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J

John Warren

Shareholder·80 buildings·1281 units
2.5

6 reviews

Worst landlord

This owner or associate is ranked in the top 100 worst landlords in NYC.

Highlights

28
Evictions
76
Litigation cases

Renter recommendations

-%

Renters recommend associated buildings

-%

Renters approve of this owner or associate

Review summary

Summarized from anonymous rental reviews on Openigloo.

Recent tenant feedback on buildings managed by John Warren reveals significant management challenges. Common complaints include poor cleanliness, inadequate garbage removal, persistent pest infestations, and unresolved maintenance issues such as plumbing and heating faults. Security concerns arise from malfunctioning entry systems and disruptive neighbors involved in illicit activities. While some appreciate the building location and quiet nights, many express frustration with slow or insufficient owner responsiveness and inconsistent water pressure. Tenants advise the management to improve upkeep, pest control, and tenant safety measures. Overall, renters should expect ongoing maintenance difficulties and management inefficiencies in these properties.

Reviews

Former tenant·Over 2 years ago

Horrible management

Pros

Good area. Friendly neighbors. Pet friendly

Cons

Loads of Garbage in hallways. Hallways always stink. Constant rat problems. Building never has a super to fix apartment issues. Numerous apartments with leaking problems, plumbing issues, heat issues. There is constantly no hot water.

Advice to the owners

Get your priorities straight

Former tenant·Over 2 years ago

Long time ago

Pros

The superintendent and landlord were friendly

Cons

Leaking bathroom ceiling. Hole in AC vent

Buildings associated with JOHN WARREN

  • 582 Rear Sterling Place

    582 Rear Sterling Place

    Crown Heights

  • 296 Garage Melrose Street

    296 Garage Melrose Street

    Bushwick

  • 1380 University Avenue

    1380 University Avenue

    Highbridge

  • 1520 Sedgwick Avenue

    1520 Sedgwick Avenue

    2.8(1)

    Morris Heights

582 Rear Sterling Place

582 Rear Sterling Place

Crown Heights

296 Garage Melrose Street

296 Garage Melrose Street

Bushwick

1380 University Avenue

1380 University Avenue

Highbridge

1520 Sedgwick Avenue

1520 Sedgwick Avenue

2.8(1)

Morris Heights

Building ratings

Cleanliness

-

Trash management

-

Pest control

-

Water pressure

-

Heat

-

Neighbors

-

Noise levels

-

Owner responsiveness

-

Cleanliness

-

Trash management

-

Pest control

-

Water pressure

-

Heat

-

Neighbors

-

Noise levels

-

Owner responsiveness

-

Rents and deposits

-

Renters received their security deposits back

-

Electronic rent payments

Open violations

From past 10 years · Updated 5 days ago

Average violations per unit for this owner or associate is worse than the city average.

Owner average2.38Violations per unit
NYC average0.81Violations per unit
172Class C
Immediately hazardous

Rodents, pest, mold, inadequate heat or hot water, defective building parts

345Class B
Hazardous

Smoke detector issues, inadequate lighting, no lighting for stairways

143Class A
Non-hazardous

No peephole on a door, no street number on the building, unlawful keeping of animals

1Class I
Missing info

Missing or non-compliant with administrative information orders or filings

J

John Warren

Shareholder·80 buildings·1281 units
2.5

6 reviews

Follow us

For renters

Apartments for rent in NYCRenting tips and resourcesVerified apartment listings in NYCBuildings and owners in NYCBuildings in BostonNYC market analysis reports

For landlords

iglooIQListings quality policy

Trending neighborhoods

Apartments in AstoriaApartments in Bedford-StuyvesantApartments in BushwickApartments in ChelseaApartments in Financial DistrictApartments in SohoApartments in Upper East SideApartments in Upper West SideApartments in West VillageApartments in Williamsburg

NYC boroughs

Apartments in BronxApartments in BrooklynApartments in ManhattanApartments in QueensApartments in Staten Island

2-bedroom apartments

2-bedroom apartments in Bronx2-bedroom apartments in Brooklyn2-bedroom apartments in Manhattan2-bedroom apartments in Queens2-bedroom apartments in Staten Island

Support

FAQContact usLive support

Legal

Terms of usePrivacy policyCommunity guidelinesAgency disclosureFair housing disclosureStandard operating procedures
© 2026 Openigloo Inc. All rights reserved.