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784 Knickerbocker Avenue

Brooklyn, NY 11207BBL 3-03412-0030Map

Owner of record: Jc Real Estate Development L.p.

784 Knickerbocker Avenue is a mixed residential and retail building built in 1925 in Brooklyn, 11207. It has 2 residential units across 2 floors. The owner of record is Jc Real Estate Development L.p.. HPD has recorded 93 housing violations here, most recently on July 31, 2026. 20 of the 50 most recent violations are still open. City tax records listed 3 rent-stabilized apartments here in 2019.

HPD violations
93
DOB violations
10
ECB violations
2
HPD complaints
104

What to know

Concern
11 open Class C

Immediately hazardous issues among recent violations are still open.

Watch
Last violation Jul 31, 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

Rent-stabilized units in 2019
3
About 100% of the building's 2 apartments

Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.

Stabilized units by tax-bill year

Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 93

  • A

    Properly repair with similar material the broken or defective mortar at lintel over building entrance door

    Jul 31, 2026

    Open — 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.

    May 5, 2026

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak at east wall and ceiling in the foyer located at apt 1a, 1st story, 1st apartment from south at west

    Jul 7, 2025 · Apt 1A

    Open — Nov sent out
  • A

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

    Jul 7, 2025 · Apt 1A

    Open — Nov sent out
  • A

    Properly repair the source and abate the evidence of a water leak at ceiling in the 4th room from north located at apt 1a, 1st story, 1st apartment from south at west

    Jul 7, 2025 · Apt 1A

    Open — Nov sent out
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the 4th room from north located at apt 1a, 1st story, 1st apartment from south at west

    Jul 7, 2025 · Apt 1A

    Open — Nov sent out
  • C

    Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the entire apartment located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 12, 2025 · Apt 2B

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling in the bathroom located at apt 2b, 2nd story, 1st apartment from north at east original violation 17819349 issued 10-apr-25 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Apr 10, 2025 · Apt 2B

    Open — First no access to re- inspect violation
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling in the bathroom located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 10, 2025 · Apt 2B

    Closed — Violation closed
  • B

    Repair the roof so that it will not leak at ceiling in the 1st room from north located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 10, 2025 · Apt 2B

    Closed — Violation closed
Show 40 more ↓
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at all window recesses in the 1st room from north located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 10, 2025 · Apt 2B

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 10, 2025 · Apt 2B

    Open — Defect letter issued
  • B

    Repair the roof so that it will not leak at ceiling in the 2nd room from north located at apt 2b, 2nd story, 1st apartment from north at east

    Apr 10, 2025 · Apt 2B

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the bathroom , the 4th room from east at north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 8, 2025 · Apt 2A

    Closed — Violation closed
  • B

    Repair the roof so that it will not leak over ceiling in the 4th room from east at north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 8, 2025 · Apt 2A

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective window sill at 1st window from east at north in the 4th room from east at north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 8, 2025 · Apt 2A

    Closed — Violation closed
  • B

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

    Mar 8, 2025 · Apt 2A

    Closed — Violation closed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd.

    Mar 5, 2025

    Closed — Violation closed
  • C

    Certify compliance with lead-based paint hazard control requirements during period of unit vacancy by performing activities necessary to abate presumed lead-based paint from required window and/or door friction surfaces for apartment and make floors smooth and cleanable, presumed lead paint in an apartment with a child under six located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 4, 2025 · Apt 2A

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - presumed lead paint that is peeling or on a deteriorated subsurface using work practices set forth in 28 rcny §11-06(b)(2) 1st window frame from east at south wall in the 5th room from north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 4, 2025 · Apt 2A

    Open — Defect letter issued
  • C

    Correct the lead-based paint hazard - presumed lead paint that is peeling or on a deteriorated subsurface using work practices set forth in 28 rcny §11-06(b)(2) 2nd window frame from south at west wall in the 4th room from north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 4, 2025 · Apt 2A

