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800 Knickerbocker Avenue

Brooklyn, NY 11207BBL 3-03412-0038Map

Owner of record: 800 Knickerbocker LLC

800 Knickerbocker Avenue is a walk-up apartment building built in 1899 in Brooklyn, 11207. It has 6 residential units across 4 floors. The owner of record is 800 Knickerbocker LLC. HPD has recorded 25 housing violations here, most recently on May 5, 2026. 13 of the 25 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2019.

HPD violations
25
DOB violations
0
ECB violations
14
HPD complaints
45

What to know

Concern
1 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 2019
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 · 25

  • 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
  • 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 18, 2025

    Closed — Violation dismissed
  • 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
  • C

    Replace or repair the self-closing doors that is missing or defective frame at fire door at public hall, 2nd story

    May 8, 2025

    Closed — Violation closed
  • A

    Post and maintain a proper notice on wall of the entrance story in english and spanish on the availability of the agencys housing information guide. a sample notice can be found at www.nyc.gov/hpd. at public hall

    May 8, 2025

    Open — Nov sent out
  • A

    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

    May 8, 2025

    Open — Nov sent out
  • A

    Post a proper notice of carbon monoxide detecting device requirements, in a form approved by the commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in a private dwelling.

    May 8, 2025

    Open — Nov sent out
  • C

    Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system that is missing at public hall, 1st story

    May 8, 2025

    Open — Nov sent out
  • A

    Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mail box that is missing at public hall, 1st story

    May 8, 2025

    Open — Nov sent out
  • A

    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

    May 8, 2025

    Open — Nov sent out
Show 15 more ↓
  • 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 that is missing at public hall, 1st story

    May 8, 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 26, 2024

    Closed — Violation dismissed
  • 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
  • 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 17, 2023

    Closed — Violation dismissed
  • 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 7, 2022

    Closed — Violation dismissed
  • 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
  • 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.

    Feb 25, 2022

    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.

    Apr 9, 2021

    Closed — Violation dismissed
  • 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.

    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.

    Nov 24, 2017

    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.

    Nov 10, 2016

    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

    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 dismissed

DOB building violations · 0

No DOB violations on record

ECB violations · 14

  • Class - 1

    Electrical work w/o permit. at the time of inspection on a active construction site w/partial stop work order in place contractor installing temporary construction fence in the rear of the property using electr

    Jan 19, 2018

    Resolve
  • Class - 1

    Failure to institute/maintain safety equipment measures or temporary construction-no guardrails.at the time of inspection the contractor hadmissing guardrails on the 1st floor,near exposure #2(stairwell)and in

    Jan 16, 2018

    Resolve
  • Class - 2

    Bc3307.3.2.failure to provide lot-line fence.at the time of inspectionthe contractor did not install lot line fence at exposures #2,#3,#4 toenclose his construction site.rem:comply with notice of violation.

    Jan 16, 2018

    Resolve
  • Class - 2

    Bc28-104.7.1.bc1603.1(misc).architectural/structural plans are not adequate in that the plans are not complete and of sufficent clarity to indicate entire nature and extent of work.at the time of inspection the

    Jan 16, 2018

    Resolve
  • Non-hazardous

    Use of illegal hardware,noted:at roof bulk head installed 3 dead bolt locks w/ no means for exit 1 of the dead bolts has a lock thru it w/ no key to open lock.remedy:remove illegal hardware & provide approved

    Jul 10, 2007

    Resolve
  • Hazardous

    Residence altered as a dwelling for more than the legally approved #offamilies/dwelling units.note:on the 2nd fl created 1 sro,1 locked rm,1open rm & i denied access rm.the sro is comprised of 2rms w/a mother

    Mar 3, 2007 · Penalty $3,050

    Resolve
  • Hazardous

    Failure to provide at least 2 means of egress from rm or space where required. note: on the 2nd fl created 1 sro, 1 open rm & 2 secured rms w/ separate tenants w/ no secondary means of egress provided to the

    Mar 3, 2007 · Penalty $480

    Resolve
  • Hazardous

    Failure to maintain.note:due to water leaking from the 3rd fl the ceiling in the kitchen & bathroom has sustained damage.kitchen ceiling hascollapsed in an approx 4sq ft section w/a portion of the remainder see

    Mar 3, 2007 · Penalty $800

    Resolve
  • Hazardous

    Failure to provide @ least 2 means of egress from rm or space where required.note: in creating 'singel rm occupancies' on the 2nd fl,no 2nd means of egress have been created for the tenant's of said floor.

    Oct 2, 2006 · Penalty $1,200

    Resolve
  • Hazardous

    Residence altered as a dwelling for more than the legally approved # of dwelling units/fam.note:on the 2nd fl erected full height partitionscreating 3 sro's & 2 locked rms.the sro share a kitchen w/gas stove

    Oct 2, 2006 · Penalty $5,300

    Resolve
Show 4 more ↓
  • Hazardous

    Failure to comply w/an order of the commiss.to correct the violating condition of ecb#34518810j in that partitions have been erected creating single rms @ the 2nd fl level.a kitchen w/gas stove & a 3pc bthrm

    Oct 2, 2006

    Resolve
  • Hazardous

    Resicence altered for occupancy as a dwelling for more than the legally approved # of families from:co-walk-up apt - 3 families to 1 apt & 1st fl,1 apt @ 3rd fl & 5 single rm occupancy @ 2nd fl w/ common kitche

    May 5, 2006 · Penalty $20,500

    Resolve
  • Hazardous

    Work w/o permit:work noted:created 5 single rooms occupancy at 2nd fl w/ common kitchen & bathroom. remedy:restore premises to prior legal condtion immediately.

