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309 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03220-0001Map

Owner of record: Hartnick Enterprisesinc

309 Knickerbocker Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11237. It has 6 residential units across 4 floors. The owner of record is Hartnick Enterprisesinc. HPD has recorded 109 housing violations here, most recently on May 5, 2026. 35 of the 50 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2018.

HPD violations
109
DOB violations
20
ECB violations
18
HPD complaints
117

What to know

Concern
4 open Class C

Immediately hazardous issues among recent violations are still open.

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

Rent-stabilized units in 2018
6
About 100% of the building's 6 apartments

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.

Stabilized units by tax-bill year

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 · 109

  • A

    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
  • B

    Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at building front at fire escape

    Dec 21, 2025

    Open — Nov sent out
  • I

    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 20, 2025

    Open — Info nov sent out
  • A

    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
  • A

    § 329, m/d law and dept. rules and regs. provide a completed certificate of inspection visits in a proper frame at or near mailboxes, bottom edge of frame between 48-62 inches above floor missing at public hall

    Sep 9, 2024

    Open — Nov sent out
  • A

    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
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of flower pots and shopping cart at north exterior wall. at fire escape, 3rd story

    Oct 3, 2023

    Open — Nov sent out
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of house hold items at north exterior wall. at fire escape, 3rd story

    Oct 3, 2023

    Open — Nov sent out
  • A

    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
  • I

    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 14, 2022

    Closed — Violation dismissed
Show 40 more ↓
  • A

    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
  • A

    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
  • I

    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
  • C

    Provide a safe and adequate supply of electric service to the fixtures .. in the entire apartment located at apt 3r, 3rd story, 2nd apartment from north at east

    Dec 22, 2020 · Apt 3R

    Open — Nov sent out
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 3r, 3rd story, 2nd apartment from north at east

    Dec 22, 2020 · Apt 3R

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system door locked at basement

    Dec 22, 2020

    Open — Nov sent out
  • C

    Provide a safe and adequate supply of electric service to the fixtures all stories at public hall

    Dec 22, 2020

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and west wall in the bathroom located at apt 2r, 2nd story, apartment at north

    Aug 8, 2020 · Apt 2R

    Open — Nov sent out
  • I

    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 18, 2018

    Closed — Violation dismissed
  • I

    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
  • B

    Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at entrnace of the building

    Oct 5, 2013

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department at ceiling at 1st story public hall

    Oct 5, 2013

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department at north wall at 2nd story public hall

    Oct 5, 2013

    Closed — Violation closed
  • B

    Abate the nuisance consisting of roaches in the entire apartment located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • A

    Reset, so as to secure a proper and tight connection, the water closet bowl ..... in the bathroom located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective wood floor at public hall, 1st story

    Sep 29, 2013

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective fire retardant sheetrock ceiling at public hall, 1st story

    Sep 29, 2013

    Open — Nov sent out
  • A

    Cleanse to the satisfaction of this department the all stairs and landings all stories at public hall

    Sep 29, 2013

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department all walls and ceilings all stories at public hall

    Sep 29, 2013

    Open — Nov sent out
  • A

    Paint metal in accordance with dept. regulation the cornice at the roof extension building front

    Sep 29, 2013

    Open — Nov sent out
  • A

    Paint metal in accordance with dept. regulation cornice at building front

    Sep 29, 2013

    Open — Nov sent out
  • B

    Properly repair the broken or defective intercom system in the entire apartment located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective grout at the bathtub in the bathroom located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Open — Nov sent out
  • B

    Properly repair the broken or defective lock and assembly at the door in the entrance located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color all walls and ceilings in the entire apartment located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Open — Nov sent out
  • B

    Replace with new the missing light switch plate cover at the south wall in the 2nd room from east located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Closed — Violation closed
  • C

    Replace with new the broken or defective glass upper and lower sashes at the south window in the 1st room from east located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Closed — Violation closed
  • B

    Replace with new the broken or defective wood rotted base cabinet in the kitchen located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Closed — Violation closed
  • C