    Open — Defect letter issued
  • C

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

    Mar 4, 2025 · Apt 2A

    Open — Defect letter issued
  • C

    M/d law abate the nuisance consisting of hot water exceeding maximum temperature of 130 degrees in the kitchen located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 2, 2025 · Apt 2A

    Closed — Violation closed
  • B

    Properly repair or replace the broken or defective intercom relay system from building front to the south wall in the 4th room from east at north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 2, 2025 · Apt 2A

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective wood floor in the 4th room from east at north located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 2, 2025 · Apt 2A

    Closed — Violation closed
  • B

    Repair the roof so that it will not leak over the ceiling in the 1st bathroom from east located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 2, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Mar 2, 2025 · Apt 2A

    Closed — Violation closed
  • A

    Properly repair or replace the broken or defective bell and return buzzer system from building front to east wall in the 1st room from north located at apt 2a, 2nd story, 1st apartment from east at south

    Feb 28, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 2a, 2nd story, 1st apartment from east at south

    Feb 28, 2025 · Apt 2A

    Open — Defect letter issued
  • C

    M/d law abate the nuisance consisting of scalding hot water exeeds maximum allowable temperature of 130f at all fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from east at south

    Feb 28, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2a, 2nd story, 1st apartment from east at south

    Feb 28, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door locked at boiler room

    Feb 28, 2025

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door locked at 1st story to cellar at boiler room

    Feb 26, 2025

    Closed — Violation closed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 26, 2025 · Apt 2A

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of hot water temperature exceeding the maximum of 130 degrees at all hot water fixtures in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 26, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 1, wg to replace = 0, wg to repair = 0 in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 26, 2025 · Apt 2A

    Open — Not complied with
  • B

    Properly repair with similar material the broken or defective wood floor in the 2nd room from north located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 26, 2025 · Apt 2A

    Open — Not complied with
  • C

    Properly repair with similar material the broken or defective wood floor in the 2nd room from east located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 25, 2025 · Apt 2A

    Open — Not complied with
  • C

    M/d law abate the nuisance consisting of hot water exceeding the maximum temperature of 130 degrees f at all hot water fixtures at kitchen and bathroom in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 25, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door leading to boiler room locked at 1st story public hall. at boiler room, 1st story

    Feb 18, 2025

    Closed — Violation closed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2b, 2nd story, 1st apartment from west at north

    Feb 18, 2025 · Apt 2B

    Open — Nov sent out
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color at north and west walls in the 4th room from east located at apt 2b, 2nd story, 1st apartment from west at north

    Feb 18, 2025 · Apt 2B

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak above ceiling in the 2nd room from east located at apt 2b, 2nd story, 1st apartment from west at north

    Feb 18, 2025 · Apt 2B

    Open — Nov sent out
  • C

    Replace or repair the self-closing the doors that is missing or defective hinges at door in the entrance located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 16, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Abate the infestation consisting of mice in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 16, 2025 · Apt 2A

    Open — Defect letter issued
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 1, wg to replace = 0, wg to repair = 0 in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 16, 2025 · Apt 2A

    Open — Not complied with
  • C

    M/d law abate the nuisance consisting of scalding hot water of 139 degrees at all hot water fixtures; exceeding the maximum allowable temperature of 130 degrees in the entire apartment located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 16, 2025 · Apt 2A

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door to basement locked at 1 story public hall at boiler room

    Feb 16, 2025

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the 3rd room from east, the 2nd bathroom from east located at apt 2a, 2nd story, 1st apartment from south at west

    Feb 16, 2025 · Apt 2A

    Closed — Violation closed
  • B

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

    Feb 16, 2025 · Apt 2A

    Closed — Violation closed

DOB building violations · 10

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 1, 2009

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 3, 2008

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 16, 1999

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    May 4, 1998

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Sep 16, 1997

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 16, 1993

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1993

    Dob violation - dismissed

ECB violations · 2

  • Class - 2

    Failure to maintain building walls/appurtenances. at time of inspection observed at exposure#1/2 vertical/horizontal step cracks with separation., maintain exterior building wall

