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709 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03385-0001Map

Owner of record: 709 Knickerbocker LLC

709 Knickerbocker Avenue is a mixed residential and retail building built in 1907 in Brooklyn, 11237. It has 5 residential units across 3 floors. The owner of record is 709 Knickerbocker LLC. HPD has recorded 32 housing violations here, most recently on October 17, 2025. 2 of the 32 most recent violations are still open.

HPD violations
32
DOB violations
4
ECB violations
1
HPD complaints
19

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Oct 17, 2025

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 · 32

  • C

    Properly repair or replace the broken or defective saddle at floor in the kitchen located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • C

    Properly repair or replace the broken or defective shut off value at radiator at east wall in the 1st room from north at east located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • C

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

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • B

    Properly repair the source and abate the evidence of a water leak active water leak at ceiling in the bathroom located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all walls and ceilings in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Open — Certification postponment denied
  • B

    M/d law abate the nuisance consisting of key operated lock at door leading to fire escape preventing 2nd means of egress in the 1st room from north at east located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • A

    Replace with new the missing missing outlet cover at south wall in the 1st room from north at east located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • A

    Paint with light colored paint to the satisfaction of this department all walls and ceilings in the entire apartment located at apt 2l, 2nd story, 1st apartment from west at north

    Oct 17, 2025 · Apt 2L

    Open — Certification postponment denied
  • B

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

    Oct 17, 2025 · Apt 2L

    Closed — Violation dismissed
  • C

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

    Oct 8, 2025 · Apt 2L

    Closed — Violation dismissed
Show 22 more ↓
  • B

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2l, 2nd story, 1st apartment from north at east

    Oct 8, 2025 · Apt 2L

    Closed — Violation dismissed
  • B

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

    Oct 8, 2025 · Apt 2L

    Closed — Violation dismissed
  • C

    Fire escape defective. properly secure metal tread, 2nd from bottom, 2nd story , fire escape at south

    Jun 30, 2025

    Closed — Violation closed
  • 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

    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 27, 2024

    Closed — Violation dismissed
  • A

    Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2l, 2nd story, 1st apartment from north at east

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • C

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

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • A

    Replace with new the missing wood saddle in the entrance located at apt 2l, 2nd story, 1st apartment from north at east

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box missing at public hall, 1st story

    Nov 6, 2024

    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. at public hall

    Nov 6, 2024

    Closed — Violation closed
  • A

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

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • 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 2l, 2nd story, 1st apartment from north at east

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • A

    Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story

    Nov 6, 2024

    Closed — Violation closed
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling.

    Nov 6, 2024

    Closed — Violation closed
  • A

    Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected at public hall

    Nov 6, 2024

    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 2l, 2nd story, 1st apartment from north at east original violation 17403527 issued 06-nov-24 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).

    Nov 6, 2024 · Apt 2L

    Closed — Violation closed
  • 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

    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.

    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 10, 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.

    Apr 9, 2021

    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 18, 2018

    Closed — Violation dismissed
  • 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 200 watts minimum required fixture present light not on

    Feb 22, 1999

    Closed — Violation closed

DOB building violations · 4

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 6, 2006

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 27, 2001

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jul 25, 1994

    Dob violation - dismissed
  • Boiler boiler optional

    B-boiler boiler optional

    Feb 27, 1989

    Dob violation - dismissed

ECB violations · 1

  • Non-hazardous

    B4a, 24b, 32a, 40, 50, 50a,b,c,d,e. 50. burner missing dar kit. 50a. missing shut off valve on oil line at tank. 50b. missing auto mixing valve for domestic h/w. 50c. missing blow down piping on backflow &

    Oct 19, 2007 · Penalty $180

    Resolve

Complaints

  • Paint/plaster

    Ceiling

    Oct 16, 2025 · Apt 2L

    Close
  • Flooring/stairs

    Floor

    Oct 16, 2025 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    Oct 16, 2025 · Apt 2L

    Close
  • Door/window

    Window frame

    Oct 16, 2025 · Apt 2L

    Close
  • Plumbing

    Radiator

    Oct 16, 2025 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Oct 16, 2025 · Apt 2L

    Close
  • Electric

    Outlet/switch

    Oct 16, 2025 · Apt 2L

    Close
  • Water leak

    Heavy flow

    Oct 16, 2025 · Apt 2L

    Close
  • General

    Cabinet

    Oct 16, 2025 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Oct 6, 2025 · Apt 2L

    Close
Show 9 more ↓
  • Unsanitary condition

    Pests

    Oct 6, 2025 · Apt 2L

    Close
  • Water leak

    Slow leak

    Oct 6, 2025 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    Oct 6, 2025 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Nov 4, 2024 · Apt 2L

    Close
  • Water leak

    Slow leak

    Nov 4, 2024 · Apt 2L

    Close
  • Paint/plaster

    Cabinet

    Nov 4, 2024 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Nov 4, 2024 · Apt 2L

    Close
  • Paint/plaster

    Wall

    Jul 26, 2023 · Apt 3L

    Close
  • Unsanitary condition

    Mold

    Jul 26, 2023 · Apt 3L

    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 (S5)
Year built
1907
Floors
3
Residential units
5
Building area
5,280 ft²
Lot area
2,090 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3385 / 1
Assessed value
$530,100
Landmark / historic district
No

HPD registration #332539, last renewed Jun 16, 2025.

Questions about 709 Knickerbocker Avenue

Who owns 709 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 709 Knickerbocker LLC.

Does 709 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 32 housing violations at this property.

Is 709 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 709 Knickerbocker Avenue built?

City records list 1907 as the year it was built.

How many apartments are in 709 Knickerbocker Avenue?

It has 5 residential units and 6 units in total.

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