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6

639 4th Ave Llc

Owner·4 buildings·49 units
3.5

4 reviews

Highlights

1
Evictions
2
Litigation cases

About 639 4th Ave Llc

639 4th Ave Llc is a mixed-profile owner. Across their buildings, tenants rate them 3.5/5 across 4 reviews, with 75% recommending their buildings and 50% approving of them as an owner or associate. Their portfolio records 1 eviction, 9 open violations, and 2 litigation cases. Data last updated September 7, 2026. Across Greenwood, Sunnyside, and Bay Ridge in Brooklyn and Queens, 639 4Th Ave LLC is an owner associated with 4 buildings and 49 units. The portfolio spans multiple neighborhoods across Brooklyn and Queens. The buildings were built primarily in the 1910s and 2000s, reflecting multiple generations of development. The portfolio consists of mainly mid-rise buildings. About a quarter of the associated buildings have rent-stabilized apartments.

Renter recommendations

-%

Renters recommend associated buildings

-%

Renters approve of this owner or associate

Reviews

Former tenant·Over 2 years ago

Great apartments and location, but noisy

Pros

Building is very well maintained, directly above a 24 hour huge supermarket.

Cons

Very constant and loud street noise.

Advice to the owners

Katy is the best!

Former tenant·Over 3 years ago

Good value, lots of little problems

Pros

Lots of closet space, great layout, great community, quiet

Cons

Just OK building manager, cheap appliances, terrible insulation

Advice to the owners

When real issues arise, hire licensed professionals to fix them in a timely manner.

Buildings associated with 639 4TH AVE LLC

  • 46-01 Greenpoint Avenue

    46-01 Greenpoint Avenue

    4.6(2)

    Sunnyside

  • 378 Rear 93 Street
    Rent-stabilized

    378 Rear 93 Street

    Bay Ridge

  • 639 4 Avenue
    Good cause

    639 4 Avenue

    2.4(2)

    Greenwood

  • 214 Rear 23 Street

    214 Rear 23 Street

    Greenwood

46-01 Greenpoint Avenue

46-01 Greenpoint Avenue

4.6(2)

Sunnyside

378 Rear 93 Street
Rent-stabilized

378 Rear 93 Street

Bay Ridge

639 4 Avenue
Good cause

639 4 Avenue

2.4(2)

Greenwood

214 Rear 23 Street

214 Rear 23 Street

Greenwood

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 average0.18Violations per unit
NYC average0.81Violations per unit
1Class 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

8Class 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

639 4Th Ave LLC has an average tenant rating of 3.5 out of 5 across 4 reviews.

Buildings managed by 639 4Th Ave LLC average 0.18 open violations per unit, fewer than the citywide average of 0.81.

75% of tenants who reviewed buildings managed by 639 4Th Ave LLC would recommend living there.

639 4Th Ave LLC has not appeared on the NYC worst landlords list.

639 4Th Ave LLC owns or manages 4 buildings totalling 49 units.

639 4Th Ave LLC has 2 housing court litigation cases across their portfolio.

639 4Th Ave LLC has 1 recorded eviction across their portfolio.

50% of tenants who reviewed a building managed by 639 4Th Ave LLC approve of how it is run.

6

639 4th Ave Llc

Owner·4 buildings·49 units
3.5

4 reviews

Follow us

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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

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© 2026 Openigloo Inc. All rights reserved.