    Repair the broken or defective connection wasteline of the sink in the kitchen located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Closed — Violation closed
  • C

    Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 3l, 3rd story, 1st apartment from north at east

    Sep 29, 2013 · Apt 3L

    Closed — Violation closed
  • B

    Properly repair the broken or defective counter balances of the upper and lower sashes of the north and south windows in the 4th room from east located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Properly repair the broken or defective intercom system in the entire apartment located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • C

    Correct the lead-based paint hazard - presumed lead paint that is peeling or on a deteriorated subsurface using work practices set forth in 28 rcny ?11-06(b)(2) south wall in the 4th room from east located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective grout around bathtub in the bathroom located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Replace with new the broken or defective entrance door in the bathroom located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Repair the broken or defective connection at the wasteline at the washbasin in the bathroom located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective sloping wood floor in the kitchen located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • C

    Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Open — Nov sent out
  • C

    Install the missing or repair/replace the defective window guard(s) in accordance with the specifications of the new york city health code section 24 rcny chapter 12. wg to install = 0; wg to replace = 1; wg to repair = 4; in the entire apartment located at apt 4l, 4th story, 1st apartment from north at east

    Sep 29, 2013 · Apt 4L

    Closed — Violation closed

DOB building violations · 20

  • 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 2023 external low pressure inspection

    Sep 23, 2024

    Dob violation - active
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Oct 21, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Oct 21, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Oct 21, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Oct 21, 2015

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Aug 5, 2015

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Aug 8, 2012

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jun 29, 2011

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Jun 15, 2011

    Dob violation - dismissed
Show 10 more ↓
  • Low pressure boiler boiler required

    Lblvio-low pressure boiler boiler required

    Dec 31, 2009

    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

    Feb 27, 2001

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Feb 7, 2000

    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

    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

    Feb 10, 1997

    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

    Jul 25, 1994

    Dob violation - dismissed

ECB violations · 18

  • Class - 2

    Failure to comply w/the comm's order contained in nov #35148263k issued on 11/14/15 & to file a c of c pursuant to 28-201.1,28-204.4 & 1rcny102-01. noted: no document file to remedy vacate order issued 7/29/15.

    Dec 28, 2015 · Penalty $2,000

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in nov #35149108p issued on 7/29/15 & to file a c of c pursuant to 28-201.1,28-204.4 & 1rcny 102-01. remedy: comply w/comm's order &/or file a c of c.

    Nov 30, 2015 · Penalty $4,000

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in nov #35149111x issued on 7/29/15 & to file a c of c pursuant to 28-201.1,28-204.4 & 1rcny 102-01. remedy: comply w/comm's order &/or file a c of c.

    Nov 30, 2015 · Penalty $2,000

    Resolve
  • Class - 1

    Unlawful acts. failure to comply w/an order of the commissioner. notedadult male in rear of "grocery & deli" sro contrary to vacate order 289/15 issued 7/29/15 & posted in plain sight on front door. previously

    Nov 14, 2015 · Penalty $12,000

    Resolve
  • Class - 2

    Failure to comply w/the comm's order contained in nov #35149107n issued on 7/29/15 & to file a c of c pursuant to 28-201.1,28-204.4 & 1rcny 102-01. remedy: comply w/comm's order &/or file a c of c.

    Oct 21, 2015 · Penalty $2,000

    Resolve
  • Class - 2

    Failure to comply w/commissioner's order contained in nov#35149108p,35149111x issued on 7/29/15 and to file a certificate of correction pursuant to 28-201.1, 28-204.4 and 1rcny 102-01.rmdy:comply w/commissioner

    Oct 21, 2015 · Penalty $2,000

    Resolve
  • Class - 2

    Failure to comply w/commissioner's order contained in nov#35149110y issued on 07/29/15 & to file a certificate of correction pursuant to 28 201.1, 28-204.4 and 1rcny 102-01. rmdy: comply w/commissioner's order

    Oct 21, 2015 · Penalty $2,000

    Resolve
  • Class - 1

    Failure to comply w/commissioner's order contained in nov#35149253l issued on 08/05/15 and to file a certificate of correction pursuant to 28-201.1, 28-204.4 and 1rcny 102-01. work w/o permit. first floor (gro

    Oct 4, 2015 · Penalty $6,000

    Resolve
  • Class - 1

    Unlawful acts: failure to complly w/an order of the commissioner.noted1st flr (ground) sro at rear of deli - occupied contrary to the vacateorder #289.vacate issued on /29/15. rmdy: comply with vacate order.

