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C

Charles Knoll

Shareholder·2 buildings·77 units
2.1

1 reviews

Highlights

3
Evictions
1
Litigation cases

About Charles Knoll

Charles Knoll is a modestly rated but responsible shareholder. Across their buildings, tenants rate them 2.1/5 across 1 review, with 0% recommending their buildings and 0% approving of them as an owner or associate. Their portfolio records 3 evictions, 20 open violations, and 1 litigation case. Data last updated September 8, 2026. Charles Knoll is a shareholder associated with 2 buildings and 77 units across Mapleton in Brooklyn. The portfolio is concentrated in Mapleton in Brooklyn. The buildings were built primarily in the 1920s and are mostly low-rise. All of the associated buildings have rent-stabilized apartments. Prospective renters can find building-level ratings, reviews, and open-data records on the associated building pages.

Renter recommendations

-%

Renters recommend associated buildings

-%

Renters approve of this owner or associate

Reviews

Former tenant·10 minutes ago

Review of 1806 48th street

Pros

Great neighbors and community in the building

Cons

The first floor main door was broken and I’ve seen multiple rats, cockroaches, and other pests , the water pressure is not that good and the heating has problems

Advice to the owners

Fix the 1st floor main door

Buildings associated with CHARLES KNOLL

  • 1806 48 Street
    Rent-stabilized

    1806 48 Street

    2.1(1)

    Mapleton

  • 4815 18 Avenue
    Rent-stabilized

    4815 18 Avenue

    Mapleton

1806 48 Street
Rent-stabilized

1806 48 Street

2.1(1)

Mapleton

4815 18 Avenue
Rent-stabilized

4815 18 Avenue

Mapleton

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 average0.25Violations per unit
NYC average0.81Violations per unit
14Class C
Immediately hazardous

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

6Class 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

Charles Knoll has an average tenant rating of 2.1 out of 5 across 1 reviews.

Buildings managed by Charles Knoll average 0.25 open violations per unit, fewer than the citywide average of 0.81.

0% of tenants who reviewed buildings managed by Charles Knoll would recommend living there.

Charles Knoll has not appeared on the NYC worst landlords list.

Charles Knoll has 3 recorded evictions across their portfolio.

Charles Knoll has 1 housing court litigation case across their portfolio.

Charles Knoll owns or manages 2 buildings totalling 77 units.

C

Charles Knoll

Shareholder·2 buildings·77 units
2.1

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.