660 Knickerbocker Avenue
Brooklyn, NY 11221BBL 3-03377-0035Map
Owner of record: Shak Knickerboker Corp
660 Knickerbocker Avenue is a mixed residential and retail building built in 1906 in Brooklyn, 11221. It has 6 residential units across 4 floors. The owner of record is Shak Knickerboker Corp. HPD has recorded 64 housing violations here, most recently on January 27, 2026. 8 of the 50 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 64
- DOB violations
- 8
- ECB violations
- 4
- HPD complaints
- 123
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. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 64
- CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2r, 2nd story, 2nd apartment from west at north
Jan 27, 2026 · Apt 2R
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 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
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system door locked at 1st story public hall to cellar at boiler room
Jan 17, 2024
Open — Nov sent out - BHazardous
Nyc fire code § 703.1.3; nyc fire code § 703.2: adjust door to prevent gaps between the top and side edges of door and door jamb exceeding the maximum allowable clearance of 1/8 of an inch and maximum allowable clearance of 3/4 of an inch between the door bottom and sill at . in the entrance located at apt 2r, 2nd story, 2nd apartment from north at east
Jan 17, 2024 · Apt 2R
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 2r, 2nd story, 2nd apartment from north at east
Jan 17, 2024 · Apt 2R
Open — Notice of issuance sent to tenant - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2r, 2nd story, 2nd apartment from north at east
Jan 17, 2024 · Apt 2R
Open — Notice of issuance sent to tenant - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2r, 2nd story, 2nd apartment from north at east
Jan 17, 2024 · Apt 2R
Closed — Violation closed - CImmediately hazardous
Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2r, 2nd story, 2nd apartment from north at east
Jan 17, 2024 · Apt 2R
Open — Invalid certification - CImmediately hazardous
Properly repair or replace the broken or defective mortise lock at building front entrance door , 1st story
Jan 17, 2024
Closed — Violation dismissed
DOB building violations · 8
- Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2013 inspection report
Mar 3, 2015
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2012 inspection report
May 15, 2014
Dob violation - dismissed - Fail to certify class 1 none
Failure to certify correction on immediately hazardous (class 1) ecb violation
Oct 5, 2011
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 19, 2007
Dob violation - dismissed - 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 · 4
- Class - 2
Work without a permit. at time of inspection observed a chain link fence installed on the roof with out a permit, obtain all permits
Sep 2, 2026 · Penalty $1,250
Active - Class - 1
Fail to maintain bldg in code compliant manner; lack of a system of awt sprinklers where required per bc 903.2; 27-954 observation made in ground flr resturante had open flame cooking equipment w/no fire curtai
Jul 12, 2011 · Penalty $1,000
Resolve - Class - 2
Failure to maintain bldg in code compliant manner installation maintenance of plumbing materials equipment for pc102.3 27-902 observe in cellar at time of plumbing insp pl#320072461 boiler replacement in existi
Nov 15, 2010 · Penalty $500
Resolve - Non-hazardous
Failure to maintain building: defect noted: downspout of the rear one story extension missing causing water to flood the adjacent rear yard at 1394 putnam. 1) loose and missing bricks from the rear north, west
Jan 26, 2005
Resolve
Complaints
- Heat/hot water
Apartment only
Feb 8, 2026 · Apt 2R
Close - Heat/hot water
Apartment only
Jan 26, 2026 · Apt 2R
Close - Heat/hot water
Apartment only
Jan 24, 2026 · Apt 2R
Close - Door/window
Door
Mar 12, 2025 · Apt BLDG
Close - Heat/hot water
Apartment only
Jan 20, 2025 · Apt 2R
Close - Heat/hot water
Apartment only
Jan 7, 2025 · Apt 2R
Close - Heat/hot water
Apartment only
Dec 14, 2024 · Apt 2R
Close - Heat/hot water
Apartment only
Dec 14, 2024 · Apt 2R
Close - Unsanitary condition
Pests
May 10, 2024 · Apt 2R
Close - Unsanitary condition
Pests
Jan 15, 2024 · Apt 2R
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S9)
- Year built
- 1906
- Floors
- 4
- Residential units
- 6
- Building area
- 6,500 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3377 / 35
- Assessed value
- $721,350
- Landmark / historic district
- No
HPD registration #343609, last renewed Jul 28, 2026.
Questions about 660 Knickerbocker Avenue
Who owns 660 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Shak Knickerboker Corp.
Does 660 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 64 housing violations at this property.
Is 660 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 660 Knickerbocker Avenue built?
City records list 1906 as the year it was built.
How many apartments are in 660 Knickerbocker Avenue?
It has 6 residential units and 9 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.