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726 Knickerbocker Avenue

Brooklyn, NY 11221BBL 3-03391-0036Map

Owner of record: Ramirez Maximo

726 Knickerbocker Avenue is a walk-up apartment building built in 1910 in Brooklyn, 11221. It has 6 residential units across 3 floors. The owner of record is Ramirez Maximo. HPD has recorded 76 housing violations here, most recently on May 3, 2026. 13 of the 50 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.

HPD violations
76
DOB violations
7
ECB violations
0
HPD complaints
56

What to know

Concern
4 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 3, 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
6
About 100% of the building's 6 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 · 76

  • C

    Provide a safe and adequate supply of electric service to the fixtures at all fixtures and outlets in the entire apartment located at apt 3r, 3rd story, 2nd apartment from east at south

    May 3, 2026 · Apt 3R

    Closed — Violation closed
  • C

    Provide a safe and adequate supply of electric service to the fixtures at ceiling fixtures throughout all public hallways at all stories

    May 3, 2026

    Open — Nov sent out
  • C

    Immediately provide a fire guard as directed by the nyc dept. of housing preservation & development (hpd) and/or the nyc dept. of buildings (dob) to protect against fire hazards observed by hpd and/or dob. fire hazards observed by hpd have resulted in the following additional hpd violation(s): under violation: 18850009 in order to protect public safety against imminent fire hazards observed, a fire guard must be provided forthwith for continuous 24 hour coverage, notwithstanding the correction and certification dates set forth above (the correction and certification dates set forth above are applicable for purposes of civil penalties that may be assessed pursuant to nyc administrative code § 27-2115, but do not reflect the date by which a fire guard must be provided). a fire guard must be provided immediately due to the exigency of the dangerous fire hazard conditions observed. the violation requiring a fire guard to be provided will remain open until such time as the fire hazards resulting in the hpd violation(s) referenced above and/or the fire hazards resulting in related dob violation(s) have been dismissed.

    May 3, 2026

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective latch at building front entrance door , 1st story

    Feb 24, 2026

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective hinges at vestibule door , 1st story

    Feb 24, 2026

    Closed — Violation closed
  • C

    Abate the infestation consisting of roaches in the entire apartment located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Open — Notice of issuance sent to tenant
  • A

    Trace and repair the source and abate the visible mold condition... less than 10sq feet at the west wall in the private hallway located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation at the tin ceiling in the 2nd room from north located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Open — Nov sent out
  • B

    Trace and repair the source and abate the visible mold condition... less than 10sq feet at the west wall in the private hallway located at apt 2r, 2nd story, 2nd apartment from east at south original violation 18578655 issued 17-jan-26 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Jan 17, 2026 · Apt 2R

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

    Properly repair the source and abate the evidence of a water leak at the ceiling and west wall in the private hallway located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Open — Nov sent out
Show 40 more ↓
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at the north wall in the kitchen located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Open — Nov sent out
  • B

    Properly repair the source and abate the evidence of a water leak at the ceiling in the 3rd room from north located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    Open — Nov sent out
  • C

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

    Jan 17, 2026 · Apt 2R

    Open — Notice of issuance sent to tenant
  • 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 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    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 missing in the entire apartment located at apt 2r, 2nd story, 2nd apartment from east at south

    Jan 17, 2026 · Apt 2R

    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 19, 2025

    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.

    Jun 10, 2025

    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 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.

    Feb 25, 2022

    Closed — Violation dismissed
  • B

    Provide adequate supply of cold water for the fixtures wash basin in the bathroom located at apt 1r, 1st story, 1st apartment from east at south

    Jan 30, 2017 · Apt 1R

    Closed — Violation dismissed
  • B

    Provide adequate supply of hot water for the fixtures wash basin in the bathroom located at apt 1r, 1st story, 1st apartment from east at south

    Jan 30, 2017 · Apt 1R

    Closed — Violation dismissed
  • B

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

    Jan 30, 2017 · Apt 1R

    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 1r, 1st story, 1st apartment from east at south

    Jan 30, 2017 · Apt 1R

    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
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agency?s housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall, 1st story

    Aug 21, 2015

    Open — Nov sent out
  • C

    Properly repair with similar material the broken or defective fireretarded plaster at ceiling and soffit at public hall, 3rd story

    Sep 12, 2014

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department ceiling and soffit at public hall, 3rd story

    Sep 12, 2014

    Closed — Violation closed
  • C

    Remove the illegal fastening consisting of double cilynder key operated lock on metal gate , at front areaway

    Dec 2, 2008

    Closed — Violation closed
  • B

    Abate the nuisance consisting of vermin bedbugs in the entire apartment located at apt 2r, 2nd story, 1st apartment from west at north

    May 16, 2007 · Apt 2R

    Closed — Violation closed
  • 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 incand. minimum required) at front areaway, 1st story

    Jan 8, 2007

    Closed — Violation closed
  • B

    Abate the nuisance consisting of vermin mice in the entire apartment located at apt 2r, 2nd story, 1st apartment from west at north

    Aug 25, 2005 · Apt 2R

    Closed — Violation closed
  • B

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

    Aug 25, 2005 · Apt 2R

    Closed — Violation closed
  • 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

    Closed — Violation closed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint south wall front center room 2 sty apt 2r er1 97018069. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective at 2 sty apt 2r collado. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Replace with new the missing door knob and lock at vestibule door.

    Sep 3, 1997

    Closed — Violation closed
  • C

    M/d law abate the nuisance consisting of seal opening at dumbwaiter shaft at center roof.

