722 Knickerbocker Avenue
Brooklyn, NY 11221BBL 3-03391-0033Map
Owner of record: The Decom Santiago Protective Trust
722 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 The Decom Santiago Protective Trust. HPD has recorded 57 housing violations here, most recently on May 5, 2026. 40 of the 50 most recent violations are still open.
- HPD violations
- 57
- DOB violations
- 9
- ECB violations
- 0
- HPD complaints
- 0
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
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 57
- 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.
May 5, 2026
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
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 27, 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.
Apr 10, 2024
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 21, 2023
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
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 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
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.
Apr 9, 2021
Closed — Violation dismissed
Show 40 more ↓
- 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 9, 2021
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.
Oct 30, 2019
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 18, 2018
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, 2016
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 - 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.
Feb 23, 2015
Closed — Violation dismissed - 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 required
Nov 18, 1998
Open — Nov certified late - ANon-hazardous
Provide a peep hole in entrance door of the dwelling unit so located so as to permit a person inside the dwelling to view any person outside entrance door entrance door 3 sty north apt 3r. located at apt 3r
Nov 12, 1991 · Apt 3R
Open — Nov sent out - CImmediately hazardous
M/d law abate the nuisance consisting of uncapped steam pipe 1 sty public hall er1.
Nov 12, 1991
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective 3 sty north apt 3r chaparro. located at apt 3r
Nov 12, 1991 · Apt 3R
Open — Nov sent out - BHazardous
Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 3 sty apt north apt 3r.
Nov 12, 1991
Open — Nov sent out - BHazardous
Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 3 sty south apt 6. , section '' ''
Dec 9, 1988 · Apt 6
Open — Nov sent out - CImmediately hazardous
M/d law abate the nuisance consisting of double cylinder key operated lock 3 sty south apt 6. , section '' ''
Dec 9, 1988 · Apt 6
Open — Nov sent out - BHazardous
Properly repair the broken or defective wooden treads 4 up from bottom cellar to 1 sty public hall.
Dec 9, 1987
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of unused mattresses stored cellar rear.
Dec 9, 1987
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of excessive storage of bicycles & parts cellar rear.
Dec 9, 1987
Open — Nov sent out - CImmediately hazardous
Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system 1 sty public hall & on boiler room door.
Dec 9, 1987
Open — Nov sent out - BHazardous
Install and maintain sufficient light or lights of at least 100 watts incandescent or equivalent each, to light adequately from sunset to sunrise the ear yard.
Dec 9, 1987
Open — Nov sent out - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the boiler room cellar rear.
Dec 9, 1987
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective plaster ceiling cellar front.
Dec 9, 1987
Open — Nov sent out - CImmediately hazardous
Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system 1 sty public hall & on boiler room door.
Nov 30, 1987
Open — Nov sent out - ANon-hazardous
D26-20.08 adm code post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box missing.
Nov 30, 1987
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective 3 sty south apt 3l rivera. located at apt 3l
Nov 30, 1987 · Apt 3L
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color north wall 3 sty south apt 3l 2 room from front. located at apt 3l
Nov 30, 1987 · Apt 3L
Open — Nov sent out - BHazardous
Arrange and make self-closing the doors entrance 3 sty south apt 3l. located at apt 3l
Nov 30, 1987 · Apt 3L
Open — Nov sent out - ANon-hazardous
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.
Nov 30, 1987
Open — Nov sent out - ANon-hazardous
Section 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration drop ceiling installed 1 sty south apt 1l bathroom. located at apt 1l
Nov 30, 1987 · Apt 1L
Open — Nov sent out - ANon-hazardous
Section 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration drop ceiling installed 2 sty south apt 2l bathroom. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - CImmediately hazardous
M/d law abate the nuisance consisting of double cylinder key operated lock installed entrance door to 3 sty south apt 3l. located at apt 3l
Nov 30, 1987 · Apt 3L
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective 2 sty north apt 2r diaz. located at apt 2r
Nov 30, 1987 · Apt 2R
Open — Nov sent out - BHazardous
Replace with new the missing ceramic wall tiles 2 sty south apt 2r bathroom. located at apt 2r
Nov 30, 1987 · Apt 2R
Open — Nov sent out - BHazardous
Properly repair the broken or defective mechanical spring balance upper sash 2 sty south apt 2r rear room. located at apt 2r
Nov 30, 1987 · Apt 2R
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department walls & ceilings 2 sty south apt 2l rear room. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - BHazardous
Repair or replace the smoke detector defective 2 sty south apt 2l ortiz. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - BHazardous
Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 2 sty south apt 2l. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - ANon-hazardous
Provide a peep hole in entrance door of the dwelling unit so located so as to permit a person inside the dwelling to view any person outside entrance door 2 sty south apt 2l. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - BHazardous
Arrange and make self-closing the doors entrance 2 sty south apt 2l. located at apt 2l
Nov 30, 1987 · Apt 2L
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective plaster walls & ceiling 2 sty public hall.
Nov 30, 1987
Open — Nov sent out - ANon-hazardous
Refit door entrance to 1 sty north apt 1r. located at apt 1r
Nov 30, 1987 · Apt 1R
Open — Nov sent out - CImmediately hazardous
M/d law abate the nuisance consisting of double cylinder key operated lock installed entrance door to 1 sty north apt 1r. located at apt 1r
Nov 30, 1987 · Apt 1R
Open — Nov sent out
DOB building violations · 9
- Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2015 inspection report
Feb 24, 2017
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 7, 2000
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 16, 1999
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
Sep 16, 1997
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 · 0
No ECB violations on record
Complaints
No HPD complaints in our records
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 / 33
- Assessed value
- $602,100
- Landmark / historic district
- No
HPD registration #350070, last renewed Dec 2, 2025.
Questions about 722 Knickerbocker Avenue
Who owns 722 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is The Decom Santiago Protective Trust.
Does 722 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 57 housing violations at this property.
Is 722 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 722 Knickerbocker Avenue built?
City records list 1910 as the year it was built.
How many apartments are in 722 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.