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Building and Landlord Data Analysis Report

646 9th Avenue, Manhattan, NY 10036

2
DOB Complaints
1
311 Housing Calls
0
Housing Violations
3
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 646 9th Avenue

The 15-unit, 5-story tenement building at 646 9th Avenue in Hell's Kitchen, owned by Christine Debany, has experienced several significant maintenance and safety issues in recent years. Most concerning are the three active violations from July 2023 related to gas safety, including unauthorized gas dryer installations in the basement, improper gas line repairs, and the lack of a required automatic sprinkler system, for which penalties totaling $3,125 have been imposed.

The building has also faced multiple heat and hot water complaints, including a system-wide issue in July 2022 that required HPD intervention. The property has shown a pattern of bedbug-related violations between 2021-2024, though recent filings indicate no reported infestations in the past two filing periods (2024-2025 and 2025-2026). While rodent inspections have generally passed in recent years, there were notable rat activity incidents in mid-2022.

The building's gas utility issues emerged in July 2023, leading to an Oath violation. Historical data shows some maintenance improvements, as evidenced by multiple permit issuances in 2018 for unspecified work, suggesting ongoing property management engagement. The building's age (constructed in 1900) and designation as an Old Law Tenement are consistent with its character as a typical, though aging, Manhattan residential building.

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 9th Avenue Report Contents

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646 9th Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Hell's Kitchen.

Building Characteristics

Total units 15
Year built 1900
Total area 9090 sq ft
Floors 5
Tax Abatements None
Building Class OLD LAW TENEMENT
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Key Building Statistics

2
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.
3
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
5
Rodent Inspections
Rodent inspections conducted by DOHMH.
3
Building Permits
Permits issued by DOB in the last 7 years.

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646 9th 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 9th Avenue Rent Control Status

Year Built
Built before 1974
Units
More than 6 units
RGB Registration
Not registered
Tax Abatement
Tax abatement found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 >6 units Not registered Found

Full Building Data for 646 9th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 646 9th 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
2022-07-122022-07-13Heat/hot Water-Entire BuildingEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 646 9th 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
2024-04-01ACloseNoneNone(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
2023-03-15ACloseNoneNone(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 646 9th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2022-07-12 21:23HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 646 9th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
16427572023-07-10CLOSEDGas Utility Referral2023-07-18Oath Violation Served (2023-07-20)
15506782020-08-17CLOSEDEgress: - Locked/Blocked/Improper/No Secondary Means2020-08-18No Violation Warranted For Complaint At Time Of Inspection (2020-08-18)
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DOB Violations

Department of Buildings violations regarding 646 9th Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 646 9th 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 9th 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
2025-06-090002023-11-012024-10-31
2024-04-020002022-11-012023-10-31
2023-03-161102021-11-012022-10-31
2021-12-090002020-11-012021-10-31
2021-02-210002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 646 9th Avenue. Data from NYC DOHMH.

DateTypeResult
2025-07-10InitialPassed
2024-07-22InitialPassed
2023-06-30InitialPassed
2022-08-18ComplianceRat Activity
2022-07-18InitialRat Activity
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HPD Litigation Explanation

The table below shows the HPD litigation records for 646 9th 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 9th 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 9th Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2023-07-1839090439LAMETHYST W HOUSING CORPOBSERVED IN BASEMENT A FUTURE ON GAS LINE WHICH CONTRARY TO FGH 404.15, REPAIR AND/OR REPLACEACTIVE625.00.0
2023-07-1839090440ZAMETHYST W HOUSING CORPOBSERVED IN BASEMENT INSTALLED TWO GAS DRYERS ALL WORK COMPLETED NO PERMITS, OBTAIN ALL PERMITSACTIVE1250.00.0
2023-07-1839090441KAMETHYST W HOUSING CORPFAILURE TO MAINTAIN BUILDING IN CODE-COMPLAINT MANNER: LACK OF A SYSTEM OF AUTOMATIC SPRINKLERS WHERE REQUIRE PER BC 903.2; 27-954 I OBSERVED IN THE BASEMENT TWO GAS DRYERS AND NO SPRINKLER SYSTEM IN PLACE, PROACTIVE1250.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 646 9th 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 9th 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 9th 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 9th 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 9th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 646 9th 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 9th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 646 9th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 646 9th 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 9th Avenue Compares

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