    Sep 3, 1997

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective brick and mortar center chimney at roof.

    Sep 3, 1997

    Open — False certification
  • C

    Remove or cover in a manner approved by the department the peeling lead paint front room north east walls 2 sty southwest apt 2r callado 9190736. located at apt 2r

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint 2 rooms from front east wall 2 sty southwest apt 2r callado 9190736 er 97018625. located at apt 2r

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Properly repair the broken or defective ceiling light fixture front center room 2 sty apt 2r. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Repair or replace the smoke detector defective 2 sty apt 2r collado. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 2 sty apt 2r. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • B

    Properly secure the loose ceiling light fixture kitchen 2 sty apt 2r. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint south wall front center room 2 sty apt 2r er1 97018069. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint window stool and door rear room 2 sty apt 2r er1 97018069. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed
  • C

    Remove or cover in a manner approved by the department the peeling lead paint east and north walls kitchen 2 sty apt 2r collado 919 0736 er1 97018069. , section '' ''

    Sep 3, 1997 · Apt 2R

    Open — Defect letter issued
  • B

    Repair the leaky and/or defective faucets bathtub bathroom 2 sty apt 2r. , section '' ''

    Sep 3, 1997 · Apt 2R

    Closed — Violation closed

DOB building violations · 7

  • Low pressure boiler boiler required

    Violation issued-failure to file 2021 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    May 4, 1998

    Dob violation - active
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Aug 29, 1995

    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 · 0

No ECB violations on record

Complaints

  • Electric

    Power outage

    May 3, 2026 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Feb 21, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 21, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 10, 2026 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Feb 10, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 10, 2026 · Apt BLDG

    Close
  • Water leak

    Slow leak

    Jan 17, 2026 · Apt 2R

    Close
  • Unsanitary condition

    Pests

    Jan 17, 2026 · Apt 2R

    Close
  • Unsanitary condition

    Mold

    Jan 17, 2026 · Apt 2R

    Close
  • Electric

    Power outage

    Jun 26, 2024 · Apt 3R

    Close
Show 40 more ↓
  • Heat/hot water

    Entire building

    Jan 7, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 3, 2022 · Apt BLDG

    Close
  • Electric

    Power outage

    Jan 7, 2018 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Feb 26, 2017 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Jan 30, 2017 · Apt 1R

    Close
  • Heat/hot water

    Apartment only

    Jan 29, 2017 · Apt 1R

    Close
  • Heat/hot water

    Entire building

    Jan 17, 2017 · Apt 2L

    Close
  • Heat/hot water

    Entire building

    Jan 10, 2017 · Apt 2R

    Close
  • Heat/hot water

    Entire building

    Dec 30, 2016 · Apt 3L

    Close
  • Heat/hot water

    Entire building

    Nov 17, 2015 · Apt 1R

    Close
  • Paint/plaster

    Wall

    Sep 6, 2014 · Apt 3L

    Close
  • Paint/plaster

    Wall

    Sep 6, 2014 · Apt 3L

    Close
  • Electric

    Wiring

    Sep 6, 2014 · Apt 3L

    Close
  • Electric

    Lighting

    Sep 6, 2014 · Apt 3L

    Close
  • Paint/plaster

    Wall

    Sep 6, 2014 · Apt 3L

    Close
  • Paint/plaster

    Ceiling

    Sep 6, 2014 · Apt 3L

    Close
  • Heating

    Heat related

    Oct 23, 2011 · Apt 3R

    Close
  • Heating

    Heat related

    Nov 23, 2008 · Apt 1F

    Close
  • Paint/plaster

    Ceiling

    Jun 22, 2008 · Apt 3R

    Close
  • Electric

    Electric-supply

    May 17, 2008 · Apt BLDG

    Close
  • Heating

    Heat related

    Apr 8, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Apr 2, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Mar 28, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Mar 25, 2008 · Apt 2R

    Close
  • Nonconst

    Vermin

    Mar 21, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Mar 21, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Mar 19, 2008 · Apt BLDG

    Close
  • Heating

    Heat related

    Mar 18, 2008 · Apt 2R

    Close
  • Nonconst

    Vermin

    Mar 18, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Mar 6, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Feb 28, 2008 · Apt 2R

    Close
  • Nonconst

    Vermin

    Feb 13, 2008 · Apt 2R

    Close
  • Nonconst

    Janitor/super

    Jan 13, 2008 · Apt 3L

    Close
  • Electric

    Electric-supply

    Jan 13, 2008 · Apt 3L

    Close
  • Nonconst

    Vermin

    May 2, 2007 · Apt 2R

    Close
  • Paint/plaster

    Wall

    Jan 5, 2007 · Apt 1

    Close
  • Paint/plaster

    Wall

    Jan 5, 2007 · Apt 1

    Close
  • Nonconst

    Vermin

    Jan 5, 2007 · Apt 1

    Close
  • Nonconst

    Vermin

    Jan 5, 2007 · Apt 1

    Close
  • Nonconst

    Vermin

    Jan 5, 2007 · Apt 1

    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 (C2)
Year built
1910
Floors
3
Residential units
6
Building area
5,850 ft²
Lot area
2,600 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3391 / 36
Assessed value
$602,100
Landmark / historic district
No

HPD registration #303542, last renewed Jun 29, 2026.

Questions about 726 Knickerbocker Avenue

Who owns 726 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Ramirez Maximo.

Does 726 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 76 housing violations at this property.

Is 726 Knickerbocker Avenue rent stabilized?

NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 726 Knickerbocker Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 726 Knickerbocker Avenue?

It has 6 residential units.

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