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NYC HPD OPEN VIOLATIONS · METRODEEDS.COM · UPDATED DAILY
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Operator Profile · NYC Landlord Ripoff Watch

MAGDALENA KOSZ

51/100
DISTRESS SCORE
🔒 Vacate Order History⚠️ AEP Building (1 active)🌡️ Chronic Heat Violator🧪 Mold Cluster🐀 Pest Infestation🔍 HPD Speculation Watch🐚 Shell Cluster📈 Rapid Acquirer🏠 Rent Stabilized
⚠️ HPD ALTERNATIVE ENFORCEMENT PROGRAM

This operator has buildings under HPD's Alternative Enforcement Program (AEP) — a citywide list of the most distressed properties with persistent hazardous conditions. AEP buildings are subject to emergency repairs, fee assessments, and possible receivership if violations remain unaddressed.

Total Properties
221
in MN, BK
Total Open Violations
2,004
HPD open records
Class C — Immediately Hazardous
417
21% of all violations
Boroughs Active
MN · BK
multi-borough operator
Rent Stabilized Units
2,544
across 169 buildings
📊 Est. Market Value
$876.3M
PLUTO fullval sum
Managed by
A.J. CLARKE REAL ESTATE CORP
most frequent HPD agent
Crime Nearby

MAGDALENA KOSZ is associated with a portfolio of 221 NYC residential buildings registered through the NYC Department of Housing Preservation and Development's landlord-registration system, spanning Manhattan and Brooklyn. NYC public records show 2,004 open HPD housing-maintenance code violations across these buildings, including 417 Class C (immediately hazardous, the most serious classification) and 1,141 Class B (hazardous) — yielding a distress score of 51 on the MetroDeeds Landlord Ripoff Watch. MetroDeeds flags this portfolio for vacate-order history, AEP (Alternative Enforcement Program) enrollment, and HPD Tenant Harassment Prevention Task Force (Speculation Watch) listing. The most recent confirmed deed transfer to this portfolio was recorded by NYC ACRIS on July 23, 2025 for 62 7 AVENUE. All data sourced from NYC HPD violation feeds, ACRIS deed records via the NYC Department of Finance, and the NYC Public Advocate's annual Worst Landlord watchlist. See the methodology page for scoring details.

Full Property Portfolio

221 PROPERTIES REGISTERED UNDER THIS OPERATOR WITH NYC HPD

AddressBoroughUnitsBuiltAssessedOpen ViolationsView
429 EAST 64 STREETMN1901920$3.5M399View building (Scout+) →
610 WEST 143 STREETMN491930$1.7M336View building (Scout+) →
908 COLUMBUS AVENUEMN181920$1.5M314View building (Scout+) →
427 DEAN STREETBK171920$1.1M293View building (Scout+) →
202 WEST 82 STREETMN301920$1.5M288View building (Scout+) →
410 EAST 65 STREETMN2351920$8.0M258View building (Scout+) →
404 EAST 65 STREETMN3351903$15.4M254View building (Scout+) →
914 COLUMBUS AVENUEMN201920$1.6M230View building (Scout+) →
4791 BROADWAYMN681925$3.0M193View building (Scout+) →
419 EAST 64 STREETMN2901903$8.4M175View building (Scout+) →
🏠 Rent-Stabilized Buildings
169 buildings · 2,544 estimated rent-stabilized units
AddressClassYear BuiltRS Units
1168 1 AVENUEC71903306
415 EAST 64 STREETC11903277
410 EAST 65 STREETC11920218
429 EAST 64 STREETC11920173
620 FT WASHINGTON AVENUED7193799
Management Contacts
Managing Agent
A.J. CLARKE REAL ESTATE CORP
86 buildings
Registered Owner
STAHL YORK AVENUE CO. LLC
CorporateOwner · 18 buildings
Total Named Contacts
10
across HPD registrations

Recent Acquisitions

LAST 5 DEEDS RECORDED AT ACRIS FOR PROPERTIES ASSOCIATED WITH THIS OPERATOR

DateAddressPrice PaidSellerDoc Type
Apr 24, 2026203 EAST 27 STREET$3.0MVALLEY NATIONAL BANKAGMT
Apr 22, 2026133 EAST 30 STREETNot disclosedMURPHY, PAULRPTT&RET
Apr 16, 2026822 GREENWICH STREET$3.3MBLAIR, MCGOWAN; MCGOWAN, DAVID JRRPTT&RET
See incoming NYC deeds the day they recordOpen →

Other rentals in this portfolio's boroughs (3)

NOT IN THIS BUILDING — DISTANCES SHOWN BELOW — NOT IN MAGDALENA KOSZ'S PORTFOLIO

Violation Breakdown

2,004 TOTAL OPEN HPD VIOLATIONS

Class C — Immediately Hazardous417 (21%)
Class B — Hazardous1,141 (57%)
Class A — Non-Hazardous446 (22%)
⚠ Class C violations are immediately hazardous to tenants — including lead paint, mold, lack of heat, and structural defects.

