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Building and Landlord Data Analysis Report

528 West 123rd Street, Manhattan, NY 10027

7
DOB Complaints
611
311 Housing Calls
201
Housing Violations
0
Permits

Risk Assessment

67
Low Risk

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

Our AI predicts there is a 67% chance of no major maintenance issues.
Augrented Insights Report for 528 West 123rd Street

528 West 123rd Street is a 5-story, 41-unit Old Law Single Room Occupancy building constructed in 1901 and currently owned by Rafal Markwat. The building has experienced ongoing heating and water issues, particularly during 2024, with multiple complaints and violations related to building-wide heat and hot water problems, including emergency complaints in December 2024 and May 2024.

There are also significant maintenance concerns, with numerous open violations as of December 2024 related to building systems and infrastructure, including issues with fire escape maintenance, water supply problems, and door/window conditions. The property has active violations from 2024 including the need to replace or repair defective self-closing doors, address fire escape maintenance issues, and correct various structural and safety concerns documented through Housing Maintenance Code Violations. The building has been subject to repeated heat and water-related complaints throughout 2024, with several complaints being duplicates of existing issues.

There are also persistent pest control concerns, with recent rodent activity documented in 2024-2025 inspections despite bait applications. The building's maintenance history shows a pattern of heating system challenges, as evidenced by multiple 311 complaints and HPD violations. Previous years had complaints regarding various building systems, including several Department of Buildings complaints about boiler issues in 2021-2022, though these were ultimately closed with no violations warranted.

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.

528 West 123rd Street Report Contents

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528 West 123rd Street Building Overview

Renter Risk Rating

This building is in the riskiest 40% of buildings in Morningside Heights.

Building Characteristics

Total units 41
Year built 1901
Total area 12780 sq ft
Floors 5
Tax Abatements None
Building Class OLD LAW SINGLE ROOM OCCUPANCY
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Key Building Statistics

7
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
201
Housing Violations
Class B & C housing maintenance code violations.
611
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
12
Work Orders
Repair orders issued by city agencies.
6
ECB Violations
Environmental Control Board violations on record.
7
Evictions
Evictions executed by city marshalls.
49
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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528 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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528 West 123rd Street 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 528 West 123rd Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 528 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
2024-12-012024-12-05Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-12-032024-12-05Heat/hot Water-Entire BuildingEmergencyCLOSE
2024-05-132024-05-24Plumbing-Water SupplyNon EmergencyCLOSE
2024-05-132024-05-24Door/window-DoorEmergencyCLOSE
2024-05-232024-05-24Heat/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 528 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
2024-12-04COpenNoneNone§ 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 LATCH SET AT BUILDING ENTRANCE DOORNone
2024-05-11BOpenNoneNone§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE HOLES AT METAL CORNICE AT ROOF AT BUILDING FRONTNone
2024-05-11AOpenNoneNone§ 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT FIRE ESCAPE AT BUILDING FRONT, ALL STORIES & ALL COMPONENTSNone
2024-05-11BOpenNoneNone§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT EAST WALL AT VESTIBULE , 1st STORYNone
2024-05-11AOpenNoneNone§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT EAST WALL AT VESTIBULE , 1st STORYNone
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311 Service Requests

Service requests made to 311 for 528 West 123rd Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2024-12-03 07:16HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-12-01 12:02HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-05-23 11:31HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2024-05-13 16:12PLUMBINGWATER SUPPLYClosedHPD
2024-05-13 16:12DOOR/WINDOWDOORClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 528 West 123rd Street.

Complaint #FiledStatusCategoryInspection DateDisposition
16244492022-12-13CLOSEDBoiler: Defective/Inoperative/No Permit2022-12-22No Violation Warranted For Complaint At Time Of Inspection (2022-12-22)
15979402022-04-19CLOSEDBoiler: Defective/Inoperative/No Permit2022-04-21No Violation Warranted For Complaint At Time Of Inspection (2022-04-21)
15815522021-09-10CLOSEDPosted Notice or Order Removed/Tampered With2021-09-14No Violation Warranted For Complaint At Time Of Inspection (2021-09-14)
15809432021-09-01CLOSEDPosted Notice or Order Removed/Tampered With2021-09-02No Violation Warranted For Complaint At Time Of Inspection (2021-09-02)
15806392021-08-28CLOSEDAfter Hours Work – Illegal2023-09-22Stop Work Order Fully Rescinded (2023-09-22)
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DOB Violations

Department of Buildings violations regarding 528 West 123rd Street.

Date IssuedCategoryDescriptionStatusComments
2021-11-24V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION000810 PAID INVOICE 907709022023-07-11
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 528 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 528 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
2025-02-170002023-11-012024-10-31
2023-12-280002022-11-012023-10-31
2023-04-030002021-11-012022-10-31
2022-02-210002020-11-012021-10-31
2021-07-190002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 528 West 123rd Street. Data from NYC DOHMH.

DateTypeResult
2025-08-07BAITBait applied
2025-07-21ComplianceRat Activity
2025-07-07BAITBait applied
2025-06-25InitialRat Activity
2025-06-11ComplianceRat Activity
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HPD Litigation Explanation

The table below shows the HPD litigation records for 528 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 528 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 528 West 123rd Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2022-01-1335568059Y528 WEST 123RD STREET LLCFAILURE TO COMPLY W/COMMISSIONER'S ORDER CONTAINED IN SUMMONS/V35507699N ISSUED8/29/21 &TO FILE C/C PURSUANT TO28-201.1&1RCNY102-01.COMPLY W/COMMISSIONER'S ORDER &/OR FILE C/C.ACTIVE1250.00.0
2021-08-2935507699N528 WEST 123RD STREET, LLUNLAWFULLY CONTINUED WORK WHILE ON NOTICE OF A STOP WORK ORDER. AT TIME OF INSPECTION IT WAS OBSERVED THAT ON THE 2ND APT 27,A FULL GUT OUT WAS DONE ON APT. NEW ELECTRICAL COULD BE OBSERVED,WINDOW RIPPED OUT,FIRESOLVE5000.00.0
2019-04-1539002135J528 WEST 123RD STREET LLCOBSERVED ON THE FORTH FLOOR THE COMMUNAL SHOWER CEILING APPROXIMATELY 4 FEET BY 4 FEET HAS BEEN REMOVED, EXPOSING THE CEILING WOOD JOISTS AND PIPING. A HOLE APPROXIMATELY 1 1/2 FEET BY 1 1/2 FEET ALSO OBSERVEDACTIVE312.00.0
2019-04-1539002136L528 WEST 123RD STREET LLCOBSERVED IN ROOM 57 NEW ELECTRICAL. IN BACK ROOM OBSERVED 3 OUTLETS, 1 LIGHT FIXTURE AND 1 LIGHT SWITCH. IN FRONT ROOM OBSERVED 6 OUTLETS, 1 GFI OUTLET, 1 LIGHT FIXTURE, 1 LIGHT SWITCH AND A NEW ELECTRICAL PANEACTIVE1250.00.0
2019-04-1539002166M528 WEST 123RD STREET LLCOBSERVED IN ROOM 57 NEW PLUMBING, NEW WATER AND DRAIN LINES STICKING OUT FROM WALL IN FRONT ROOM. WORK IS APPROXIMATELY 90% COMPLETE. CERTIFICATE OF OCCUPANCY #63426 STATES THAT THERE ARE ONLY 2 COMMUNITY KITCACTIVE1250.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 528 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 528 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 528 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 528 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 528 West 123rd Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 528 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 528 West 123rd Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 528 West 123rd Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 528 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 528 West 123rd Street Compares

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