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G

Gregory Karelas

Site Manager·1 building·16 units
4.5

1 reviews

Highlights

No
Evictions
No
Litigation cases

About Gregory Karelas

Gregory Karelas is a well-regarded and reliable site manager. Across their buildings, tenants rate them 4.5/5 across 1 review, with 100% recommending their buildings and 100% approving of them as an owner or associate. Their portfolio records 0 evictions, 0 open violations, and 0 litigation cases. Data last updated August 21, 2026. Across Park Slope in Brooklyn, Gregory Karelas is a site manager associated with 1 building and 16 units. The portfolio is concentrated in Park Slope in Brooklyn. The building was built in the 1930s and is a low-rise structure. 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·2 months ago

Great location, decent building

Pros

Great location, street facing apartments get good light, friendly neighbors

Cons

Heat could be better and there are some roaches. Nothing crazy but worth noting

Buildings associated with GREGORY KARELAS

  • 403 6 Avenue
    Rent-stabilized

    403 6 Avenue

    4.5(1)

    Park Slope

403 6 Avenue
Rent-stabilized

403 6 Avenue

4.5(1)

Park Slope

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

Gregory Karelas has an average tenant rating of 4.5 out of 5 across 1 reviews.

100% of tenants who reviewed buildings managed by Gregory Karelas would recommend living there.

Gregory Karelas has not appeared on the NYC worst landlords list.

Gregory Karelas has no recorded evictions across their portfolio.

Gregory Karelas owns or manages 1 building totalling 16 units.

100% of tenants who reviewed a building managed by Gregory Karelas approve of how it is run.

Gregory Karelas has no housing court litigation cases across their portfolio.

G

Gregory Karelas

Site Manager·1 building·16 units
4.5

1 reviews

Follow us

For renters

Apartments for rent in NYCRenting tips and resourcesVerified apartment listings in NYCBuildings and owners in NYCOwners in NYCNYC 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.