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Building and Landlord Data Analysis Report

639 West End Avenue, Manhattan, NY 10025

4
DOB Complaints
3
311 Housing Calls
11
Housing Violations
15
Permits

Risk Assessment

96
Low Risk

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

Our AI predicts there is a 96% chance of no major maintenance issues.
Augrented Insights Report for 639 West End Avenue

639 West End Avenue is a 16-story, 63-unit New Law Tenement building constructed in 1927, currently owned by Christopher Alker. The building has faced recurring rodent issues, with multiple rat sightings reported between 2023 and 2025, though recent inspections in July 2025 and earlier in 2024 passed without violations. A significant heat and hot water outage affecting the entire building was reported and subsequently resolved in April 2023.

The building has an open Housing Maintenance Code violation from 2019 regarding a door preventing self-closing in the vestibule to the first floor public hall, along with several other open violations from 2019 related to fire safety equipment and electrical systems, including a broken window glass at the fifth floor fire stairs and unsafe electrical wiring conditions. The building's recent history shows some concerning maintenance patterns, including two bedbug infestations reported in 2023-2024, though earlier reports from 2019-2022 showed no such issues. There were also two environmental control board violations in 2020 regarding building maintenance and sprinkler installation, though these were resolved.

A notable series of violations from 2019 involved fire safety concerns, including missing fireproof self-closing doors, encumbrances in fire stairs, and electrical safety issues. The property has undergone various permitted work through the Department of Buildings, with multiple permits issued between 2019 and 2021 for electrical and plumbing work, including some related to emergency situations. More recently, there have been concerns about excessive debris (June 2024) and two active DOB violations from 2024 regarding swarming conditions and an unsafe report.

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.

639 West End Avenue Report Contents

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639 West End Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Upper West Side.

Building Characteristics

Total units 63
Year built 1927
Total area 88396 sq ft
Floors 16
Tax Abatements None
Building Class NEW LAW TENEMENT
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Key Building Statistics

4
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
11
Housing Violations
Class B & C housing maintenance code violations.
3
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
3
Work Orders
Repair orders issued by city agencies.
2
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
7
Rodent Inspections
Rodent inspections conducted by DOHMH.
15
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 301 West 91st St, New York, NY 10025
  • 639 West End Ave, New York, NY 10025

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639 West End 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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639 West End Avenue 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 639 West End Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 639 West End 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
2023-04-232023-04-25Heat/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 639 West End 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
2019-04-26BOpenNoneNone§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS, GARBAGE CANS, AND RECYCLE CANS AT ALL STORIES AT FIRE STAIRS, SECTION ''A''None
2019-04-26BOpenNoneNone§ 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE WIRE GLASS AT UPPSER SASH OF WINDOW AT 5TH STY AT FIRE STAIRS, SECTION ''A''None
2019-04-26CCloseNoneNone§ 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED BX CABLE AT EAST WALL OF INTERMEDIATE LANDING AT 1ST STY AT FIRE STAIRS, SECTION ''A''None
2019-04-26COpenNoneNone§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING FIRE PROOFSELF CLOSING DOOR 1ST STY AT FIRE STAIRS, SECTION ''A''None
2019-04-26CCloseNoneNone§ 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF KEY OPERATED LOCK INSTALLED AT DOOR AT 1ST STY AT FIRE STAIRS, SECTION ''B''None
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311 Service Requests

Service requests made to 311 for 639 West End Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-06-29 09:15RodentRat SightingClosedDOHMH
2024-05-09 14:20RodentRat SightingClosedDOHMH
2024-02-28 10:55RodentRat SightingClosedDOHMH
2023-04-23 20:43HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 639 West End Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
16697152024-06-06CLOSEDDebris – Excessive2024-06-24No Violation Warranted For Complaint At Time Of Inspection (2024-06-24)
15465802020-07-02CLOSEDPlumbing: Defective/Leaking/Not Maintained2020-07-02Oath Violation Served (2020-07-02)
15182652019-08-07CLOSEDConstruction Enforcement Work Order (DOB)2019-08-12Stop Work Order Fully Rescinded (2019-08-12)
15145242019-06-28CLOSEDPermit – None (Building/PA/Demo etc.)2019-08-28Stop All Work/no Tcao (temporary Certificate Of Approval And Operation) (2019-08-28)
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DOB Violations

Department of Buildings violations regarding 639 West End Avenue.

Date IssuedCategoryDescriptionStatusComments
2024-08-01V-DOB VIOLATION - ACTIVEFAILURE TO CORRECT SWARMP CONDITIONS
2024-02-21V-DOB VIOLATION - ACTIVECYCLE 9C UNSAFE REPORT FILED
2020-10-14V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONECB DISMISSED2021-07-30
2020-09-30V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION000810 PAID INVOICE 906689302022-06-08
2019-08-09V*-DOB VIOLATION - DISMISSEDBOROUGH COMMISSIONER ISSUED STOP WORK ORDER TO APPLICATION # 123110114 DUE TO CONTRACTOE WITHDRAWAL REMEDEY: PROVIDE ALL INFORMATION TO BOROUGH COMMISSIONEROK TO DISMISS DOB VIOLATION. SWO RESCINDED BY BORO COMMISSIONER.2019-08-12
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 639 West End 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 639 West End 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
2024-12-030002023-11-012024-10-31
2023-12-112202022-11-012023-10-31
2022-12-140002021-11-012022-10-31
2021-12-200002020-11-012021-10-31
2020-12-090002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 639 West End Avenue. Data from NYC DOHMH.

DateTypeResult
2025-07-01InitialPassed
2025-02-03InitialPassed
2024-06-27CompliancePassed
2024-03-27ComplianceRat Activity
2024-02-23InitialRat Activity
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HPD Litigation Explanation

The table below shows the HPD litigation records for 639 West End 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 639 West End 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 639 West End Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2020-07-0239024859M639 APARTMENT CORPFAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER ON 7/02/2020 AT APPROX.. 8:40AM I OBSERVED ACTIVE GAS PIPING RUNNING THROUGH THE ELEVATOR MACHINE ROOM IN THE CELLAR OF THE ABOVE MENTIONED ADDRESS WHICH ISRESOLVE1250.00.0
2020-07-0239024858KADVANCED P MECH & SPR CORSPRINKLER INSTALLATION NOT IN ACCORDANCE WITH CODE ON 07/02/2020 AT APPROX 8:40AM I OBSERVED A SPRINKLER SYSTEM INSTALLED IN THE LAUNDRY ROOM OF THE ABOVE MENTIONED ADDRESS OFF OF THE DOMESTIC WATER LINE EVEN TRESOLVE0.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 639 West End 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 639 West End 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 639 West End 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 639 West End 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 639 West End Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 639 West End 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 639 West End Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 639 West End Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 639 West End 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 639 West End Avenue Compares

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