    Aug 5, 2015 · Penalty $6,000

    Resolve
  • Class - 1

    Work w/o a permit. noted: at 1st fl deli"knickerbocker gourmet deli"rear full height partition walls creating sro,w/2 beds. occupied w/1 male slleping in bed. created 3pc bathroom(toilet,sink,shower). installed

    Jul 29, 2015 · Penalty $1,600

    Resolve
Show 8 more ↓
  • Class - 1

    Occupancy contrary to that allowed by the c of o or dob records.noted @ exp4,vitamin store created,operating w/ tables,2pc bathroom-commercial sink.this unit has been subleased by the deli "knickerbocker gourme

    Jul 29, 2015 · Penalty $2,400

    Resolve
  • Class - 1

    Occupancy contrary to that allowed by the c of o or dob records.noted @ rear of deli (knickerbocker grocery deli)observed sro @ rear of store consisting of full height partition walls,2 beds,occupied w/ steels

    Jul 29, 2015 · Penalty $2,400

    Resolve
  • Class - 1

    Work w/o a permit.noted @ hart st entrance,full height partition wallscreating retail space for vitamin store @ rear of existing deli @ corner "309 knickerbock ave" installed 3pc bathroom,toilet sink,& commerci

    Jul 29, 2015 · Penalty $1,600

    Resolve
  • Class - 1

    Occupancy contrary to that allowed by c/o and dob records. class 'a' apt at 4 sty apt 4l converted into 3 separate 'b' rooms plywood partition wall erected in 4th room from east inadequate light & ventilation.

    Apr 3, 2012

    Resolve
  • Class - 2

    Failure to comply w/the commissioner's order to file a c of c w/the dept of buildings for notice of violation #34895546n issued on 3/28/11 pursuant to 28-204.4 & 1rcny 102-01. remedy: file a c of c.

    Sep 1, 2011 · Penalty $800

    Resolve
  • Class - 2

    Failure to comply w/ the comm order to file a cert of correction w/ the dob for nov#34895546n issued on 03/28/11 pursuant to 28-204.4 & 1rcny 102-01 rem: file a cert of correction 34895545l issued on 3/28/11

    Jul 13, 2011 · Penalty $4,000

    Resolve
  • Class - 1

    Occupancy contrary to that allowed by dob records or cofo dob records indicates premises to be a (6) family store cellar,storage mdr#304956:now @ cellar of premises converted to be used as a class"a"apt with ba

    Mar 29, 2011

    Resolve
  • Class - 1

    Failure to maintain bldg interior in a code compliant manner defect noted:@ cellar level exposed wiring throughout cellar ceiling no property fire rate.exposed beams throughout entire cellar.rem:immediately mak

    Mar 28, 2011 · Penalty $1,000

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Dec 17, 2025 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Oct 30, 2025 · Apt 3R

