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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

Concern
6 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 5, 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

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 · 57

  • 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.

    May 5, 2026

    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

    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 27, 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.

    Apr 10, 2024

    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 21, 2023

    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

    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 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

    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
Show 40 more ↓
  • 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

    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.

    Oct 30, 2019

    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
  • 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, 2016

    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
  • 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 23, 2015

    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 100 watts minimum required

    Nov 18, 1998

    Open — Nov certified late
  • A

    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
  • C

    M/d law abate the nuisance consisting of uncapped steam pipe 1 sty public hall er1.

    Nov 12, 1991

    Open — Nov sent out
  • B

    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
  • B

    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
  • B

    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
  • C

    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
  • B

    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
  • B

    M/d law abate the nuisance consisting of unused mattresses stored cellar rear.

    Dec 9, 1987

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of excessive storage of bicycles & parts cellar rear.

    Dec 9, 1987

    Open — Nov sent out
  • C

    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
  • B

    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
  • B

    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
  • B

    Properly repair with similar material the broken or defective plaster ceiling cellar front.

    Dec 9, 1987

    Open — Nov sent out
  • C

    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
  • A

    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
  • B

    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
  • B

    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
  • B

    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
  • 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.

    Nov 30, 1987

    Open — Nov sent out
  • A

    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
  • A

    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
  • C

    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
  • B

    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
  • B

    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
  • B

    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
  • A

    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
  • B

    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
  • B

    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
  • A

    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
  • B

    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
  • B

    Properly repair with similar material the broken or defective plaster walls & ceiling 2 sty public hall.

    Nov 30, 1987

    Open — Nov sent out
  • A

    Refit door entrance to 1 sty north apt 1r. located at apt 1r

    Nov 30, 1987 · Apt 1R

    Open — Nov sent out
  • C

    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

Complaint data is still being backfilled from NYC Open Data.

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 / 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.