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Building and Landlord Data Analysis Report

5623 4th Avenue, Brooklyn, NY 11220

3
DOB Complaints
0
311 Housing Calls
0
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 5623 4th Avenue

The 11-unit, 4-story New Law Tenement building at 5623 4th Avenue in Sunset Park, owned by Lilan Wu and built in 1923, has experienced several notable incidents in recent years. Most recently, in April 2025, there was a heat and hot water emergency affecting the entire building, though services were reportedly restored during the HPD inspection.

The building has had three Housing Maintenance Code violations related to bedbug reporting requirements between 2021 and 2023, though more recent bedbug filings (from 2024 and 2023) show zero infested or re-infested units, suggesting compliance has improved. Between 2023-2024, there were three complaints regarding illegal conversions, but inspections were unsuccessful due to lack of access.

A significant electrical and safety issue arose in 2023 when an illegal storefront awning and sign installation led to an active Environmental Control Board violation with a penalty of $1,250, though $630 remains unpaid as of the latest records. The building's maintenance history shows a mixed picture of rodent management, with a failed inspection in 2014 and a passed inspection in 2013. While the bedbug situation appears to be under control based on recent filings, the heat and hot water issues and the outstanding ECB violation warrant attention.

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.

5623 4th Avenue Report Contents

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5623 4th Avenue Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Sunset Park.

Building Characteristics

Total units 11
Year built 1923
Total area 8556 sq ft
Floors 4
Tax Abatements None
Building Class NEW LAW TENEMENT
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Key Building Statistics

3
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
0
Housing Violations
Class B & C housing maintenance code violations.
0
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
0
Work Orders
Repair orders issued by city agencies.
1
ECB Violations
Environmental Control Board violations on record.
3
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.

Included Addresses

  • 5623 4th Ave, New York, NY 11220
  • 401 57th St, New York, NY 11220
  • 403 57th St, New York, NY 11220
  • 405 57th St, New York, NY 11220
  • 407 57th St, New York, NY 11220

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5623 4th 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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5623 4th 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 5623 4th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 5623 4th 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
2025-04-112025-04-15Heat/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 5623 4th 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
2023-03-17ACloseNoneNone(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
2022-02-18ACloseNoneNone(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
2021-04-05ACloseNoneNone(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 5623 4th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-04-11 18:03HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 5623 4th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
39885712024-12-20CLOSEDIllegal Conversion2025-03-21Inspector Unable To Gain Access – 2nd Final Attempt (2025-03-21)
39169772023-07-02CLOSEDIllegal Conversion2023-09-11Inspector Unable To Gain Access – 2nd Final Attempt (2023-09-11)
38970422023-03-14CLOSEDStorefront or Business Sign/Awning/Marquee/Canopy – ILLEGAL2023-04-12Oath Violation Served (2023-04-12)
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DOB Violations

Department of Buildings violations regarding 5623 4th Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 5623 4th 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 5623 4th 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
2024-12-060002023-11-012024-10-31
2023-12-100002022-11-012023-10-31
2023-04-240002021-11-012022-10-31
2021-05-200002019-11-012020-10-31
2019-01-250002017-11-012018-11-30
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Rodent Inspections

Recent rodent inspection results for 5623 4th Avenue. Data from NYC DOHMH.

DateTypeResult
2014-10-10InitialFailed for Other R
2013-11-14InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 5623 4th 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 5623 4th 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 5623 4th Avenue. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2023-04-1239083615X5623 INCWORK WITHOUT A PERMIT. NOTED : OBSERVED AT EXPOSURE #1AND 4 AN AWNING WITH ILLUMINATING SIGN WAS INSTALLED. THE AWNING IS APPROXIMATELY 28 FEET IN LENGTH, AND 2 FEET IN HEIGHT . WITH THE WORDINGS UNITED BARBERACTIVE1250.0630.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 5623 4th 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 5623 4th 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 5623 4th 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 5623 4th 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 5623 4th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 5623 4th 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 5623 4th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 5623 4th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 5623 4th 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 5623 4th Avenue Compares

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