712 Knickerbocker Avenue
Brooklyn, NY 11221BBL 3-03384-0038Map
Owner of record: Clarke, Norman
712 Knickerbocker Avenue is a mixed residential and retail building built in 1905 in Brooklyn, 11221. It has 4 residential units across 3 floors. The owner of record is Clarke, Norman. HPD has recorded 9 housing violations here, most recently on May 5, 2026.
- HPD violations
- 9
- DOB violations
- 8
- ECB violations
- 1
- HPD complaints
- 2
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 · 9
- 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
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 21, 2023
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
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
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 25, 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.
Apr 9, 2021
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 24, 2017
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 - 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 a minimum of 100 watts of incandescent light required. (light fixture present)
Jul 22, 2015
Closed — Violation closed
DOB building violations · 8
- Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active - 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 2021 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-failure to file 2022 external low pressure inspection
Apr 25, 2023
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 6, 2006
Dob violation - dismissed
ECB violations · 1
- Hazardous
Failure to maintain: defects are the entire 1 story front wall is bugging heavy in wlls towards building under steel limtel and apper in damger of collapse 2, accumulation of debris is stored of entre roof leve
Jul 9, 2002 · Penalty $2,500
Resolve
Complaints
- Plumbing
Water supply
Jun 9, 2008 · Apt 3R
Close - Plumbing
Water supply
Jun 9, 2008 · Apt 3R
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S4)
- Year built
- 1905
- Floors
- 3
- Residential units
- 4
- Building area
- 3,832 ft²
- Lot area
- 2,600 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3384 / 38
- Assessed value
- $425,250
- Landmark / historic district
- No
HPD registration #311736, last renewed Sep 13, 2025.
Questions about 712 Knickerbocker Avenue
Who owns 712 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Clarke, Norman.
Does 712 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 9 housing violations at this property.
Is 712 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 712 Knickerbocker Avenue built?
City records list 1905 as the year it was built.
How many apartments are in 712 Knickerbocker Avenue?
It has 4 residential units and 5 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.