What do tenants say about Jon Sin?

Jon Sin has an average tenant rating of 3.9 out of 5 across 4 reviews.

How many violations does Jon Sin have across their portfolio?

Buildings managed by Jon Sin average 0.45 open violations per unit, fewer than the citywide average of 0.81.

Would renters recommend buildings managed by Jon Sin?

75% of tenants who reviewed buildings managed by Jon Sin would recommend living there.

How many buildings does Jon Sin own or manage?

Jon Sin owns or manages 3 buildings totalling 70 units.

Is Jon Sin on the worst landlords list?

Jon Sin has not appeared on the NYC worst landlords list.

Has Jon Sin had any evictions?

Jon Sin has 2 recorded evictions across their portfolio.

Is Jon Sin responsive to tenants?

75% of tenants who reviewed a building managed by Jon Sin approve of how it is run.

Jon Sin

Site Manager·3 buildings·70 units

3.9

4 reviews

Highlights

Evictions

Litigation cases

About Jon Sin

Jon Sin is a mixed-profile site manager. Across their buildings, tenants rate them 3.9/5 across 4 reviews, with 75% recommending their buildings and 75% approving of them as an owner or associate. Their portfolio records 2 evictions, 32 open violations, and 0 litigation cases. Data last updated July 29, 2026. Jon Sin is a site manager associated with a portfolio of 3 buildings and 70 units across Kensington in Brooklyn and the Upper West Side and East Village in Manhattan. The portfolio is concentrated in Kensington, Upper West Side, and East Village, reflecting a diverse geographic area. The buildings were built primarily in the 1920s and are mostly low-rise. All of the associated buildings have rent-stabilized apartments.

Renter recommendations

Renters recommend associated buildings

Renters approve of this owner or associate

Building photos

Review summary

Summarized from anonymous rental reviews on Openigloo.

Recent reviews for JON SIN's managed buildings reveal a mixed management experience. Tenants appreciate the owner's responsiveness and the presence of on-call exterminators, as well as attentive superintendents and good garbage management. Quiet neighbors, convenient locations, and quick maintenance responses stand out positively. However, some buildings face issues with pest infestations, aging infrastructure, noise disturbances, and inconsistent heating and water pressure. Several renters highlight the need for renovations and better upkeep to justify rental rates. Overall, tenants can expect responsive management but should be prepared for varied building conditions and occasional pest or maintenance challenges.

Reviews

Former tenant·11 months ago

Overall good place to live

Pros

Owner is very responsive Lets us paint the walls Provides exterminator on call Super is always available No stolen packages… yet

Cons

Roaches in second floor apartment

Advice to the owners

Turn down the heat just a little please I’m sweating

Former tenant·Over 1 year ago

Good starter apartment

Pros

Not many units in the building; neighbors are quiet, plenty of sunlight, close proximity to subway and plenty of restaurants and grocery stores around

Cons

Small units, no AC,

Buildings associated with JON SIN

Rent-stabilized

363 Ocean Parkway

3.2(2)

Kensington

Rent-stabilized

403 E 8 St

4.3(1)

East Village

Rent-stabilized

303 Amsterdam Avenue

4.4(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 average0.45Violations per unit

NYC average0.81Violations per unit

3Class C

Immediately hazardous

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

19Class B

Hazardous

Smoke detector issues, inadequate lighting, no lighting for stairways

10Class 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

Jon Sin

Site Manager·3 buildings·70 units

3.9

4 reviews