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J

Jon Sin

Site Manager·3 buildings·70 units
3.9

4 reviews

Highlights

2
Evictions
No
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 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

  • 363 Ocean Parkway
    Rent-stabilized

    363 Ocean Parkway

    3.2(2)

    Kensington

  • 403 E 8 St
    Rent-stabilized

    403 E 8 St

    4.3(1)

    East Village

  • 303 Amsterdam Avenue
    Rent-stabilized

    303 Amsterdam Avenue

    4.4(1)

    Upper West Side

363 Ocean Parkway
Rent-stabilized

363 Ocean Parkway

3.2(2)

Kensington

403 E 8 St
Rent-stabilized

403 E 8 St

4.3(1)

East Village

303 Amsterdam Avenue
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

J

Jon Sin

Site Manager·3 buildings·70 units
3.9

4 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.

Available apartments associated with JON SIN

    • 403 E 8 St #20, Manhattan, NY 10009 1
    Future
    Rent-stabilized
    East Village·1 bed, 1 bath
    4.3(1)

    403 E 8 St #20

  • 403 E 8 St #20, Manhattan, NY 10009 1
Future
Rent-stabilized
East Village·1 bed, 1 bath
4.3(1)

403 E 8 St #20