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Building and Landlord Data Analysis Report

420 Henry Street, Brooklyn, NY 11201

0
DOB Complaints
11
311 Housing Calls
11
Housing Violations
0
Permits

Risk Assessment

95
Low Risk

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

Our AI predicts there is a 95% chance of no major maintenance issues.
Augrented Insights Report for 420 Henry Street

The 4-story, 8-unit tenement building at 420 Henry Street in Cobble Hill has experienced several significant maintenance issues since 2020, with the most recent concern being an active bee/wasp problem as of October 2024. The building suffered from substantial heat and hot water system failures in January 2020, with multiple emergency complaints filed throughout the month, leading to several Class C violations including inadequate heat and hot water supply, gas range issues, and missing safety devices in Apartment 1A.

These violations were eventually certified as corrected, though there remains an open violation from January 2020 regarding an obstructed fire escape at the 2nd story balcony. More recent concerns include a plumbing water supply issue from December 2023 through March 2024, which was closed without inspection access, and a bedbug reporting violation from April 2024 requiring annual bedbug report filing.

The building's bedbug history shows consistent compliance with no infestations reported in inspection periods from 2019 through 2025, with the most recent filings (2025-06-06 and 2024-11-21) indicating no infested units or eradication efforts required. The current owner, Gregory O'Connell, has maintained regular bedbug reporting compliance, with no recorded infestations or re-infestations across multiple years, suggesting effective pest management practices despite the building's age and historical maintenance challenges.

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.

420 Henry Street Report Contents

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420 Henry Street Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Cobble Hill.

Building Characteristics

Total units 8
Year built 1888
Total area 4800 sq ft
Floors 4
Tax Abatements None
Building Class OLD LAW TENEMENT
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Key Building Statistics

0
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
11
Housing Violations
Class B & C housing maintenance code violations.
11
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.
0
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 422 Henry St, New York, NY 11201
  • 159 Kane St, New York, NY 11201
  • 161 Kane St, New York, NY 11201
  • 163 Kane St, New York, NY 11201

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420 Henry 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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420 Henry 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 420 Henry Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 420 Henry 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
2023-12-062024-03-19Plumbing-Water SupplyEmergencyCLOSE
2020-01-142020-01-17Heat/hot Water-Entire BuildingEmergencyCLOSE
2020-01-132020-01-15Heat/hot Water-Entire BuildingEmergencyCLOSE
2020-01-072020-01-11Heat/hot Water-Entire BuildingEmergencyCLOSE
2020-01-092020-01-11Heat/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 420 Henry 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
2024-04-10ACloseNoneNone(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
2021-04-09ACloseNoneNone(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
2020-01-14CCloseNone1A§ 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ... IN THE ENTRANCE LOCATED AT APT 1A, 1st STORY, APARTMENT AT NORTH2020-02-03T00:00:00.000Z
2020-01-14CCloseNone1A§ 27-2028, 2032 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FROM AN APPROVED CENTRAL HEATING SYSTEM, OR AN APPROVED SYSTEM OF GAS OR ELECTRICAL HEATING IN GOOD OPERATING CONDITION FOR THE DWELLING UNIT IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, APARTMENT AT NORTH2020-01-28T00:00:00.000Z
2020-01-14CCloseNone1A§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, APARTMENT AT NORTH2020-01-28T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 420 Henry Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2024-10-04 13:23Harboring Bees/WaspsBees/Wasps - Not a beekeperIn ProgressDOHMH
2023-12-06 17:26PLUMBINGWATER SUPPLYClosedHPD
2020-01-14 13:57HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2020-01-13 14:50HEAT/HOT WATERENTIRE BUILDINGClosedHPD
2020-01-09 13:28HEAT/HOT WATERENTIRE BUILDINGClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 420 Henry Street.

Complaint #FiledStatusCategoryInspection DateDisposition
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DOB Violations

Department of Buildings violations regarding 420 Henry Street.

Date IssuedCategoryDescriptionStatusComments
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 420 Henry 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 420 Henry 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
2025-06-060002023-11-012024-10-31
2024-11-210002022-11-012023-10-31
2022-12-270002021-11-012022-10-31
2021-12-310002020-11-012021-10-31
2021-07-120002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 420 Henry Street. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 420 Henry 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 420 Henry 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 420 Henry 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 420 Henry 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 420 Henry 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 420 Henry 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 420 Henry 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 420 Henry Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 420 Henry 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 420 Henry Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 420 Henry Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 420 Henry 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 420 Henry Street Compares

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