📞 311 Complaint Activity

ALL HPD-ROUTED 311 COMPLAINTS ACROSS THIS PORTFOLIO

Total Complaints (All-Time)
2,636
HPD-routed 311 complaints
Last 12 Months
522
complaints filed
Top Category
HEAT/HOT WATER
most common type
Complaint Volume by Type (All-Time)
HEAT/HOT WATER1,158
UNSANITARY CONDITION595
PLUMBING260
PAINT/PLASTER257
WATER LEAK196
DOOR/WINDOW166
ELEVATOR4
Year-Over-Year Activity
309
2021
494
2022
591
2023
508
2024
449
2025
285
2026
Source: NYC 311 Service Requests (erm2-nwe9) · HPD-routed housing complaints · Updated daily

⚖️ Marshal Eviction Filings

NYC MARSHAL EXECUTED EVICTIONS FROM OPEN DATA · RESIDENTIAL UNITS

All-Time Evictions
104
executed by NYC marshal
Last 3 Years
36
executed evictions
Last 12 Months
5
executed evictions
▸ TOP 5 PROPERTIES BY EVICTION COUNT (LAST 3 YRS)
AddressBBLEvictions (3yr)
404 EAST 65 STREET10145900016
448 WEST 58 STREET10106700522
207 COLUMBUS AVENUE10112200012
37 WEST 72 STREET10112500092
419 EAST 64 STREET10145900102
Source: NYC Open Data dataset 6z8x-wfk4 (Marshal Evictions) · Updated daily

🏛️ Housing Court Filings

NYC HPD HOUSING LITIGATION DIVISION · DATASET r8na-hjbv

Total Cases
172
all-time filings
Open Cases
4
active proceedings
HP Actions
106
tenant actions filed for repairs
7A Cases
0
court-appointed administrator
▸ CASE TYPE BREAKDOWN (8 TYPES)
Case TypeCount
Tenant Action96
Heat and Hot Water30
Access Warrant - Non-Lead22
Tenant Action/Harrassment10
False Certification Non-Lead7
Comprehensive4
CONH2
Comp Supplemental Cases1
Case TypeFiledStatusBBL
Tenant ActionJan 6, 2026CLOSED1005850001
Tenant ActionDec 8, 2025PENDING1005850001
Tenant ActionDec 4, 2025CLOSED1005030026
Tenant Action/HarrassmentSep 9, 2025PENDING1014720044
Tenant ActionAug 21, 2025PENDING1007650014
Source: NYC HPD Housing Litigation Division · dataset r8na-hjbv · Updated regularly via NYC Open Data
Get real-time alerts when new cases fileOpen →

📞 311 Housing Complaints

HPD-ROUTED 311 COMPLAINTS FILED AGAINST PROPERTIES IN THIS PORTFOLIO

Heat / Hot Water (12mo)
259
complaints filed
Elevator (24mo)
1
complaints filed
Mold (24mo)
0
complaints filed
▸ TOP 5 PROPERTIES BY HEAT COMPLAINTS (12mo)
AddressBBLHeat Complaints (12mo)
427 DEAN STREET300928005126
914 COLUMBUS AVENUE101859003520
626 FT WASHINGTON AVENUE102180035016
408 EAST 78 STREET101472004416
207 COLUMBUS AVENUE101122000113
⚠ Heat complaints exceed the citywide p90 threshold (19/BBL/12mo) — this operator is among the worst heat complaint recipients in NYC.
Source: NYC 311 Service Requests (erm2-nwe9) · Housing complaint types only · Updated daily

🏗️ DOB Building Permits

DOB NOW: BUILD JOB APPLICATION FILINGS · DATASET w9ak-ipjd · 2016–PRESENT

Total Permits Filed
725
all filings on record
Unit Reduction Filings
9
proposed < existing dwelling units
9 permit(s) filed proposing fewer dwelling units than currently exist — a common mechanism for deregulating rent-stabilized apartments and displacing tenants.
AddressJob TypeFiledStatusUnits ΔApplicant
57 WEST 58 STREETAlterationMar 31, 2026ApprovedJimmy Powers
57 WEST 58 STREETAlterationMar 31, 2026Prof Cert QA ReviewJimmy Powers
166 1 AVENUEAlterationMar 30, 2026Plan Examiner ReviewHYUN KI CHO
166 1 AVENUEAlterationMar 30, 2026Plan Examiner ReviewHYUN KI CHO
310 WEST 72 STREETAlterationMar 25, 2026ObjectionsAlan Schwartz
Source: NYC DOB NOW: Build – Job Application Filings · dataset w9ak-ipjd · 2016–present
See the construction pipeline across the full portfolioOpen →