    May 5, 2006 · Penalty $2,500

    Resolve
  • Hazardous

    Failure to provide at least 2 means of egress from rm or space where required. at 4 single rooms occupancy @ 2nd fl no 2nd means of egress due to created 5 single rooms occupancy instead of one apt

    May 5, 2006 · Penalty $2,500

    Resolve

Complaints

  • Plumbing

    Water supply

    Dec 17, 2024 · Apt 4

    Close
  • Plumbing

    Basin/sink

    Jun 21, 2024 · Apt 4

    Close
  • Plumbing

    Water supply

    Aug 12, 2022 · Apt 1F

    Close
  • Unsanitary condition

    Pests

    Aug 12, 2022 · Apt 4FL

    Close
  • Nonconst

    Smoke detector

    Feb 23, 2012 · Apt 2F

    Close
  • Nonconst

    Carbon monoxide

    Feb 23, 2012 · Apt 2F

    Close
  • Heating

    Heat related

    Feb 24, 2009 · Apt 2

    Close
  • Heating

    Heat related

    Feb 24, 2009 · Apt 2

    Close
  • Nonconst

    Vermin

    Feb 24, 2009 · Apt 2

    Close
  • Heating

    Heat related

    Jan 4, 2009 · Apt 3

    Close
Show 35 more ↓
  • General

    Mold

    Jan 4, 2009 · Apt 3

    Close
  • General

    Mold

    Jan 4, 2009 · Apt 3

    Close
  • Paint/plaster

    Wall

    Jan 4, 2009 · Apt 3

    Close
  • Heating

    Heat related

    Jan 4, 2009 · Apt 3

    Close
  • Heating

    Heat related

    Dec 21, 2008 · Apt 3

    Close
  • Paint/plaster

    Wall

    Dec 21, 2008 · Apt 3

    Close
  • Paint/plaster

    Window/frame

    Dec 21, 2008 · Apt 3

    Close
  • Electric

    Electric-supply

    Jun 13, 2008 · Apt 3

    Close
  • Plumbing

    Radiator

    Apr 20, 2008 · Apt 3

    Close
  • Appliance

    Electric/gas range

    Apr 5, 2008 · Apt 3

    Close
  • Paint/plaster

    Wall

    Mar 28, 2008 · Apt 3

    Close
  • Paint/plaster

    Wall

    Mar 28, 2008 · Apt 3

    Close
  • Nonconst

    Vermin

    Mar 28, 2008 · Apt 3

    Close
  • Construction

    Roof

    Nov 20, 2007 · Apt PA

    Close
  • Plumbing

    Basin/sink

    Jul 24, 2007 · Apt 3

    Close
  • Nonconst

    Carbon monoxide

    Jul 24, 2007 · Apt 3

    Close
  • Nonconst

    Smoke detector

    Jul 24, 2007 · Apt 3

    Close
  • Paint/plaster

    Wall

    Jul 24, 2007 · Apt 3

    Close
  • Plumbing

    Basin/sink

    Jul 24, 2007 · Apt 3

    Close
  • General

    Floor

    Jul 24, 2007 · Apt 3

    Close
  • Paint/plaster

    Wall

    Jul 24, 2007 · Apt 3

    Close
  • General

    Floor

    Jul 24, 2007 · Apt 3

    Close
  • Paint/plaster

    Wall

    Jul 13, 2007 · Apt 3FL

    Close
  • Plumbing

    Toilet

    Jul 13, 2007 · Apt 3FL

    Close
  • Plumbing

    Basin/sink

    Jul 13, 2007 · Apt 3FL

    Close
  • General

    Doors

    Jul 13, 2007 · Apt 3FL

    Close
  • Paint/plaster

    Wall

    Jun 13, 2007 · Apt 3

    Close
  • Heating

    Heat related

    Jan 4, 2007 · Apt 3

    Close
  • Heating

    Heat related

    Oct 27, 2006 · Apt 3

    Close
  • Heating

    Heat related

    Oct 24, 2006 · Apt 2D

    Close
  • Electric

    Electric-supply

    Oct 24, 2006 · Apt 2D

    Close
  • General

    Cooking gas

    Oct 24, 2006 · Apt 2D

    Close
  • General

    Cooking gas

    Oct 24, 2006 · Apt 2FL

    Close
  • Heating

    Heat related

    Oct 24, 2006 · Apt 2FL

    Close
  • General

    Doors

    May 5, 2006 · Apt 2D

    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
1899
Floors
4
Residential units
6
Building area
4,241 ft²
Lot area
2,000 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3412 / 38
Assessed value
$525,150
Landmark / historic district
No

HPD registration #350128, last renewed Jan 20, 2026.

Questions about 800 Knickerbocker Avenue

Who owns 800 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 800 Knickerbocker LLC.

Does 800 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 25 housing violations at this property.

Is 800 Knickerbocker Avenue rent stabilized?

NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2019 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 800 Knickerbocker Avenue built?

City records list 1899 as the year it was built.

How many apartments are in 800 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.