724 Knickerbocker Avenue

Brooklyn, NY 11221BBL 3-03391-0035Map

724 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 Herandez, Cecilia. HPD has recorded 14 housing violations here, most recently on May 5, 2026. 8 of the 14 most recent violations are still open.

HPD violations: 14
DOB violations: 4
ECB violations: 0
HPD complaints: 36

What to know

Good

No open Class C

No open immediately-hazardous violations among recent records.

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 · 14

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
Open — 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 19, 2025
Open — Info nov sent out
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.
Jun 10, 2025
Open — Nov sent out
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
Open — Nov sent out
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.
Mar 23, 2023
Open — 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 10, 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.
Feb 25, 2022
Open — Nov sent out
CImmediately hazardous
M/d law abate the nuisance consisting of broken plexiglass lite at building front door
Jan 16, 2022
Closed — Violation closed
CImmediately hazardous
Replace with new the missing tempered plain glass lite at building entrance door
Jan 16, 2022
Closed — Violation closed

Show 4 more ↓

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.
Apr 9, 2021
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
Open — Nov sent out
BHazardous
Properly repair the broken or defective mortise lock at vestibule door at public hall, 1st story
Feb 2, 2019
Open — 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 10, 2016
Closed — Violation dismissed

DOB building violations · 4

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 31, 2005
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 10, 1997
Dob violation - dismissed

ECB violations · 0

No ECB violations on record

Complaints

Heat/hot water
Entire building
Jan 18, 2024 · Apt BLDG
Close
Heat/hot water
Entire building
Jan 12, 2022 · Apt BLDG
Close
Heat/hot water
Entire building
Jan 25, 2021 · Apt 1FL
Close
Heat/hot water
Entire building
Dec 1, 2019 · Apt BLDG
Close
Heat/hot water
Entire building
Jan 31, 2019 · Apt 1L
Close
Heat/hot water
Entire building
Feb 5, 2018 · Apt 2R
Close
Heat/hot water
Entire building
Jan 25, 2018 · Apt BLDG
Close
Heat/hot water
Entire building
Dec 16, 2017 · Apt 1R
Close
Heat/hot water
Entire building
Dec 11, 2017 · Apt BLDG
Close
Heat/hot water
Entire building
Dec 11, 2017 · Apt BLDG
Close

Show 26 more ↓

Heat/hot water
Entire building
Nov 15, 2017 · Apt 2R
Close
Heat/hot water
Apartment only
Oct 29, 2015 · Apt 2L
Close
Unsanitary condition
Pests
Jan 9, 2015 · Apt 1L
Close
Flooring/stairs
Floor
Jan 9, 2015 · Apt 1L
Close
Paint/plaster
Wall
Jan 9, 2015 · Apt 1L
Close
Unsanitary condition
Pests
Jan 9, 2015 · Apt 1L
Close
Unsanitary condition
Pests
Jan 9, 2015 · Apt 1L
Close
Plumbing
Toilet
Jan 9, 2015 · Apt 1L
Close
Paint/plaster
Wall
Jan 9, 2015 · Apt 1L
Close
Flooring/stairs
Floor
Jan 9, 2015 · Apt 1L
Close
Flooring/stairs
Floor
Jan 9, 2015 · Apt 1L
Close
Flooring/stairs
Floor
Jan 9, 2015 · Apt 1L
Close
Paint/plaster
Wall
Jan 9, 2015 · Apt 1L
Close
Unsanitary condition
Pests
Jan 9, 2015 · Apt 1L
Close
Unsanitary condition
Pests
Jan 9, 2015 · Apt 1L
Close
Paint/plaster
Wall
Jan 9, 2015 · Apt 1L
Close
Heat/hot water
Apartment only
Jan 9, 2015 · Apt 1L
Close
Heat/hot water
Apartment only
Dec 12, 2014 · Apt 1R
Close
Heat/hot water
Apartment only
Dec 8, 2014 · Apt 1R
Close
Electric
No lighting
Dec 8, 2014 · Apt 1R
Close
Heating
Heat related
Feb 8, 2013 · Apt NA
Close
Heating
Heat related
Jan 30, 2013 · Apt NA
Close
Heating
Heat related
Jan 23, 2013 · Apt NA
Close
General
Ceramic-tile
May 2, 2006 · Apt 1L
Close
Heating
Heat related
Dec 28, 2004 · Apt BLDG
Close
Heating
Heat related
Nov 25, 2003 · Apt BUILD
Close

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 / 35
Assessed value: $602,100
Landmark / historic district: No

HPD registration #328572, last renewed Nov 20, 2024.

Questions about 724 Knickerbocker Avenue

Who owns 724 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Herandez, Cecilia.

Does 724 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 14 housing violations at this property.

Is 724 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 724 Knickerbocker Avenue built?

City records list 1910 as the year it was built.

How many apartments are in 724 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.