663 Knickerbocker Avenue
Brooklyn, NY 11221BBL 3-03378-0010Map
Owner of record: 663 Property LLC
663 Knickerbocker Avenue is a mixed residential and retail building built in 1910 in Brooklyn, 11221. It has 2 residential units across 3 floors. The owner of record is 663 Property LLC. HPD has recorded 74 housing violations here, most recently on November 24, 2025. 7 of the 50 most recent violations are still open.
- HPD violations
- 74
- DOB violations
- 38
- ECB violations
- 1
- HPD complaints
- 51
What to know
No open immediately-hazardous violations among recent records.
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 · 74
- 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 24, 2025
Open — Info 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 7, 2019
Closed — Violation dismissed - CImmediately hazardous
Properly repair the broken or defective lock at front entrance door to building , 1st story
May 17, 2019
Closed — Violation closed - ANon-hazardous
Properly repair the broken or defective metal tread nosings-2 thru 18- up from bottom at public hall stairs, 1st story
May 17, 2019
Open — Nov sent out - ANon-hazardous
Properly secure the loose balustrade to east wall at public hall, 3rd story
May 17, 2019
Closed — Violation dismissed - BHazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 3, 3rd story, apartment at east
May 17, 2019 · Apt 3
Closed — Violation dismissed - BHazardous
Abate the infestation consisting of mice in the entire apartment located at apt 3, 3rd story, apartment at east
May 17, 2019 · Apt 3
Closed — Violation dismissed - ANon-hazardous
Reset, so as to secure a proper and tight connection, the water closet bowl .. in the bathroom located at apt 3, 3rd story, apartment at east
May 17, 2019 · Apt 3
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective vinyl floor tiles in the kitchen located at apt 3, 3rd story, apartment at east
May 17, 2019 · Apt 3
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective cabinet doors at south wall above sink in the kitchen located at apt 3, 3rd story, apartment at east
May 17, 2019 · Apt 3
Closed — Violation dismissed
Show 40 more ↓
- ANon-hazardous
Properly repair the broken or defective metal tread nosings-1 thru 15-up from bottom at public hall stairs, 2nd story
May 17, 2019
Open — Nov sent out - ANon-hazardous
Replace with new the broken or defective swith plate at south wall in the bathroom located at apt 2, 2nd story, 1st apartment from west at north
Mar 25, 2019 · Apt 2
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective caulking around bathtub in the bathroom located at apt 2, 2nd story, 1st apartment from west at north
Mar 25, 2019 · Apt 2
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all walls and ceilings in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north
Mar 25, 2019 · Apt 2
Closed — Violation dismissed - BHazardous
Abate the infestation consisting of roaches located at apt 2, 2nd story, 1st apartment from west at north
Mar 25, 2019 · Apt 2
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective ceramic tiles at south wall in the bathroom located at apt 2, 2nd story, 1st apartment from west at north
Mar 25, 2019 · Apt 2
Closed — Violation dismissed - BHazardous
Trace and repair the source and abate the visible mold condition... at ceiling appx 3 sq.ft , south wall appx 2 sq.ft , east wall appx. 2 sq.ft in the bathroom located at apt 3fl, 3rd story, 1st apartment from west at north original violation 12926318 issued 22-feb-19 has been upgraded to class b per administrative code §27-2017.3a(3)(a) or (b).
