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Building and Landlord Data Analysis Report

307 12th Street, Brooklyn, NY 11215

1
DOB Complaints
111
311 Housing Calls
99
Housing Violations
0
Permits

Risk Assessment

31
High Risk

This building is in the riskiest 10% of buildings in NYC with significant maintenance issues.

Our AI predicts there is a 31% chance of no major maintenance issues.
Augrented Insights Report for 307 12th Street

307 12th Street is a 25-unit, 5-story residential building constructed in 1912 in Brooklyn's South Slope neighborhood, currently owned by Marc Barron. The building has experienced significant maintenance challenges in recent months, with multiple service requests and violations recorded between March and July 2025.

Most notably, there have been recurring issues with water leaks (both slow and heavy flow), unsanitary conditions including pest infestations, and plumbing problems. The building has also faced emergency maintenance issues, including a heat/hot water problem in June 2025. Several apartments (notably Apts 4 and 9) received violation notices in late 2024 for multiple issues, including defective detector systems and pest infestations, though these violations were certified as corrected by December 2024.

Historical records from 2022-2024 show the building underwent several inspections and repairs, including addressing exterior issues such as disrepair of the cornice and window A/C unit installations. The property has maintained a consistent record of bedbug-free status in recent annual filings, and while rodent activity has been documented through inspections, there appears to be ongoing management of this issue, with bait applied during several inspections in 2024 and 2025. The building's recent history shows a pattern of maintenance challenges, particularly relating to plumbing, pest control, and water-related issues, with most complaints receiving some form of inspection or resolution, though access issues sometimes limited full investigations.

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.

307 12th Street Report Contents

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307 12th Street Building Overview

Renter Risk Rating

This building is in the safest 20% of buildings in South Slope.

Building Characteristics

Total units 25
Year built 1912
Total area 17370 sq ft
Floors 5
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.
99
Housing Violations
Class B & C housing maintenance code violations.
111
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
2
Work Orders
Repair orders issued by city agencies.
2
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
4
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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307 12th 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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307 12th Street 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 307 12th Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 307 12th 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
2025-06-072025-07-10Water Leak-Heavy FlowEmergencyCLOSE
2025-06-072025-07-10Unsanitary Condition-PestsNon EmergencyCLOSE
2025-06-092025-06-27Water Leak-Slow LeakNon EmergencyCLOSE
2025-06-092025-06-27Unsanitary Condition-PestsNon EmergencyCLOSE
2025-06-242025-06-26Heat/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 307 12th 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
2024-11-07BCloseNone9§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 9, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-18T00:00:00.000Z
2024-11-07CCloseNone4HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-09T00:00:00.000Z
2024-11-07CCloseNone4HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-09T00:00:00.000Z
2024-11-07BCloseNone4§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4, 1st STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-18T00:00:00.000Z
2024-11-07BCloseNone9§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 9, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH2024-12-16T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 307 12th Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
2025-06-09 14:42WATER LEAKSLOW LEAKClosedHPD
2025-06-09 14:42UNSANITARY CONDITIONPESTSClosedHPD
2025-06-09 11:04PLUMBINGWATER SUPPLYClosedHPD
2025-06-07 17:53UNSANITARY CONDITIONPESTSClosedHPD
2025-06-07 17:50WATER LEAKHEAVY FLOWClosedHPD
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DOB Complaints

Department of Buildings complaints regarding 307 12th Street.

Complaint #FiledStatusCategoryInspection DateDisposition
38569572022-06-01CLOSEDFailure to Maintain2022-06-02Oath Violation Served (2022-06-08)
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DOB Violations

Department of Buildings violations regarding 307 12th Street.

Date IssuedCategoryDescriptionStatusComments
2022-06-03V*-DOB VIOLATION - DISMISSEDINSTALLATION OF APPROX. 74L/FT SWS AS FOLLOW: INSTALL SWS TO PROTECT T HE ENTIRE COVERAGE FRONT OF EXPOSURE#1 APPROX.50L/FT PLUS ADD.PROTECTI ON FOR BOTH ADJACENT PROPERTIES@305 12 STREET EXTEND APPROXIMATELY 6L/ FEET AND 311 12 STREET A NEXT 6L/FEET RAP UNTO ENTRY DOOR DUE TO THE DEFECTIVE WALL AT EXPOSURE#4 APPROX. 12F/FEETOK TO DISMISS AS PER BC RESCISSION LETTER DATED 1/12/232023-01-31
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 307 12th 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 307 12th 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
2024-12-190002023-11-012024-10-31
2023-12-220002022-11-012023-10-31
2022-12-170002021-11-012022-10-31
2022-01-260002020-11-012021-10-31
2020-12-310002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 307 12th Street. Data from NYC DOHMH.

DateTypeResult
2025-02-04BAITBait applied
2025-01-28BAITBait applied
2025-01-16ComplianceRat Activity
2024-11-07InitialRat Activity
2024-05-28InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 307 12th 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 307 12th 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 307 12th Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2022-06-0239063440P307 12 ST LLCATOI IN REGARD TO THE MENTIONED COMPLAINT # 3856957 OBSERVED WINDOW A/C UNITS INSTALLED WITH NO EXTERIOR BRACKETS AT THIS MULTI- DWELLING RESIDENT ( 25UNITS) AT EXPOSURE # 1; NOTED: (3) A/C UNITS ON 4TH FLOOR LRESOLVE0.00.0
2022-06-0239063441R307 12 ST LLCOBSERVED CORNICE AT FRONT IS IN DISREPAIR/DEFECTIVE, ROTTEN, DETERIORATING WITH MISSING PIECES IN VARIOUS LOCATION, ALSO AT EXP.1 WALL IS IN DISREPAIR WITH EXPOSED BRICK DUE TO STUCCO SEPARATION. THIS CONDITIONRESOLVE2500.02500.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 307 12th 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 307 12th 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 307 12th 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 307 12th 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 307 12th Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 307 12th 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 307 12th Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 307 12th Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 307 12th 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 307 12th Street Compares

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Get access to comprehensive violation records, court cases, landlord portfolios, and detailed maintenance history for this building and thousands of others.

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