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Building and Landlord Data Analysis Report

520 West End Avenue, Manhattan, NY 10024

11
DOB Complaints
13
311 Housing Calls
14
Housing Violations
0
Permits

Risk Assessment

95
Low Risk

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

Our AI predicts there is a 95% chance of no major maintenance issues.
Augrented Insights Report for 520 West End Avenue

520 West End Avenue is a five-story, 10-unit converted Class A residential building located in the Upper West Side, owned by Edmond Cohan and built in 1892. The building has experienced recurring maintenance issues over recent years, with the most recent being a heat/hot water complaint in May 2025.

The property has faced persistent water-related problems, as evidenced by multiple complaints and violations between 2023-2024, including issues with water supply, plumbing, and leaks in apartments 5 and 6. Notable infrastructure concerns include an active Environmental Control Board violation from March 2024 regarding exterior masonry facade deterioration, and housing violations from 2024 related to water leaks, flooring issues, and various repair needs in apartment 5.

The building's heating system has been a recurring problem, with multiple heat/hot water complaints in 2024 and 2025. Though there were several complaints about work being done without proper permits in 2022-2023, inspections reportedly found no violations at that time. The property has maintained a clean record regarding bedbugs and passed rodent inspections in 2023 and 2024, indicating effective pest management.

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.

520 West End Avenue Report Contents

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520 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 10
Year built 1892
Total area 8287 sq ft
Floors 5
Tax Abatements None
Building Class HERETOFORE CONVERTED CLASS A
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Key Building Statistics

11
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
14
Housing Violations
Class B & C housing maintenance code violations.
13
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
2
Work Orders
Repair orders issued by city agencies.
4
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
4
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 265 West 85th St, New York, NY 10024
  • 520 West End Ave, New York, NY 10024

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520 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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520 West End Avenue Rent Control Status

Year Built
Built before 1974
Units
More than 6 units
RGB Registration
Registered
Tax Abatement
None found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 >6 units Registered None

Full Building Data for 520 West End Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 520 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
2025-05-232025-05-25Heat/hot Water-Entire BuildingEmergencyCLOSE
2025-01-082025-01-08Door/window-Window PaneEmergencyOPEN
2024-08-152024-08-18Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-08-152024-08-18Plumbing-Water SupplyEmergencyCLOSE
2024-08-152024-08-18Plumbing-Water SupplyImmediate EmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 520 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
2024-05-26BOpenNone5§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHNone
2024-05-26BOpenNone5§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 5, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHNone
2024-04-26BOpenNone5§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE HARDWOOD FLOOR IN THE FOYER LOCATED AT APT 5, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHNone
2024-04-26COpenNone5§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 5, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH2024-05-13T00:00:00.000Z
2024-04-26CCloseNone5§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT 5, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH2024-05-23T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 520 West End Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-05-23 14:24HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2025-01-08 10:34DOOR/WINDOWWINDOW PANEOpenHPD
2024-08-15 12:17PLUMBINGWATER SUPPLYClosedHPD
2024-08-15 12:16PLUMBINGWATER SUPPLYClosedHPD
2024-08-15 12:10HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 520 West End Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
16620052024-03-08CLOSEDBuilding Shaking/Vibrating/Struct Stability Affected2024-03-10Oath Violation Served (2024-03-11)
16305952023-03-06CLOSEDWork Without a Permit – Occupied Multiple Dwelling2023-03-06No Violation Warranted For Complaint At Time Of Inspection (2023-03-06)
16291022023-02-14CLOSEDWork Without a Permit – Occupied Multiple Dwelling2023-02-14No Violation Warranted For Complaint At Time Of Inspection (2023-02-14)
16290992023-02-14CLOSEDSite Conditions Endangering Workers2023-02-14No Violation Warranted For Complaint At Time Of Inspection (2023-02-14)
16290942023-02-14CLOSEDWork Without a Permit – Occupied Multiple Dwelling2023-02-14No Violation Warranted For Complaint At Time Of Inspection (2023-02-14)
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DOB Violations

Department of Buildings violations regarding 520 West End Avenue.

Date IssuedCategoryDescriptionStatusComments
2023-02-24V-DOB VIOLATION - ACTIVE
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 520 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 520 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
2025-07-020002023-11-012024-10-31
2024-11-250002022-11-012023-10-31
2023-12-270002022-11-012023-10-31
2022-12-220002021-11-012022-10-31
2021-01-040002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 520 West End Avenue. Data from NYC DOHMH.

DateTypeResult
2024-08-20InitialPassed
2023-08-30InitialPassed
2022-06-03CompliancePassed
2022-04-27InitialRat Activity
2019-05-22InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 520 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 520 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 520 West End Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2024-03-1039108235M520 TOWNHOUSE LLCFAILURE TO MAINTAIN BUILDING WALLS & APPURTENANCES. AT TIME OF INSPECTION OBSERVED EXTERIOR MASONRY FACADE WITH CRACKS AT MULTIPLE LOCATIONS ALONG WITH MISSING MORTAR AT JOINTS ALLOWING ELEMENTS TO DETERIORATEACTIVE1250.00.0
2023-01-0635588215P520 TOWNHOUSE LLCFAILURE TO MAINTAIN.OBSERVED IN APT 5 WOOD FLOOR AT ENTRANCE FOYER NEEDS REPAIR SEVERAL CRACKS IN CEILING & WALLS DUE TO WATER.APT 6 THREE OPENINGS IN CEILING SEVERAL CRACKS IN WALLS & CEILING DUE TO WATER FLOOACTIVE310.0310.0
2022-12-0739075214P520 TOWNHOUSE LLCFAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER. NOTED ROOF GUTTER AT EXP #1 IS DEFECTIVE WITH DOWNSPOUT HAVING SEPARATED FROM STRAINER AT 3RD FLOOR ROOF ELEVATION. WATER IS BEING DISCHARGED TO EXTERIOR MRESOLVE1562.01562.0
2021-10-2739050167K520 TOWNHOUSE LLCCORROSION ON COIL HOT WATER PIPING AND WATER LEVEL GLASS ASSEMBLY-NO CLEANOUT AT CHIMNEY BASE-SIPHON FOR STEAM GAGE INSTALLED INCORRECTLY-FRESH AIR VENT FOR BOILER ROOM NOT COMMUNICATION DIRECTLY WITH OUTDOORS.RESOLVE1562.01562.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 520 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 520 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 520 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 520 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 520 West End Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 520 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 520 West End Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 520 West End Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 520 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 520 West End Avenue Compares

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