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879 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03437-0009Map

Owner of record: 879 Knickerbocker Avenue LLC

879 Knickerbocker Avenue is a walk-up apartment building built in 1904 in Brooklyn, 11237. It has 10 residential units across 3 floors. The owner of record is 879 Knickerbocker Avenue LLC. HPD has recorded 353 housing violations here, most recently on May 6, 2026. 38 of the 50 most recent violations are still open. City tax records listed 10 rent-stabilized apartments here in 2024.

HPD violations
353
DOB violations
8
ECB violations
2
HPD complaints
425

What to know

Concern
12 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 6, 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 2024
10
About 100% of the building's 10 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 · 353

  • A

    Post a proper notice regarding rent stabilization law, in a form approved by the commissioner, in a conspicuous location within the common area at the buildings entrance. for more information about signage requirements, please visit: https://www.nyc.gov/site/hpd/services-and-information/required-signage.page

    May 6, 2026

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective marble saddle at vestibule , 1st story

    May 6, 2026

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations defective in the entire apartment located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules defective in the entire apartment located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective counter balance at lower window sash in the 1st room from east located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • A

    Refit the door in the 1st room from east located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective counter balance at upper window sash in the 1st room from east located at apt 8, 3rd story, 1st apartment from west at north

    May 6, 2026 · Apt 8

    Open — Nov sent out
  • C

    Properly repair or replace the broken or defective counter balance at upper sash at window at west in the 4th room from north located at apt 8, 3rd story, 1st apartment from south at west

    Feb 12, 2026 · Apt 8

    Open — Nov sent out
  • C

    Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 8, 3rd story, 1st apartment from south at west

    Feb 12, 2026 · Apt 8

    Open — Nov sent out
Show 40 more ↓
  • C

    Properly repair or replace the broken or defective counter balance at lower sash at 1st window from east at south in the 4th room from north located at apt 8, 3rd story, 1st apartment from south at west

    Feb 12, 2026 · Apt 8

    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.

    Mar 23, 2023

    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 7, 2022

    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.

    Feb 25, 2022

    Closed — Violation dismissed
  • 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

    Closed — Violation dismissed
  • A

    Replace with new the broken or defective ceramic floor tile in the kitchen located at apt 2, 1st story, 2nd apartment from north at east

    Sep 9, 2021 · Apt 2

    Open — Nov sent out
  • A

    Properly repair the broken or defective electrical outlets at north and east walls in the kitchen located at apt 2, 1st story, 2nd apartment from north at east

    Sep 9, 2021 · Apt 2

    Open — Nov sent out
  • A

    Properly repair the broken or defective electrical outlet at west wall in the 1st room from east located at apt 2, 1st story, 2nd apartment from north at east

    Sep 9, 2021 · Apt 2

    Open — Nov sent out
  • A

    Properly repair and abate unsafe electric wiring condition consisting of loose wiring at ceiling lighting in the 2nd room from east located at apt 2, 1st story, 2nd apartment from north at east

    Sep 9, 2021 · Apt 2

    Open — Nov sent out
  • A

    Properly repair the broken or defective mortise lock set on door in the entrance located at apt 2, 1st story, 2nd apartment from north at east

    Sep 9, 2021 · Apt 2

    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

    Closed — Violation dismissed
  • 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

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department at east wall at public hall, 1st story

    Feb 17, 2021

    Open — Nov sent out
  • C

    Code: arrange and make self-closing the doors ,,, in the entrance located at apt 7, 3rd story, 1st apartment from west at north

    Feb 17, 2021 · Apt 7

    Open — Nov sent out
  • 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 = 4; wg to replace = 0; wg to repair = 0; in the entire apartment located at apt 7, 3rd story, 1st apartment from west at north

    Feb 17, 2021 · Apt 7

    Open — Nov sent out
  • B

    Replace with new the broken or defective mortise lock in the entrance located at apt 7, 3rd story, 1st apartment from west at north

    Feb 17, 2021 · Apt 7

    Open — Nov sent out
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 7, 3rd story, 1st apartment from west at north