Feb 22, 2019 · Apt 3FL
Open — First no access to re- inspect violation - BHazardous
Properly repair the broken or defective electrical outlet at east wall in the 4th room from north located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in uniform color ceilings and walls at all stys at public hall
Feb 22, 2019
Closed — Violation dismissed - BHazardous
Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective mecanical ventilation at ceiling in the bathroom located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Properly secure the loose base cabinet at washbasin in the bathroom located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - ANon-hazardous
Trace and repair the source and abate the visible mold condition... at ceiling appx 3 sq.ft , south wall appx 2 sq.ft , east wall appx. 2 sq.ft in the bathroom located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation closed - BHazardous
Abate the infestation consisting of mice in the entire apartment located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective counter balance at top sash window in the kitchen located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective light fixture at ceiling in the 4th room from north located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department trims in the entire apartment located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - BHazardous
Remove all encumbrances consisting of rubbish and house hold items at all stys at public hall
Feb 22, 2019
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in uniform color ceilings and walls in the entire apartment located at apt 3fl, 3rd story, 1st apartment from west at north
Feb 22, 2019 · Apt 3FL
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective vinyl floor tiles in the kitchen located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - BHazardous
Provide a safe and adequate supply of electric service to the fixtures at ceiling in the 5th room from east located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - CImmediately hazardous
Provide a safe and adequate supply of electric service to the fixtures at ceiling and north wall, 2nd and 3rd stories at public hall
Feb 19, 2019
Closed — Violation dismissed - ANon-hazardous
Properly repair with similar material the broken or defective grout at ceramic tiles at west wall in the bathroom located at apt 3rd, 3rd story
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - BHazardous
Repair the leaky and/or defective faucets at bathtub in the bathroom located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - BHazardous
Abate the infestation consisting of mice in the entire apartment located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - CImmediately hazardous
Replace with new the broken or defective glass pane at lower window sash at east wall in the 1st room from east at north located at apt 3rd, 3rd story
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - ANon-hazardous
Properly repair the broken or defective counterbalance at upper window sash in the kitchen located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - ANon-hazardous
Properly repair the broken or defective (inoperative) mechanical ventilation system at ceiling in the bathroom located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
Closed — Violation dismissed - ANon-hazardous
Repair the broken or defective plastered surfaces and paint in uniform color ..the ceilings and all walls in the entire apartment located at apt 3rd, 3rd story, apartment at east
Feb 19, 2019 · Apt 3RD
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 30, 2018
Closed — Violation dismissed - BHazardous
Remove all obstructions and repair all defects in the waste line of bathtub in the bathroom located at apt 2, 2nd story
Nov 9, 2017 · Apt 2
Closed — Violation closed - 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.
Mar 27, 2017
Closed — Violation dismissed - CImmediately hazardous
Abate the nuisance consisting of uncapped steam riser at public hall, 1st story
Mar 22, 2017
Closed — Violation closed - CImmediately hazardous
Abate the nuisance consisting of leaking steam shut off valve at radiator in the 4th room from north at west located at apt 2fl, 2nd story, 1st apartment from west at north
Dec 17, 2013 · Apt 2FL
Closed — Violation closed - CImmediately hazardous
Abate the nuisance consisting of uncapped radiator valve at public hall, 2nd story
Dec 17, 2013
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in uniform color the ceiling in the 4th room from north at west located at apt 2fl, 2nd story, 1st apartment from west at north
Dec 17, 2013 · Apt 2FL
Open — Nov sent out - BHazardous
Properly repair the source and abate the evidence of a water leak above the ceiling in the 3rd room from north at west located at apt 2fl, 2nd story, 1st apartment from west at north
Dec 17, 2013 · Apt 2FL
Open — Nov sent out - BHazardous
Properly repair the source and abate the evidence of a water leak above the ceiling in the 4th room from north at west located at apt 2fl, 2nd story, 1st apartment from west at north
Dec 17, 2013 · Apt 2FL
Open — Nov sent out
DOB building violations · 38
- Low pressure boiler boiler required
Violation issued-failure to file 2020 external low pressure inspection
Jun 30, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 2023
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - active - Plumbing none
The dob intends to revoke all approvals and permits under plumbing job #340558916 due to suspension of master plumbers license. stop all plumbing work under above mentioned permit and obtain a new master plumber to supersede the plumbing permit
Oct 28, 2018
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2016 inspection report
Apr 6, 2018
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2015 inspection report
Feb 24, 2017
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2014 inspection report
Oct 1, 2015
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2013 inspection report
Mar 3, 2015
Dob violation - active - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2012 inspection report
May 15, 2014
Dob violation - active
Show 28 more ↓
- Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2011 inspection report
Mar 1, 2013
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 1, 2009
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 3, 2008
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - active - 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
Jan 6, 2006
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 31, 2005
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 31, 2005
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 13, 2004
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
Dob violation - dismissed - 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
Mar 26, 2002
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 27, 2001
Dob violation - active - 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
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
May 4, 1998
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 16, 1997
Dob violation - dismissed - 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
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
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 · 1
- Class - 2
B265 as per class 2 (b265) 28-303.7 failure to file a complete boilerinspection report as per dob records. submit a current b09 report.
