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Building and Landlord Data Analysis Report

452 Henry Street, Brooklyn, NY 11231

4
DOB Complaints
0
311 Housing Calls
0
Housing Violations
24
Permits

Risk Assessment

98
Low Risk

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

Our AI predicts there is a 98% chance of no major maintenance issues.
Augrented Insights Report for 452 Henry Street

The 1855 three-story, four-unit building at 452 Henry Street in Cobble Hill, currently owned by Alexander Kalkines, has been undergoing significant activity over recent years, with multiple permits issued between 2021 and 2025 under job number 321531865. Of particular concern are recurring violations related to bedbug reporting compliance, with open violations noted in 2024, 2023, 2022, and 2021 all citing non-filing of annual bedbug reports as required by Housing Maintenance Code.

The property has experienced several construction-related issues, including multiple ECB violations in 2019-2021 regarding unsafe material storage, inadequate site safety plans, and work not conforming to approved plans, though these were all resolved with varying penalties. There were also several instances of stop-work orders and construction safety compliance actions in 2019 and 2021, including a 2021 violation that resulted in a $1,250 penalty for failure to provide inspection access. The most recent permit activity shows continued maintenance and improvement work, with multiple permits issued in 2024-2025 for various categories including Alterations (AL), Plumbing (PL), and Fire (FO) work.

Three open Housing Maintenance Code violations from 2021-2024 suggest ongoing challenges with compliance and record-keeping requirements. The building's history shows a pattern of construction-related violations being resolved through penalties and corrected work, though some immediately hazardous violations related to construction activities were dismissed in late 2019. The property has maintained its classification as a "HERETOFORE CONVERTED CLASS A" building, indicating it has been legally converted to a multiple dwelling with all necessary approvals.

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.

452 Henry Street Report Contents

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452 Henry Street Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 4
Year built 1855
Total area 4961 sq ft
Floors 3
Tax Abatements None
Building Class HERETOFORE CONVERTED CLASS A
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Key Building Statistics

4
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.
4
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
0
Rodent Inspections
Rodent inspections conducted by DOHMH.
24
Building Permits
Permits issued by DOB in the last 7 years.

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452 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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452 Henry Street Rent Control Status

Year Built
Built before 1974
Units
Less 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 452 Henry Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 452 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
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 452 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
2024-04-10AOpenNoneNone(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
2023-03-23AOpenNoneNone(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
2022-02-25AOpenNoneNone(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
2021-04-09AOpenNoneNone(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 452 Henry Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
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DOB Complaints

Department of Buildings complaints regarding 452 Henry Street.

Complaint #FiledStatusCategoryInspection DateDisposition
39086042023-06-07CLOSEDConstruction: Contrary/Beyond Approved Plans/Permits2023-06-21No Violation Warranted For Complaint At Time Of Inspection (2023-06-28)
38955982023-03-02CLOSEDCSE: Sweep2023-03-02No Violation Warranted For Complaint At Time Of Inspection (2023-03-02)
38035102021-06-28CLOSEDConstruction Safety Compliance (CSC) Action2021-07-09Stop Work Order Fully Rescinded (2021-07-09)
37052682019-06-04CLOSEDConstruction Safety Compliance (CSC) Action2019-09-04Stop Work Order Fully Rescinded (2019-09-04)
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DOB Violations

Department of Buildings violations regarding 452 Henry Street.

Date IssuedCategoryDescriptionStatusComments
2019-10-17V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION810 621514922019-12-24
2019-10-17V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION810 621514972019-12-24
2019-09-04V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATIONYUM PAID INV 621239142019-12-02
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 452 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 452 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
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Rodent Inspections

Recent rodent inspection results for 452 Henry Street. Data from NYC DOHMH.

DateTypeResult
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HPD Litigation Explanation

The table below shows the HPD litigation records for 452 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 452 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 452 Henry Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2021-06-2835557295MS.O.D.A CONSTRUCTION CORFAILURE OF PERMIT HOLDER TO PROVIDE INSP ACCESS TO &/OR EXPOSE ONGOINGCONST@ACTIVE SITE.ATOI I OBSERVED WORKER ENTERING ABOVE PLACE OF OCCURENCE.I KNOCKED MULTIPLE TIMES&HED NOT ANSWER.I CALLED GC,WHO INFORMEDRESOLVE1250.00.0
2019-06-0435441157JS.O.D.A. CONSTRUCTION CORUNSAFE STORAGE OF MATERIALS DURING CONSTRUCTION OR DEMOLITION. NOTE: AT TIME OF MY INSPECITON OF A 4 STORY ALTERATION BUILDING I OBSERVED THAT THERE WAS 3 DIFFERENT STACKS OF WOOD THROUGHOUT THE BUILDING APPRRESOLVE2500.00.0
2019-06-0435441158LS.O.D.A. CONSTRUCTION COWORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR AMEND MENTS. NOTED: AT TIME OF MY INSPECITON OF A 4 STORY ALTERATION 1 BUILDING I OBSERVED THE SUPPORT OF EXCAVATION IN TEH REAR YARD WHICH WASRESOLVE2500.00.0
2019-06-0435441159NS.O.D.A. CONSTRUCTION CORINADEQUATE SITE SAFETY PLAN. NOTED: AT TIME OF MY INSPECITON OF A 4 STORY ALTERATION TYPE 1 BUILDING I ENQUIRED TO SEE THE SITE SAFETY PLAN, I WAS GIVEN A NUMBER (6) OF LAMINATED FLOOR PLANS WHICH DID NOTRESOLVE2500.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 452 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 452 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 452 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 452 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 452 Henry Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 452 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 452 Henry Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 452 Henry Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 452 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 452 Henry Street Compares

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