    Feb 17, 2021 · Apt 7

    Open — Notice of issuance sent to tenant
  • C

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

    Feb 17, 2021 · Apt 2

    Open — Notice of issuance sent to tenant
  • C

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

    Feb 17, 2021 · Apt 2

    Open — Notice of issuance sent to tenant
  • B

    Properly repair with similar material the broken or defective fire retarded materialat ceiling at public hall, 1st story

    Feb 17, 2021

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective fire retarded material at wall at public hall, 1st story

    Feb 17, 2021

    Open — Nov sent out
  • C

    Code: arrange and make self-closing the doors at bulkhead at roof , 3rd story

    Feb 17, 2021

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling at public hall, 1st story

    Feb 17, 2021

    Open — Nov sent out
  • C

    M/d law abate the nuisance consisting of a motor vehicle below rear rear fire escape preventing safe landing of drop ladder

    Feb 20, 2020

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of consisiting of chain and padlock at west gate at rear yard preventing egress from fire esdcape

    Feb 20, 2020

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department ceiling at public hall, 1st story

    Oct 24, 2019

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective fire retardant plaster ceiling at public hall, 1st story

    Oct 24, 2019

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color ceiling in the kitchen located at apt 2, 1st story, 1st apartment from north at east

    Oct 24, 2019 · Apt 2

    Open — Nov sent out
  • B

    Properly secure the loose upper cabinets at west wall in the kitchen located at apt 2, 1st story, 2nd apartment from north at east

    Oct 24, 2019 · Apt 2

    Open — Nov sent out
  • C

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

    Oct 24, 2019 · Apt 2

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes house hold items at 2nd and 3rd story balconies west stack

    Mar 3, 2019

    Open — Nov sent out
  • B

    Fire egress defective. remove the obstruction in fireproof passageway motor vehicle stored under dropladder of fire escape at east side of building

    Mar 3, 2019

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the bathroom , the 3rd room from north located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    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 closet from west at north wall door in the 4th room from north located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    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 from north at east wall, 1st door frame from north at east wall in the kitchen located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Open — Nov sent out
  • B

    Trace and repair the source and abate the nuisance consisting of mold ... ..... west wall, ceiling in the bathroom located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Open — Nov sent out
  • B

    Replace with new the broken or defective door in the 4th room from north located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Open — Nov sent out
  • B

    Repair or replace the smoke detector defective located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Closed — Violation closed
  • B

    Arrange and make self-closing the doors .... in the entrance located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department .... north wall in the kitchen located at apt 8, 3rd story, 1st apartment from south at west

    Jan 2, 2019 · Apt 8

    Closed — Violation closed

DOB building violations · 8

  • Low pressure boiler boiler required

    Violation issued-failure to file 2024 external low pressure inspection

    Nov 14, 2025

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2020 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - active
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 10, 1997

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jun 1, 1994

    Dob violation - active
  • 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 - active

ECB violations · 2

  • Non-hazardous

    38/ 44c

    Dec 17, 2001

    Resolve
  • Non-hazardous

    49 (1)backflow preventor & safety value piping angled

    Aug 14, 2000 · Penalty $180

    Active

Complaints

  • Heat/hot water

    Apartment only

    Feb 7, 2026 · Apt 8

    Close
  • Door/window

    Door

    Feb 7, 2026 · Apt 8

    Close
  • Door/window

    Window frame

    Feb 7, 2026 · Apt 8

    Close
  • Safety

    Fire escape

    Feb 7, 2026 · Apt 8

    Close
  • Heat/hot water

    Apartment only

    Feb 4, 2026 · Apt 8

    Close
  • Door/window

    Window frame

    Jan 31, 2026 · Apt 8

    Close
  • Heat/hot water

    Apartment only

    Jan 31, 2026 · Apt 8

    Close
  • Unsanitary condition

    Mold

    Feb 18, 2023 · Apt 4

    Close
  • Flooring/stairs

    Floor

    Sep 2, 2021 · Apt 2

    Close
  • Water leak

    Slow leak

    Sep 2, 2021 · Apt 2

    Close
Show 40 more ↓
  • Paint/plaster

    Ceiling

    Sep 2, 2021 · Apt 2

    Close
  • Electric

    Outlet/switch

    Sep 2, 2021 · Apt 2

    Close
  • Heat/hot water

    Apartment only

    Feb 13, 2021 · Apt 2

    Close
  • Door/window

    Door

    Feb 10, 2021 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Feb 5, 2021 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Feb 5, 2021 · Apt 2

