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Building and Landlord Data Analysis Report

5623 6th Avenue, Brooklyn, NY 11220

1
DOB Complaints
5
311 Housing Calls
5
Housing Violations
4
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 6th Avenue

This 4-story, 7-unit New Law tenement building at 5623 6th Avenue in Sunset Park, owned by David Ni, has experienced several recurring maintenance issues over recent years. Most notably, there have been three separate incidents of heavy water leaks in early 2023, multiple heat and hot water complaints in both 2022 and 2023, and a significant number of violations related to Unit 2F that were documented in early 2023.

These violations included issues with window guards, self-closing doors, lead-based paint hazards, peeling paint in various rooms, and hot water temperatures exceeding 130 degrees. The building's most recent housing maintenance code violation, recorded in April 2024, pertains to an unfiled annual bedbug report requirement, though previous bedbug filings from 2019 through 2022 showed no infestations. The property has a documented history of rodent activity, with inspections in 2019 showing rat presence, though earlier and more recent inspections (2017) passed without issues.

Permit activity from 2019 through 2020 suggests regular maintenance and repair work is being conducted. A Department of Buildings complaint regarding Certificate of Occupancy status was filed in 2024 and closed in May 2025 with no violations found at the time of inspection. The building's combined history of water issues, heating problems, and code violations requires monitoring, though many of the earlier 2023 violations were closed after remediation.

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 6th Avenue Report Contents

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5623 6th Avenue Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 7
Year built 1905
Total area 8556 sq ft
Floors 4
Tax Abatements None
Building Class NEW LAW TENEMENT
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Key Building Statistics

1
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
5
Housing Violations
Class B & C housing maintenance code violations.
5
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.
2
Rodent Inspections
Rodent inspections conducted by DOHMH.
4
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 5621 6th Ave, New York, NY 11220
  • 601 57th St, New York, NY 11220
  • 603 57th St, New York, NY 11220
  • 605 57th St, New York, NY 11220
  • 607 57th St, New York, NY 11220

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5623 6th 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 6th 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 5623 6th Avenue

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 5623 6th 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
2023-02-232023-03-04Water Leak-Heavy FlowEmergencyCLOSE
2023-02-182023-02-25Water Leak-Heavy FlowEmergencyCLOSE
2023-02-042023-02-06Heat/hot Water-Apartment OnlyEmergencyCLOSE
2022-11-142022-11-17Heat/hot Water-Apartment OnlyEmergencyCLOSE
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 5623 6th 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
2024-04-03ACloseNoneNone(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
2023-04-01BCloseNone2F§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF SLIDING BOLT WITH EYE INSTALLED AT DOOR CAPABLE OF RECEIVING A PAD LOCK IN THE ENTRANCE LOCATED AT APT 2F, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH2023-04-25T00:00:00.000Z
2023-04-01CCloseNone2F§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 4; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 2F, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH2023-04-12T00:00:00.000Z
2023-04-01CCloseNone2F§ 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE INOPERABLE HINGES AT DOOR IN THE ENTRANCE LOCATED AT APT 2F, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH2023-04-12T00:00:00.000Z
2023-03-20ACloseNoneNone(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.2023-04-04T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 5623 6th Avenue. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2023-02-23 15:21WATER LEAKHEAVY FLOWClosedHPD
2023-02-18 18:18WATER LEAKHEAVY FLOWClosedHPD
2023-02-04 07:45HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2022-11-14 12:19HEAT/HOT WATERAPARTMENT ONLYClosedHPD
2019-02-18 00:00RodentSigns of RodentsClosedDOHMH
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DOB Complaints

Department of Buildings complaints regarding 5623 6th Avenue.

Complaint #FiledStatusCategoryInspection DateDisposition
39861982024-12-02CLOSEDCertificate of Occupancy – None/ILLEGAL/Contrary to CO2025-05-22No Violation Warranted For Complaint At Time Of Inspection (2025-05-22)
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DOB Violations

Department of Buildings violations regarding 5623 6th Avenue.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 5623 6th 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 6th 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
2023-04-200002021-11-012022-10-31
2021-12-280002020-11-012021-10-31
2021-03-080002019-11-012020-10-31
2020-01-080002018-11-012019-10-31
2019-03-040002017-11-012018-11-30
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Rodent Inspections

Recent rodent inspection results for 5623 6th Avenue. Data from NYC DOHMH.

DateTypeResult
2019-03-25ComplianceRat Activity
2019-02-22InitialRat Activity
2017-07-03InitialPassed
2017-06-08InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 5623 6th 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 6th 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 6th Avenue. 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 5623 6th 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 6th 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 6th 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 6th 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 6th Avenue. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 5623 6th 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 6th Avenue. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 5623 6th Avenue. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 5623 6th 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 6th Avenue Compares

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