Building and Landlord Data Analysis Report

251 West 123rd Street, Manhattan, NY 10027

1
DOB Complaints
2
311 Housing Calls
1
Housing Violations
0
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 251 West 123rd Street

The five-story converted old law tenement at 251 West 123rd Street in Harlem, currently owned by Beth Markowitz, has experienced several notable events and maintaining issues over recent years. The building has six open Housing Maintenance Code violations as of May 2021, primarily related to safety signage requirements including carbon monoxide detector notices, gas leak procedures, and smoke detector requirements, though one violation related to bedbug reporting was subsequently closed.

A heavy water leak incident was reported and inspected in April-May 2021, though no violations were found, and the building has previously experienced rodent sightings in 2020, with more recent inspections showing improved conditions. The building's rodent inspection results have generally been positive, with only one failure noted in September 2023 - "Failed for Other Reasons" - though no specific details were provided.

The property has successfully filed annual bedbug reports for the past three years (2022-2024) indicating zero infested units in each reporting period. A complaint about building shaking/vibrating was reported in May 2020 but was investigated and found to have no warranted violations. Most recent rodent inspections conducted in 2024 and early 2025 have passed, suggesting improved rodent control measures are in place.

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.

251 West 123rd Street Report Contents

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251 West 123rd StreetBuilding Overview

Renter Risk Rating

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

Building Characteristics

Total units 5
Year built 0
Total area 8778 sq ft
Floors 5
Tax Abatements None
Building Class CONVERTED OLD LAW TENEMENT
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Key Building Statistics

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

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251 West 123rd Street 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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251 West 123rd Street 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 251 West 123rd Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 251 West 123rd Street. 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
2021-04-142021-05-19Water Leak-Heavy FlowEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 251 West 123rd Street. 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
2021-05-18AOpenNoneNone§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING.None
2021-05-18AOpenNoneNone§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORYNone
2021-05-18AOpenNoneNone§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORYNone
2021-05-18COpenNoneNone§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM NO SIGN PRESENT AT PUBLIC HALL, 1st STORYNone
2021-05-18AOpenNoneNone§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX NO SIGN PRESENT AT PUBLIC HALL, 1st STORYNone
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311 Service Requests

Service requests made to 311 for 251 West 123rd Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2021-04-14 23:56WATER LEAKHEAVY FLOWClosedHPD
2020-06-17 18:01RodentRat SightingClosedDOHMH
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DOB Complaints

Department of Buildings complaints regarding 251 West 123rd Street.

Complaint #FiledStatusCategoryInspection DateDisposition
15438872020-05-26CLOSEDBuilding Shaking/Vibrating/Struct Stability Affected2020-05-26No Violation Warranted For Complaint At Time Of Inspection (2020-05-26)
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DOB Violations

Department of Buildings violations regarding 251 West 123rd Street.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 251 West 123rd Street. 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 251 West 123rd Street. 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
2024-12-110002023-11-012024-10-31
2023-12-210002022-11-012023-10-31
2022-12-210002021-11-012022-10-31
2021-12-020002020-11-012021-10-31
2021-11-170002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 251 West 123rd Street. Data from NYC DOHMH.

DateTypeResult
2025-03-12InitialPassed
2024-09-06InitialPassed
2024-03-01InitialPassed
2023-09-07InitialFailed for Other R
2023-03-06InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. 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 251 West 123rd Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 251 West 123rd Street. 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 251 West 123rd Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 251 West 123rd Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 251 West 123rd Street. 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 251 West 123rd Street Compares

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