    Close
  • Safety

    Smoke detector

    Feb 5, 2021 · Apt 2

    Close
  • Safety

    Carbon monoxide detector

    Feb 5, 2021 · Apt 2

    Close
  • Safety

    Fire escape

    Feb 5, 2021 · Apt 5

    Close
  • Unsanitary condition

    Pests

    Feb 5, 2021 · Apt 5

    Close
  • Unsanitary condition

    Pests

    Feb 5, 2021 · Apt 5

    Close
  • Door/window

    Door

    Feb 5, 2021 · Apt 5

    Close
  • Safety

    Smoke detector

    Feb 5, 2021 · Apt 5

    Close
  • Safety

    Carbon monoxide detector

    Feb 5, 2021 · Apt 5

    Close
  • Safety

    Fire escape

    Feb 4, 2021 · Apt BLDG

    Close
  • Outside building

    Roof door/hatch

    Feb 4, 2021 · Apt BLDG

    Close
  • Door/window

    Door

    Feb 4, 2021 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Feb 4, 2021 · Apt BLDG

    Close
  • Paint/plaster

    Ceiling

    Feb 4, 2021 · Apt BLDG

    Close
  • Paint/plaster

    Wall

    Feb 4, 2021 · Apt 7

    Close
  • Paint/plaster

    Ceiling

    Feb 4, 2021 · Apt 7

    Close
  • Safety

    Window guard broken/missing

    Feb 4, 2021 · Apt 7

    Close
  • Electric

    Lighting

    Jan 13, 2020 · Apt 2

    Close
  • Paint/plaster

    Wall

    Oct 17, 2019 · Apt 2

    Close
  • Paint/plaster

    Ceiling

    Oct 17, 2019 · Apt 2

    Close
  • General

    Cabinet

    Oct 17, 2019 · Apt 2

    Close
  • Flooring/stairs

    Floor

    Oct 17, 2019 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Oct 17, 2019 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Oct 2, 2019 · Apt 2

    Close
  • Paint/plaster

    Door/frame

    Feb 5, 2019 · Apt 8

    Close
  • Paint/plaster

    Ceiling

    Feb 5, 2019 · Apt 8

    Close
  • Paint/plaster

    Wall

    Feb 5, 2019 · Apt 8

    Close
  • Unsanitary condition

    Mold

    Feb 5, 2019 · Apt 8

    Close
  • Paint/plaster

    Ceiling

    Dec 26, 2018 · Apt 8

    Close
  • Paint/plaster

    Ceiling

    Dec 26, 2018 · Apt 8

    Close
  • Paint/plaster

    Wall

    Dec 26, 2018 · Apt 8

    Close
  • Paint/plaster

    Door/frame

    Dec 26, 2018 · Apt 8

    Close
  • Paint/plaster

    Door/frame

    Dec 26, 2018 · Apt 8

    Close
  • Unsanitary condition

    Mold

    Dec 26, 2018 · Apt 8

    Close
  • Heat/hot water

    Entire building

    Nov 29, 2018 · Apt 8

    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 (C7)
Year built
1904
Floors
3
Residential units
10
Building area
8,100 ft²
Lot area
3,000 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3437 / 9
Assessed value
$282,600
Landmark / historic district
No

HPD registration #356863, last renewed Jul 24, 2025.

Questions about 879 Knickerbocker Avenue

Who owns 879 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 879 Knickerbocker Avenue LLC.

Does 879 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 353 housing violations at this property.

Is 879 Knickerbocker Avenue rent stabilized?

NYC Department of Finance tax bills listed 10 rent-stabilized units here in 2024 (about 100% of its 10 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 879 Knickerbocker Avenue built?

City records list 1904 as the year it was built.

How many apartments are in 879 Knickerbocker Avenue?

It has 10 residential units and 11 units in total.

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