    Apr 23, 2026 · Penalty $1,250

    Active
  • Class - 2

    Failure to safeguard all persons and property affected by constructionoperations. in that job #301993074-01-al was filed. entire gut renovation new partition walls. adjacent bldg had sustained interior wall

    Mar 3, 2009 · Penalty $6,000

    Resolve

Complaints

  • General

    Ventilation system

    Apr 22, 2026 · Apt 2B

    Close
  • Door/window

    Window frame

    Apr 22, 2026 · Apt 2B

    Close
  • Unsanitary condition

    Mold

    Apr 22, 2026 · Apt 2B

    Close
  • General

    Bell/buzzer/intercom

    Jul 7, 2025 · Apt 1A

    Close
  • Paint/plaster

    Ceiling

    Jul 7, 2025 · Apt 1A

    Close
  • Paint/plaster

    Ceiling

    Jul 7, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Apr 11, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Apr 8, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Mar 4, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Mar 3, 2025 · Apt 2B

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Mar 2, 2025 · Apt 2B

    Close
  • Heat/hot water

    Apartment only

    Mar 2, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Mar 1, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 28, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 27, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 26, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 25, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Feb 22, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 20, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Feb 20, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Feb 18, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Feb 18, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Feb 17, 2025 · Apt 1A

    Close
  • Water leak

    Heavy flow

    Feb 17, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Feb 17, 2025 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Feb 16, 2025 · Apt 1A

    Close
  • Plumbing

    Toilet

    Feb 16, 2025 · Apt 2A

    Close
  • General

    Bell/buzzer/intercom

    Feb 16, 2025 · Apt 2A

    Close
  • Unsanitary condition

    Mold

    Feb 16, 2025 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Feb 16, 2025 · Apt 2A

    Close
  • Paint/plaster

    Ceiling

    Feb 13, 2025 · Apt 1A

    Close
  • Paint/plaster

    Ceiling

    Feb 13, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Jan 7, 2025 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Dec 23, 2024 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Nov 2, 2023 · Apt BLDG

    Close
  • Plumbing

    Toilet

    Dec 29, 2022 · Apt 2A

    Close
  • Heat/hot water

    Entire building

    Dec 29, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Dec 29, 2022 · Apt 2A

    Close
  • Water leak

    Slow leak

    Dec 29, 2022 · Apt 2A

    Close
  • Door/window

    Door

    Dec 29, 2022 · Apt 2A

    Close
  • Plumbing

    Basin/sink

    Dec 29, 2022 · Apt 2A

    Close
  • Unsanitary condition

    Mold

    Dec 29, 2022 · Apt 2A

    Close
  • General

    Bell/buzzer/intercom

    Dec 29, 2022 · Apt 2A

    Close
  • Heat/hot water

    Apartment only

    Dec 27, 2022 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Dec 19, 2022 · Apt BLDG

    Close
  • Door/window

    Door

    May 24, 2022 · Apt 2A

    Close
  • General

    Bell/buzzer/intercom

    May 24, 2022 · Apt 2A

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Mixed residential and retail building (S9)
Year built
1925
Floors
2
Residential units
2
Building area
4,200 ft²
Lot area
2,100 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3412 / 30
Assessed value
$466,200
Landmark / historic district
No

HPD registration #382887, last renewed Oct 9, 2025.

Questions about 784 Knickerbocker Avenue

Who owns 784 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Jc Real Estate Development L.p..

Does 784 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 93 housing violations at this property.

Is 784 Knickerbocker Avenue rent stabilized?

NYC Department of Finance tax bills listed 3 rent-stabilized units here in 2019 (about 100% of its 2 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 784 Knickerbocker Avenue built?

City records list 1925 as the year it was built.

How many apartments are in 784 Knickerbocker Avenue?

It has 2 residential units and 5 units in total.

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