651 Knickerbocker Avenue
Brooklyn, NY 11221BBL 3-03365-0103Map
Owner of record: Serlin Building Limited Partnership
651 Knickerbocker Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11221. It has 8 residential units across 4 floors. The owner of record is Serlin Building Limited Partnership. HPD has recorded 13 housing violations here, most recently on August 23, 2023. 1 of the 13 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 13
- DOB violations
- 11
- ECB violations
- 1
- HPD complaints
- 48
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
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 · 13
- BHazardous
Repair or replace the smoke detector defective in the entire apartment located at apt 4a, 4th story, 2nd apartment from east at south
Aug 23, 2023 · Apt 4A
Closed — Violation dismissed - BHazardous
Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 4a, 4th story, 2nd apartment from east at south
Aug 23, 2023 · Apt 4A
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
Properly repair with similar material the broken or defective vinyl floor tile in the kitchen located at apt 3b, 3rd story, 1st apartment from east at south
Jun 10, 2021 · Apt 3B
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective ceramic tile at west wall in the bathroom located at apt 3b, 3rd story, 1st apartment from east at south
Jun 10, 2021 · Apt 3B
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retarding ceiling at public hall, 1st story
Apr 30, 2019
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department ceiling at public hall, 1st story
Apr 30, 2019
Closed — Violation dismissed - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling at public hall, 1st story
Apr 30, 2019
Closed — Violation dismissed - ANon-hazardous
Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected at public hall, 1st story
Oct 15, 2017
Closed — Violation dismissed - 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. at public hall, 1st story
Oct 15, 2017
Closed — Violation dismissed
Show 3 more ↓
- BHazardous
Repair or replace the smoke detector inoperable located at apt 1a lower level, 1st story, 1st apartment from north at east
Jul 25, 2017 · Apt 1A
Closed — Violation dismissed - BHazardous
Repair or replace the smoke detector inoperable located at apt 1a upper level, 1st story, 1st apartment from north at east
Jul 25, 2017 · Apt 1A
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
DOB building violations · 11
- Construction other optional
C-construction other optional
Jan 16, 2008
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 19, 2007
Dob violation - dismissed - 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
Mar 19, 2003
Dob violation - dismissed - 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
Mar 16, 1999
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - 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 - dismissed
Show 1 more ↓
- Plumbing none
P-plumbing none
Oct 15, 1990
Dob violation - dismissed
ECB violations · 1
- Hazardous
Failure to protect & safeguard public & property affected by construction operations under appl # 301418525 w/post amendment approval in that concrete masonry stair and stoop w/form erected at entry to bldg
Jan 16, 2008 · Penalty $1,000
Resolve
Complaints
- Heat/hot water
Entire building
Jan 31, 2026 · Apt 1A
Close - Heat/hot water
Entire building
Jan 26, 2026 · Apt BLDG
Close - Heat/hot water
Apartment only
Oct 28, 2021 · Apt 4A
Close - Heat/hot water
Entire building
Oct 4, 2021 · Apt BLDG
Close - Heat/hot water
Entire building
Dec 31, 2020 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 24, 2019 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 23, 2019 · Apt BLDG
Close - Heat/hot water
Entire building
Apr 27, 2019 · Apt 2A
Close - Heat/hot water
Entire building
Apr 2, 2019 · Apt 1A
Close - Heat/hot water
Entire building
Mar 28, 2019 · Apt 2A
Close
Show 38 more ↓
- Heat/hot water
Entire building
Nov 20, 2015 · Apt 1A
Close - Heat/hot water
Apartment only
Nov 17, 2015 · Apt 4A
Close - Heat/hot water
Entire building
Oct 18, 2015 · Apt 4A
Close - Heat/hot water
Entire building
Jan 31, 2015 · Apt 1A
Close - Heat/hot water
Entire building
Dec 6, 2014 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 7, 2014 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 5, 2014 · Apt BLDG
Close - Heat/hot water
Entire building
Nov 1, 2014 · Apt 3A
Close - Heating
Heat related
Jan 31, 2014 · Apt NA
Close - Heating
Heat related
Nov 7, 2013 · Apt NA
Close - Heating
Heat related
Jan 13, 2012 · Apt 4B
Close - Heating
Heat related
Nov 23, 2008 · Apt 4B
Close - Plumbing
Water-leaks
Dec 11, 2006 · Apt 3R
Close - Appliance
Electric/gas range
Dec 11, 2006 · Apt 3R
Close - General
Windows
Oct 13, 2006 · Apt 2R
Close - Heating
Heat related
Oct 13, 2006 · Apt 2R
Close - Heating
Heat related
Aug 5, 2006 · Apt 3R
Close - Appliance
Refrigerator
Aug 5, 2006 · Apt 3R
Close - Heating
Heat related
Aug 4, 2006 · Apt 3R
Close - Plumbing
Basin/sink
Jul 14, 2006 · Apt 3R
Close - Electric
Bell-buzzer/intercom
Jul 14, 2006 · Apt 3R
Close - Paint/plaster
Ceiling
Jul 14, 2006 · Apt 3R
Close - Paint/plaster
Ceiling
Jul 14, 2006 · Apt 3R
Close - General
Windows
Jul 14, 2006 · Apt 3R
Close - General
Ceramic-tile
Jul 14, 2006 · Apt 3R
Close - General
Floor
Jul 14, 2006 · Apt 3R
Close - General
Floor
Jan 31, 2006 · Apt 1L
Close - Plumbing
Bathtub/shower
Jan 31, 2006 · Apt 1L
Close - Plumbing
Basin/sink
Jan 31, 2006 · Apt 1L
Close - Plumbing
Shower-stall
Jan 31, 2006 · Apt 1L
Close - Paint/plaster
Ceiling
Jan 31, 2006 · Apt 1L
Close - Plumbing
Water-leaks
Jan 31, 2006 · Apt 1L
Close - General
Ceramic-tile
Jan 31, 2006 · Apt 1L
Close - Heating
Heat related
Jan 31, 2006 · Apt 1L
Close - Heating
Heat related
Dec 9, 2005 · Apt 4L
Close - Nonconst
Vermin
Sep 1, 2005 · Apt 3R
Close - Heating
Heat related
Sep 1, 2005 · Apt 3R
Close - Heating
Heat related
Apr 3, 2005 · Apt 3R
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1931
- Floors
- 4
- Residential units
- 8
- Building area
- 6,500 ft²
- Lot area
- 2,340 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3365 / 103
- Assessed value
- $804,600
- Landmark / historic district
- No
HPD registration #334296, last renewed Sep 12, 2025.
Questions about 651 Knickerbocker Avenue
Who owns 651 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Serlin Building Limited Partnership.
Does 651 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 13 housing violations at this property.
Is 651 Knickerbocker Avenue rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 75% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 651 Knickerbocker Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 651 Knickerbocker Avenue?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.