade from 2010 to 2025. The building, constructed in 1920, experienced a heat and hot water emergency complaint in October 2018 that was promptly investigated by the Department of Housing Preservation and Development, though no violations were found.

In terms of pest management, the building has maintained a clean record regarding bedbugs, with annual reports from 2020 through 2024 showing 0 infested units, 0 units requiring eradication, and no re-infestations. Recent rodent inspections have been consistently positive, with the latest three annual inspections from 2023 to 2025 passing without issues, while earlier inspections from 2010 revealed some rat activity and bait application requirements during that period.

The building's more recent history (2020-2025) shows consistent maintenance of acceptable living conditions, with no major complaints or violations on record. The property has successfully addressed historical pest control challenges from 2010, transitioning to regular inspections that demonstrate effective management of both rodent and bedbug prevention measures. The documented inspections and complaint history suggest an overall trend of improving building maintenance standards, particularly in addressing past pest-related concerns, with no recent complaints that would indicate current resident discomfort or safety issues.

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.

646 Classon Avenue Report Contents

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646 Classon Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Crown Heights.

Building Characteristics

Total units 6
Year built 1920
Total area 4600 sq ft
Floors 3
Tax Abatements None
Building Class OLD LAW TENEMENT
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Key Building Statistics

0
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
0
Housing Violations
Class B & C housing maintenance code violations.
1
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.
2
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 646 Classon Ave, New York, NY 11238
  • 648 Classon Ave, New York, NY 11238

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646 Classon 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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646 Classon Avenue Rent Control Status

Year Built
Built before 1974
Units
More than 6 units
RGB Registration
Registered
Tax Abatement
Tax abatement found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 >6 units Registered Found

Full Building Data for 646 Classon Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 646 Classon 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
2018-10-182018-10-22Heat/hot Water-Apartment OnlyEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 646 Classon 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
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311 Service Requests

Service requests made to 311 for 646 Classon Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2018-10-18 19:18HEAT/HOT WATERAPARTMENT ONLYClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 646 Classon Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
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DOB Violations

Department of Buildings violations regarding 646 Classon Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 646 Classon 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 646 Classon 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
2024-12-050002023-11-012024-10-31
2023-12-060002022-11-012023-10-31
2022-12-020002021-11-012022-10-31
2021-12-070002020-11-012021-10-31
2021-03-120002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 646 Classon Avenue. Data from NYC DOHMH.

DateTypeResult
2025-05-15InitialPassed
2024-05-14InitialPassed
2023-05-22InitialPassed
2010-12-02BAITBait applied
2010-10-13BAITBait applied
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HPD Litigation Explanation

The table below shows the HPD litigation records for 646 Classon 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 646 Classon 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 646 Classon 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 646 Classon 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 646 Classon 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 646 Classon 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 646 Classon 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 646 Classon Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 646 Classon 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 646 Classon Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 646 Classon Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 646 Classon 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 646 Classon Avenue Compares

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