May 1, 2017 · Penalty $500
Resolve
Complaints
- Unsanitary condition
Mold
May 23, 2019 · Apt 2ND
Close - Flooring/stairs
Stairs
May 15, 2019 · Apt 3
Close - Flooring/stairs
Floor
May 15, 2019 · Apt 3
Close - Unsanitary condition
Pests
May 15, 2019 · Apt 3
Close - Unsanitary condition
Pests
May 15, 2019 · Apt 3
Close - Plumbing
Toilet
May 15, 2019 · Apt 3
Close - General
Cabinet
May 15, 2019 · Apt 3
Close - Door/window
Window frame
May 15, 2019 · Apt 3
Close - Unsanitary condition
Garbage/recycling storage
May 15, 2019 · Apt 3
Close - Flooring/stairs
Floor
May 15, 2019 · Apt 3
Close
Show 40 more ↓
- General
Cabinet
May 15, 2019 · Apt 3
Close - Unsanitary condition
Mold
May 15, 2019 · Apt 3
Close - Flooring/stairs
Stairs
May 15, 2019 · Apt 3
Close - Unsanitary condition
Pests
Feb 19, 2019 · Apt 3FL
Close - Paint/plaster
Ceiling
Feb 19, 2019 · Apt 3FL
Close - Door/window
Window frame
Feb 19, 2019 · Apt 3FL
Close - Electric
Lighting
Feb 19, 2019 · Apt 3FL
Close - Flooring/stairs
Floor
Feb 19, 2019 · Apt 3FL
Close - Paint/plaster
Wall
Feb 19, 2019 · Apt 3FL
Close - Electric
Wiring
Feb 19, 2019 · Apt 3FL
Close - Electric
Lighting
Feb 13, 2019 · Apt 3RD
Close - Paint/plaster
Wall
Feb 13, 2019 · Apt 3RD
Close - General
Ventilation system
Feb 13, 2019 · Apt 3RD
Close - Door/window
Window frame
Feb 13, 2019 · Apt 3RD
Close - Door/window
Window frame
Feb 13, 2019 · Apt 3RD
Close - Unsanitary condition
Pests
Feb 13, 2019 · Apt 3RD
Close - Unsanitary condition
Pests
Feb 13, 2019 · Apt 3RD
Close - Unsanitary condition
Mold
Feb 13, 2019 · Apt 3RD
Close - Plumbing
Basin/sink
Feb 13, 2019 · Apt 3RD
Close - Plumbing
Water supply
Feb 13, 2019 · Apt 3RD
Close - Unsanitary condition
Mold
Oct 27, 2017 · Apt 2
Close - Unsanitary condition
Mold
Oct 27, 2017 · Apt 2
Close - Unsanitary condition
Mold
Oct 27, 2017 · Apt 2
Close - Unsanitary condition
Mold
Oct 27, 2017 · Apt 2
Close - Unsanitary condition
Mold
Sep 18, 2017 · Apt 2
Close - Unsanitary condition
Mold
Aug 5, 2015 · Apt 2FL
Close - Heat/hot water
Apartment only
Oct 20, 2014 · Apt 2
Close - Heating
Heat related
Jan 4, 2014 · Apt 2FL
Close - Plumbing
Water-leaks
Dec 11, 2013 · Apt 2FL
Close - Paint/plaster
Ceiling
Dec 11, 2013 · Apt 2FL
Close - Paint/plaster
Ceiling
Dec 11, 2013 · Apt 2FL
Close - Paint/plaster
Ceiling
Dec 11, 2013 · Apt 2FL
Close - Plumbing
Water-leaks
Dec 7, 2013 · Apt 2FL
Close - Plumbing
Water-leaks
Dec 7, 2013 · Apt 2FL
Close - Paint/plaster
Ceiling
Dec 7, 2013 · Apt 2FL
Close - General
Floor
Dec 7, 2013 · Apt 2FL
Close - Plumbing
Water-leaks
Dec 7, 2013 · Apt 2FL
Close - Plumbing
Water-leaks
Dec 7, 2013 · Apt 2FL
Close - Plumbing
Radiator
Dec 7, 2013 · Apt 2FL
Close - General
Cabinet
Dec 7, 2013 · Apt 2FL
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S2)
- Year built
- 1910
- Floors
- 3
- Residential units
- 2
- Building area
- 4,300 ft²
- Lot area
- 1,900 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3378 / 10
- Assessed value
- $79,680
- Landmark / historic district
- No
HPD registration #817921, last renewed Sep 5, 2024.
Questions about 663 Knickerbocker Avenue
Who owns 663 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 663 Property LLC.
Does 663 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 74 housing violations at this property.
Is 663 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 663 Knickerbocker Avenue built?
City records list 1910 as the year it was built.
How many apartments are in 663 Knickerbocker Avenue?
It has 2 residential units and 3 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.