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Building and Landlord Data Analysis Report

521 West 48th Street, Manhattan, NY 10036

0
DOB Complaints
4
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 521 West 48th Street

The seven-story, 15-unit building at 521 West 48th Street, located in Hell's Kitchen and owned by John Young, has experienced several maintenance issues over the past few years, particularly concerning heating and water systems. Between 2022 and 2024, there were multiple emergency complaints regarding heat and hot water, including a February 2023 incident affecting the entire building and a January 2024 issue in a single apartment. Water supply problems were documented in both December 2022 and most recently in October 2024, with the latter complaint remaining unresolved as of May 2025.

The building has also faced some structural and safety concerns, with active Environmental Control Board violations recorded in April 2024 related to unauthorized modifications in apartment 7D (reportedly converted to additional bedrooms) and failure to submit required exterior wall reports, resulting in significant penalties. A class C violation from January 2024 remains open regarding self-closing door repairs at the same 7D location. Inspection records show consistent rodent control compliance between 2016 and 2024, with the most recent inspection in October 2024 passing.

The building has properly documented its bedbug reporting requirements in recent years, showing no infestations between 2022-2023 according to filings in 2024. While the building has generally maintained rodent control standards, the recurring issues with heat/hot water and water supply systems, along with the recent violations regarding unauthorized modifications and safety concerns, suggest ongoing maintenance challenges. The property has experienced periodic bedbug reporting requirements between 2021 and 2024, though recent filings indicate no active infestations during the designated reporting periods.

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.

521 West 48th Street Report Contents

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521 West 48th Street 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 1940
Total area 12613 sq ft
Floors 7
Tax Abatements None
Building Class HEREAFTER ERECTED CLASS A
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Key Building Statistics

0
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
1
Housing Violations
Class B & C housing maintenance code violations.
4
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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521 West 48th 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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521 West 48th Street 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 521 West 48th Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 521 West 48th 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
2024-10-302025-05-16Plumbing-Water SupplyEmergencyCLOSE
2024-01-152024-01-18Heat/hot Water-Apartment OnlyEmergencyCLOSE
2023-02-062023-02-10Heat/hot Water-Entire BuildingEmergencyCLOSE
2022-12-062022-12-09Plumbing-Water SupplyEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 521 West 48th 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
2024-04-01ACloseNoneNone(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
2024-01-17COpenNone7D§ 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 7D, 6th STORY, 2nd APARTMENT FROM WEST AT NORTHNone
2022-02-16ACloseNoneNone(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
2021-04-01ACloseNoneNone(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
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311 Service Requests

Service requests made to 311 for 521 West 48th Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2024-10-30 03:39PLUMBINGWATER SUPPLYClosedHPD
2024-01-15 14:47HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2023-02-06 16:34HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2022-12-06 02:12PLUMBINGWATER SUPPLYClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 521 West 48th Street.

Complaint #FiledStatusCategoryInspection DateDisposition
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DOB Violations

Department of Buildings violations regarding 521 West 48th Street.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 521 West 48th 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 521 West 48th 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
2024-11-270002022-11-012023-10-31
2024-04-290002022-11-012023-10-31
2023-02-280002021-11-012022-10-31
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Rodent Inspections

Recent rodent inspection results for 521 West 48th Street. Data from NYC DOHMH.

DateTypeResult
2024-10-08InitialPassed
2019-04-10InitialPassed
2018-06-21InitialPassed
2017-08-16InitialPassed
2017-01-10InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 521 West 48th 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 521 West 48th 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 521 West 48th Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2024-04-1137027852K521 EMMUT PROPERTIES LLCFAILURE TO SUBMIT AN ACCEPTABLE REQUIRED CYCLE 8B AND 9B REPORT OF CRITICAL EXAMINATION DOCUMENTING CONDITION OF EXTERIOR WALL AND APPURTENANCES REQUIRED BY 28-302.4 FOR CONTROL #918452. REMEDY: SUBMIT ACCEPTABACTIVE6250.06250.0
2024-04-1039111328Z521 EMMUT PROPERTIES LLCOCCUPANCY CONTRARY TO DOB RECORDS. SIGNED OFF JOB #120810051 INDICATES 7D PENTHOUSE LEVEL AS 1 BEDROOM W/BATHRM INSIDE, OPEN AREA FAMILY RM AND 2ND 3PC BATHRM. NOTED: OBSERVED PENTHOUSE LEVEL CONVERTED TO 3 BDRRESOLVE0.00.0
2024-04-1039111326P521 EMMUT PROPERTIES LLCWORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVED AMENDMENTS. WORK DOES NOT CONFORM TO JOB #120810051. NOTED: AT APT 7D PENTHOUSE LEVEL BEDROOM CONVERTED TO 2 BEDRMS WITH BATHRM OUT OF BEACTIVE6250.06250.0
2024-04-1039111327R521 EMMUT PROPERTIES LLCWORK WITHOUT A PERMIT. NOTED: AT APARTMENT 7D PENTHOUSE LEVEL ERECTED FULL HEIGHT PARTITION WALLS WITH DOORS TO CREATE 2 ADDITIONAL BEDROOMS., OBTAIN ALL PERMITSACTIVE6250.06250.0
2024-03-1435676619L521 EMMUT PROPERTIES LLCFAILURE TO PROVIDE EXIT SIGNS NOTED 2 FLOOR THRU 7 FLOOR EXIT DOOR IN 1 HALLWAY A AND B STAIRS EXIT SIGN VISIBLE TO CLEARLY INDICATE THE DIRECTION OF EGRESS.REM:COMPLY WITH CODE.ACTIVE2500.02500.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 521 West 48th 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 521 West 48th 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 521 West 48th 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 521 West 48th 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 521 West 48th Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 521 West 48th 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 521 West 48th Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 521 West 48th Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 521 West 48th 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 521 West 48th Street Compares

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