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794 Knickerbocker Avenue

Brooklyn, NY 11207BBL 3-03412-0035Map

Owner of record: Ghaffarian, Maria Doris

794 Knickerbocker Avenue is a walk-up apartment building built in 1920 in Brooklyn, 11207. It has 3 residential units across 3 floors. The owner of record is Ghaffarian, Maria Doris. HPD has recorded 49 housing violations here, most recently on May 5, 2026. 46 of the 49 most recent violations are still open.

HPD violations
49
DOB violations
0
ECB violations
0
HPD complaints
32

What to know

Concern
8 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 5, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 49

  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    May 5, 2026

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 18, 2025

    Open — Info nov sent out
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Jun 10, 2025

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 26, 2024

    Open — Info nov sent out
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Apr 10, 2024

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 17, 2023

    Open — Info nov sent out
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Mar 23, 2023

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 7, 2022

    Open — Info nov sent out
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Feb 25, 2022

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Feb 25, 2022

    Open — Info nov sent out
Show 39 more ↓
  • A

    File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or as described on hpds website, www.nyc.gov\hpd, search bed bugs.

    Apr 9, 2021

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 9, 2021

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Oct 30, 2019

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Oct 18, 2018

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 10, 2016

    Closed — Violation dismissed
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Oct 9, 2015

    Closed — Violation dismissed
  • C

    Provide adequate supply of hot water for the fixtures at kitchen and bathroom in the entire apartment located at apt 2, 2nd story, 1st apartment from south at west

    Jan 14, 2014 · Apt 2

    Open — Invalid certification
  • C

    Provide adequate supply of cold water for the fixtures at kitchen and bathroom in the entire apartment located at apt 2, 2nd story, 1st apartment from south at west

    Jan 14, 2014 · Apt 2

    Open — Invalid certification
  • C

    Provide adequate supply of cold water for the fixtures in the entire apartment located at apt 3, 3rd story, apartment at south

    Sep 22, 2007 · Apt 3

    Open — Nov sent out
  • C

    Provide adequate supply of hot water for the fixtures in the entire apartment located at apt 3, 3rd story, apartment at south

    Sep 22, 2007 · Apt 3

    Open — Nov sent out
  • B

    Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following a minimum of 100 watts required

    Jul 4, 2007

    Open — Nov sent out
  • B

    Trace and repair the source and abate the nuisance consisting of mold ... at walls and ceiling in the bathroom located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ,, north wall in the bathroom located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department ,, 1st door frame from south at west wall in the 1st room from east located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ,, south wall in the kitchen located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • A

    Paint metal in accordance with dept. regulation ,, 1st door from south at west wall in the kitchen located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Replace with new the broken or defective window glass pane at south lower sash window in the 2nd room from east located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ,, ceiling in the 2nd room from east located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Arrange and make self-closing the doors at apt entrance located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Abate the nuisance consisting of vermin mice in the entire apartment located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny ?11-06(b)(2) east wall in the bathroom located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny ?11-06(b)(2) 1st door frame from south at west wall in the kitchen located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny ?11-06(b)(2) 1st door frame from south at west wall, 1st window sash from east at south wall in the 2nd room from east located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny ?11-06(b)(2) 2nd window frame from north at east wall in the 1st room from east located at apt 1fl, 1st story, 1st apartment from south at west

    Jun 25, 2007 · Apt 1FL

    Open — Nov sent out
  • B

    Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following 100 watts required

    Mar 27, 2005

    Open — Nov sent out
  • B

    Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following 100 watts minimum

    Nov 15, 1998

    Open — Nov sent out
  • B

    Section 300, 301, 302, m/d law file plans and obtain a certificate of occupancy to legalize the following alteration or restore premises to prior legal condition 1 sty apt subdivided into 2 apts

    Aug 6, 1991

    Open — Nov sent out
  • B

    Discontinue the unlawful use as separately occupied sleeping rooms or, provide unobstructed access to each required means of egress northeast room 3 sty apt 3 prime bristol roomer ramos , section '' ''

    Aug 1, 1991 · Apt 3

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of front entrance door to bldg locked preventing access to bells 1 sty vestibule

    Jul 10, 1991

    Open — Nov sent out
  • B

    Section 300, 301, 302, m/d law file plans and obtain a certificate of occupancy to legalize the following alteration or restore premises to prior legal condition 3 sty apt made into 3 apts

    Jul 9, 1991

    Open — Nov sent out
  • B

    Provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing 3 sty apts

    Jul 9, 1991

    Open — Nov sent out
  • B

    Discontinue use of rooms for living, disconnect plumbing fixtures and properly seal pipe connections thru out cellar.