    Close
  • Unsanitary condition

    Mold

    Sep 3, 2024 · Apt 2R

    Close
  • Unsanitary condition

    Mold

    Sep 3, 2024 · Apt 2R

    Close
  • Heat/hot water

    Entire building

    Oct 2, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Apr 21, 2022 · Apt 2R

    Close
  • Heat/hot water

    Entire building

    Apr 19, 2022 · Apt 2R

    Close
  • Electric

    No lighting

    Dec 21, 2020 · Apt 3R

    Close
  • Heat/hot water

    Entire building

    Dec 21, 2020 · Apt 3R

    Close
  • Electric

    Power outage

    Dec 20, 2020 · Apt BLDG

    Close
Show 40 more ↓
  • Electric

    Power outage

    Dec 20, 2020 · Apt BLDG

    Close
  • Electric

    Power outage

    Dec 20, 2020 · Apt 3R

    Close
  • Paint/plaster

    Ceiling

    Jul 31, 2020 · Apt 2R

    Close
  • Water leak

    Heavy flow

    Jul 31, 2020 · Apt 2R

    Close
  • Plumbing

    Water supply

    Jun 10, 2019 · Apt 3L

    Close
  • Unsanitary condition

    Garbage/recycling storage

    May 20, 2016 · Apt 2L

    Close
  • Electric

    No lighting

    May 20, 2016 · Apt 2L

    Close
  • Paint/plaster

    Ceiling

    May 20, 2016 · Apt 2L

    Close
  • Flooring/stairs

    Floor

    May 20, 2016 · Apt 2L

    Close
  • Door/window

    Door

    May 20, 2016 · Apt 3L

    Close
  • Safety

    Smoke detector

    May 20, 2016 · Apt 3L

    Close
  • Safety

    Carbon monoxide detector

    May 20, 2016 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Aug 21, 2015 · Apt 4L

    Close
  • Plumbing

    Basin/sink

    Aug 21, 2015 · Apt 4L

    Close
  • Plumbing

    Basin/sink

    Aug 21, 2015 · Apt 4L

    Close
  • Unsanitary condition

    Pests

    Aug 20, 2014 · Apt 4L

    Close
  • Door/window

    Door

    Aug 20, 2014 · Apt 4L

    Close
  • Plumbing

    Sewer

    Mar 30, 2013 · Apt 3L

    Close
  • Nonconst

    Smoke detector

    Apr 6, 2012 · Apt 4R

    Close
  • Electric

    Bell-buzzer/intercom

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Mailbox

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Locks

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Doors

    Apr 2, 2012 · Apt 4L

    Close
  • Paint/plaster

    Wall

    Apr 2, 2012 · Apt 4L

    Close
  • Construction

    Roof

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Doors

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Stairs

    Apr 2, 2012 · Apt 4L

    Close
  • General

    Stairs

    Apr 2, 2012 · Apt 4L

    Close
  • Nonconst

    Smoke detector

    Apr 2, 2012 · Apt 4L

    Close
  • Nonconst

    Carbon monoxide

    Apr 2, 2012 · Apt 4L

    Close
  • Nonconst

    Vermin

    Apr 2, 2012 · Apt 4L

    Close
  • Nonconst

    Carbon monoxide

    Apr 2, 2012 · Apt 4R

    Close
  • Nonconst

    Smoke detector

    Apr 2, 2012 · Apt 4R

    Close
  • Plumbing

    Water supply

    Dec 11, 2011 · Apt 3R

    Close
  • Plumbing

    Water supply

    Dec 11, 2011 · Apt 3L

    Close
  • Heating

    Heat related

    Dec 11, 2011 · Apt 3L

    Close
  • Heating

    Heat-plant

    Dec 17, 2010 · Apt 3R

    Close
  • Heating

    Heat related

    Dec 17, 2010 · Apt 3R

    Close
  • General

    Floor

    Dec 3, 2009 · Apt 4L

    Close
  • General

    Floor

    Dec 3, 2009 · Apt 4L

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Mixed residential and retail building (S5)
Year built
1931
Floors
4
Residential units
6
Building area
7,410 ft²
Lot area
2,500 ft²
Zoning
R6
Community board
304
Council district
34
Block / lot
3220 / 1
Assessed value
$760,500
Landmark / historic district
No

HPD registration #304956, last renewed Aug 14, 2024.

Questions about 309 Knickerbocker Avenue

Who owns 309 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Hartnick Enterprisesinc.

Does 309 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 109 housing violations at this property.

Is 309 Knickerbocker Avenue rent stabilized?

NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2018 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 309 Knickerbocker Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 309 Knickerbocker Avenue?

It has 6 residential units and 7 units in total.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.