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
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
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.
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
- CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at vestibule door , 1st story
Feb 24, 2026
Closed — Violation closed - CImmediately hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 ↓
- BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - IInformation / order
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 - ANon-hazardous
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 - ANon-hazardous
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 - ANon-hazardous
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 - IInformation / order
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - IInformation / order
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 - ANon-hazardous
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 - CImmediately hazardous
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 - ANon-hazardous
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 - CImmediately hazardous
Remove the illegal fastening consisting of double cilynder key operated lock on metal gate , at front areaway
Dec 2, 2008
Closed — Violation closed - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - BHazardous
Repair or replace the smoke detector defective at 2 sty apt 2r collado. , section '' ''
Sep 3, 1997 · Apt 2R
Closed — Violation closed - BHazardous
Replace with new the missing door knob and lock at vestibule door.
Sep 3, 1997
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of seal opening at dumbwaiter shaft at center roof.
Sep 3, 1997
Closed — Violation closed - BHazardous
Properly repair with similar material the broken or defective brick and mortar center chimney at roof.
Sep 3, 1997
Open — False certification - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
Repair or replace the smoke detector defective 2 sty apt 2r collado. , section '' ''
Sep 3, 1997 · Apt 2R
Closed — Violation closed - BHazardous
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 - BHazardous
Properly secure the loose ceiling light fixture kitchen 2 sty apt 2r. , section '' ''
Sep 3, 1997 · Apt 2R
Closed — Violation closed - CImmediately hazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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
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.