    May 3, 1991

    Open — Nov sent out
  • B

    Discontinue the unlawful use as separately occupied sleeping rooms or, provide unobstructed access to each required means of egress 1 sty apt 1. located at apt 1

    May 3, 1991 · Apt 1

    Open — Nov sent out
  • B

    Discontinue the unlawful use as separately occupied sleeping rooms or, provide unobstructed access to each required means of egress 2 sty apt 2. located at apt 2

    May 3, 1991 · Apt 2

    Open — Nov sent out
  • B

    Discontinue the unlawful use as separately occupied sleeping rooms or, provide unobstructed access to each required means of egress 3 sty apt 3. located at apt 3

    May 3, 1991 · Apt 3

    Open — Nov sent out
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from at least 1 window or provide approved type gate 1 sty east apt 1. located at apt 1

    Mar 3, 1989 · Apt 1

    Open — Nov sent out
  • B

    Discontinue use of rooms for living, disconnect plumbing fixtures and properly seal pipe connections center cellar.

    Aug 18, 1988

    Open — Nov sent out
  • B

    Replace with new the missing glass upper sash window 1 sty rear public hall.

    Dec 14, 1987

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of stuffed furniture mattresses & sofa stored cellar.

    Dec 14, 1987

    Open — Nov sent out

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

  • Plumbing

    Water supply

    Jan 13, 2014 · Apt 1

    Close
  • Plumbing

    Water supply

    Jan 10, 2014 · Apt 1

    Close
  • General

    Doors

    Nov 15, 2011 · Apt 2FL

    Close
  • General

    Mailbox

    Nov 15, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 15, 2011 · Apt 2FL

    Close
  • General

    Mailbox

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Locks

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 13, 2011 · Apt 2FL

    Close
Show 22 more ↓
  • General

    Locks

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Locks

    Nov 13, 2011 · Apt 2FL

    Close
  • General

    Doors

    Nov 13, 2011 · Apt 2FL

    Close
  • Nonconst

    Rubbish

    May 29, 2008 · Apt 3

    Close
  • Appliance

    Refrigerator

    May 29, 2008 · Apt 3

    Close
  • Appliance

    Electric/gas range

    May 29, 2008 · Apt 3

    Close
  • Electric

    Electric-supply

    May 29, 2008 · Apt 3

    Close
  • Nonconst

    Vermin

    May 29, 2008 · Apt 3

    Close
  • Nonconst

    Janitor/super

    Apr 2, 2008 · Apt 1FL

    Close
  • General

    Doors

    Apr 2, 2008 · Apt 1FL

    Close
  • Nonconst

    Rubbish

    Apr 2, 2008 · Apt 1FL

    Close
  • Nonconst

    Rubbish

    Apr 2, 2008 · Apt 1FL

    Close
  • Heating

    Heat related

    Nov 10, 2007 · Apt BLDG

    Close
  • Heating

    Heat related

    Nov 3, 2007 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Sep 22, 2007 · Apt 3

    Close
  • Electric

    Wiring

    Apr 7, 2007 · Apt 1FL

    Close
  • Electric

    Lighting

    Apr 7, 2007 · Apt 1FL

    Close
  • Heating

    Heat related

    Apr 7, 2007 · Apt 1FL

    Close
  • Heating

    Heat related

    Mar 5, 2007 · Apt 1FL

    Close
  • Heating

    Heat related

    Feb 19, 2007 · Apt BLDG

    Close
  • Heating

    Heat related

    Jan 9, 2007 · Apt BLDG

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C0)
Year built
1920
Floors
3
Residential units
3
Building area
3,600 ft²
Lot area
2,000 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3412 / 35
Assessed value
$129,840
Landmark / historic district
No

HPD registration #350344, last renewed Nov 9, 2018.

Questions about 794 Knickerbocker Avenue

Who owns 794 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Ghaffarian, Maria Doris.

Does 794 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 49 housing violations at this property.

Is 794 Knickerbocker Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 794 Knickerbocker Avenue built?

City records list 1920 as the year it was built.

How many apartments are in 794 Knickerbocker Avenue?

It has 3 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.