🏗️ DOB Violations

NYC DEPARTMENT OF BUILDINGS VIOLATIONS ACROSS THIS PORTFOLIO

Total DOB Violations
2,206
all-time on record
Active Violations
323
currently open
▸ TOP 5 PROPERTIES BY DOB VIOLATION COUNT
AddressBBLViolations
154 EAST 87 STREET101515004683
464 HUDSON STREET100585000162
788 RIVERSIDE DRIVE102134003057
310 WEST 72 STREET101183003754
1104 LEXINGTON AVENUE101412001652
Source: NYC Open Data dataset 3h2n-5cm9 (DOB Violations) · Updated periodically

☠️ Lead Paint Violations

HPD LEAD PAINT VIOLATIONS ACROSS THIS PORTFOLIO · DATASET au8t-hgv2

Total Violations
24
all-time on record
Open Violations
8
not yet certified closed
Class C (Hazardous)
24
immediately hazardous lead conditions
8 open lead paint violation(s) — children under 6 and pregnant women face serious health risks from lead exposure. HPD requires certified correction.
▸ TOP 5 PROPERTIES BY LEAD VIOLATION COUNT
AddressBBLViolations
315 EAST 108 STREET101680001111
62 WEST 9 STREET10057200113
610 WEST 143 STREET10208900413
15 WEST 73 STREET10112600232
301 WEST 105 STREET10189100522
Source: NYC HPD Lead Paint Violations · dataset au8t-hgv2 · Updated periodically

🐚 Shell Company Cluster Detected

REGISTERED AGENT ADDRESS FLAGS THIS OPERATOR AS A POTENTIAL SHELL CLUSTER

Registered Agent Address
163 WEST 74TH STREET
Total Entities at Address
66
Residential LLCs / Corps
65
Concentration Ratio
98%
Shell Score
64.02
65 LLCs registered at this address — 98% are NYC residential entities. A high concentration of residential LLCs registered at a single agent address is a common indicator of shell company structuring used to obscure property ownership.

Go deeper on MAGDALENA KOSZ

Landlord Ripoff Watch surfaces the public-record signals. Below: the layered intelligence MetroDeeds operators use to act on them.

PORTFOLIO INTEL

Every LLC behind MAGDALENA KOSZ

  • ·Full deed history with buyer and seller names
  • ·Shell-LLC aliasing across related entities
  • ·Per-property assessed value and price-per-square-foot
Open Portfolio Intel — Scout+ $49.99/mo →
LANDLORD INTEL

Per-building court, lien, and CTOR tracking

  • ·Real-time alerts when new eviction cases file
  • ·Mortgage, tax lien, and DOF progression timeline
  • ·DOB permit pipeline and 311 complaint patterns
Open Landlord Intel — Pro $149.99/mo →
DEED FEED

Incoming NYC deeds the day they record

  • ·Every residential deed across all 5 boroughs
  • ·Filter by borough, price, building type, operator
  • ·Same-day alerts when properties trade
Browse Deed Feed — Free →
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Frequently asked questions about MAGDALENA KOSZ

How many NYC properties does MAGDALENA KOSZ own?

MetroDeeds tracks 221 NYC residential buildings registered to MAGDALENA KOSZ in the NYC HPD landlord registry, spanning Manhattan and Brooklyn. The property count is recomputed nightly from HPD's published landlord-registration data.

How many HPD violations does MAGDALENA KOSZ's portfolio have?

2,004 open HPD housing-maintenance violations as of June 8, 2026: 417 Class C (immediately hazardous), 1,141 Class B (hazardous), and 446 Class A (non-hazardous).

Is MAGDALENA KOSZ on the NYC Public Advocate's Worst Landlord list?

No. MAGDALENA KOSZ does not appear on the NYC Public Advocate's most recent Worst Landlord watchlist.

What's MAGDALENA KOSZ's eviction filing rate?

MetroDeeds tracks 109 eviction marshal executions tied to this portfolio in NYC Office of Court Administration records. This is below the high-eviction-rate threshold (top 10% citywide).

When was MAGDALENA KOSZ's most recent property acquisition?

The most recent confirmed deed transfer to this portfolio was recorded by NYC ACRIS on July 23, 2025 for 62 7 AVENUE.

Discussion

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