What do tenants say about Kosha Diaz?

Kosha Diaz has an average tenant rating of 3.6 out of 5 across 1 reviews.

Would renters recommend buildings managed by Kosha Diaz?

100% of tenants who reviewed buildings managed by Kosha Diaz would recommend living there.

Is Kosha Diaz on the worst landlords list?

Kosha Diaz has not appeared on the NYC worst landlords list.

Has Kosha Diaz had any litigation cases?

Kosha Diaz has no housing court litigation cases across their portfolio.

How many buildings does Kosha Diaz own or manage?

Kosha Diaz owns or manages 1 building totalling 10 units.

Has Kosha Diaz had any evictions?

Kosha Diaz has no recorded evictions across their portfolio.

Is Kosha Diaz responsive to tenants?

0% of tenants who reviewed a building managed by Kosha Diaz approve of how it is run.

Kosha Diaz

Officer·1 building·10 units

3.6

1 reviews

Highlights

Evictions

Litigation cases

About Kosha Diaz

Kosha Diaz is a mixed-profile officer. Across their buildings, tenants rate them 3.6/5 across 1 review, with 100% recommending their buildings and 0% approving of them as an owner or associate. Their portfolio records 0 evictions, 0 open violations, and 0 litigation cases. Data last updated August 23, 2026. Kosha Diaz is an officer associated with 1 building and 10 units in the Upper West Side of Manhattan. The portfolio is concentrated in the Upper West Side in Manhattan. The building was built in 1900 and is categorized as primarily low-rise. All of the associated buildings have rent-stabilized apartments. Individual building ratings, tenant reviews, and public records are on the associated building pages.

Renter recommendations

Renters recommend associated buildings

Renters approve of this owner or associate

Reviews

Former tenant·10 months ago

Months without Laundry

Pros

Great location Good size Great closet space

Cons

Laundry machines were removed in February and only just replaced in June, management staff was very bad at communicating with tenants about the situation

Buildings associated with KOSHA DIAZ

Good cause
312 West 89 Street
3.6(1)
Upper West Side

Good cause

312 West 89 Street

3.6(1)

Upper West Side

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 better than the city average.

Owner averageLess than 0.01Violations per unit

NYC average0.81Violations per unit

0Class C

Immediately hazardous

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

0Class B

Hazardous

Smoke detector issues, inadequate lighting, no lighting for stairways

0Class A

Non-hazardous

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

0Class I

Missing info

Missing or non-compliant with administrative information orders or filings

FAQs

Kosha Diaz

Officer·1 building·10 units

3.6

1 reviews