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Building and Landlord Data Analysis Report

420 East 51st Street, Manhattan, NY 10022

4
DOB Complaints
0
311 Housing Calls
0
Housing Violations
17
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 420 East 51st Street

420 East 51st Street is a 13-story, 110-unit residential building located in Midtown Manhattan, constructed in 1962 and currently owned by Michael Nath. The building has experienced several significant structural and safety-related events in recent years, with the most critical issues emerging in mid-2023 when two violations were recorded regarding the parking garage's structural integrity, including exposed rebar showing signs of oxidation, leading to an active penalty of $1,250. These concerns prompted special operations compliance inspections and the building's placement under structural monitoring in July 2023, though follow-up inspection did not reveal any additional violations.

An Environmental Control Board violation related to non-compliance with an engineer's report requirement was issued in October 2023. The building's maintenance history indicates regular attention to safety inspections, with rodent inspections showing consistent compliance except for a failure recorded in 2020. The property has maintained a clean record regarding bedbug infestations, with no reported cases over the past seven years (2018-2025).

Multiple permit issuances between 2019 and 2022 suggest ongoing maintenance and improvement work, including plumbing and electrical modifications. Three serious building violations from 2019 were related to elevator maintenance and were eventually resolved through proper certification. The building's most recent rodent inspection in February 2025 passed, maintaining the property's overall good standing in terms of public health requirements.

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 East 51st Street Report Contents

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420 East 51st Street Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Midtown.

Building Characteristics

Total units 110
Year built 1962
Total area 155000 sq ft
Floors 13
Tax Abatements None
Building Class HEREAFTER ERECTED 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.
2
ECB Violations
Environmental Control Board violations on record.
1
Evictions
Evictions executed by city marshalls.
1
Rodent Inspections
Rodent inspections conducted by DOHMH.
17
Building Permits
Permits issued by DOB in the last 7 years.

Included Addresses

  • 408 East 51st St, New York, NY 10022
  • 410 East 51st St, New York, NY 10022
  • 412 East 51st St, New York, NY 10022
  • 414 East 51st St, New York, NY 10022
  • 416 East 51st St, New York, NY 10022
  • 418 East 51st St, New York, NY 10022
  • 420 East 51st St, New York, NY 10022
  • 422 East 51st St, New York, NY 10022

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420 East 51st 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 East 51st 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 East 51st Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 420 East 51st 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 420 East 51st 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
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311 Service Requests

Service requests made to 311 for 420 East 51st Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
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DOB Complaints

Department of Buildings complaints regarding 420 East 51st Street.

Complaint #FiledStatusCategoryInspection DateDisposition
16435082023-07-19CLOSEDBuilding Under Structural Monitoring2023-07-19N1 (2023-07-20)
16430372023-07-13CLOSEDSpecial Operations Compliance Inspection2023-07-19Oath Violation Served (2023-07-20)
15660432021-03-05CLOSEDTenant Safety Inspection2021-03-04No Violation Warranted For Complaint At Time Of Inspection (2021-03-05)
15558782020-10-19CLOSEDTenant Safety Inspection2020-10-15No Violation Warranted For Complaint At Time Of Inspection (2020-10-19)
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DOB Violations

Department of Buildings violations regarding 420 East 51st Street.

Date IssuedCategoryDescriptionStatusComments
2023-11-22V*-DOB VIOLATION - DISMISSEDFAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION000810 PAID INVOICE 908432822024-10-04
2023-07-19V-DOB VIOLATION - ACTIVEOBSERVED INSIDE OCCUPIED PARKING GARAGE SECTION OF CONCRETE AT SUB-CELLAR SECTION EXPOSING REBAR THAT SHOW SIGNS OF OXIDATION
2021-08-04V*-DOB VIOLATION - ResolvedDISMISSED BASED ON SUBSEQUENT REPORT SHOWING DEFECTS CORRECTED2022-12-16
2019-04-16V*-DOB VIOLATION - ResolvedPPN203 AOC SUB ON 8/9/19 BY:CENTURY ELEV. MAIN RICHARD GLADITZ, CERT#1650132019-08-27
2019-04-16V*-DOB VIOLATION - ResolvedPPN203 AOC SUB ON 8/9/19 BY:CENTURY ELEV. MAIN RICHARD GLADITZ, CERT#1650132019-08-27
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 420 East 51st 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 East 51st 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
2024-12-270002023-11-012024-10-31
2023-12-300002022-11-012023-10-31
2022-12-300002021-11-012022-10-31
2021-12-300002020-11-012021-10-31
2020-12-090002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 420 East 51st Street. Data from NYC DOHMH.

DateTypeResult
2025-02-04InitialPassed
2023-03-14InitialPassed
2020-02-26InitialFailed for Other R
2018-09-26InitialPassed
2017-02-01InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 420 East 51st 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 East 51st 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 East 51st Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
2023-10-1137025482NKAL BROTHERS LLCFAILURE TO COMPLY WITH THE COMMISSIONER'S ORDER IN DOB VIOLATION VIO23-02092, DATED 7/19/2023. RESPONDENT WAS REQUIRED TO SUBMIT AN ENGINEER'S REPORT CONCERNING STRUCTURALLY DEFICIENT CONDITIONS. AS OF 10/11/20RESOLVE0.00.0
2023-07-1939090542JKAL BROTHERS LLC BROWN HAOBSERVED INSIDE OCCUPIED PARKING GARAGE SECTION OF CONCRETE AT SUB-CELLAR SECTION EXPOSING REBAR THAT SHOW SIGNS OF OXIDATION, REPAIR AND/REPLACE; REPAIR AND /OR REPLACEACTIVE1250.00.0
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 420 East 51st 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 East 51st 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 East 51st 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 East 51st 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 East 51st Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 420 East 51st 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 East 51st Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 420 East 51st Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 420 East 51st 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 East 51st Street Compares

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