roofy

171 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03166-0007Map

Owner of record: 171 Knickerbocker Corp

171 Knickerbocker Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11237. It has 5 residential units across 3 floors. The owner of record is 171 Knickerbocker Corp. HPD has recorded 44 housing violations here, most recently on May 5, 2026. 33 of the 44 most recent violations are still open.

HPD violations
44
DOB violations
1
ECB violations
1
HPD complaints
18

What to know

Concern
3 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

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 · 44

  • 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 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

    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 22, 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

    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 14, 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

    Closed — Violation dismissed
  • B

    Provide sufficient, proper and separate metal receptacles for the deposit of garbage, rubbish and other waste material and arrange for collection and disposal of such material.

    Oct 15, 2021

    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

    Closed — Violation dismissed
Show 34 more ↓
  • 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

    Dec 3, 2019

    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, 1st story

    Dec 3, 2019

    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

    Dec 3, 2019

    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 missing at public hall, 1st story

    Dec 3, 2019

    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 missing at public hall, 1st story

    Dec 3, 2019

    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. at public hall, 1st story

    Dec 3, 2019

    Open — Nov sent out
  • 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, 1st story

    Dec 3, 2019

    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 30, 2019

    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 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
  • 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 23, 2015

    Closed — Violation dismissed
  • B

    Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. in the entire apartment located at apt 2r, 2nd story, 1st apartment from east at south

    Nov 23, 2008 · Apt 2R

    Open — Nov sent out
  • C

    Provide ready access to buildings heating system door locked at boiler room

    Nov 23, 2008

    Open — Nov sent out
  • 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 100 watts front

    Oct 26, 1990

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of exposed electrical wires ceiling boiler room cellar

    Oct 26, 1990

    Open — Nov sent out
  • B

    Provide adequate light of not less than 60 watts incandescent or equivalent illumination vestibule 1 sty public hall

    Oct 26, 1990

    Open — Nov sent out
  • B

    Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the cellar thru out

    Oct 26, 1990

    Open — Nov sent out
  • B

    Install and maintain sufficient light or lights of at least 100 watts incandescent or equivalent each, to light adequately from sunset to sunrise the rear yard

    Oct 26, 1990

    Open — Nov sent out
  • A

    Section 12 m/d law discontinue the unlawful keeping of north center roof

    Oct 26, 1990

    Open — Nov sent out
  • A

    Section 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration cage erected north center roof

    Oct 26, 1990

    Open — Nov sent out
  • B

    Provide suitable tight cover for the handhole opening of trap front cellar

    Oct 26, 1990

    Open — Nov sent out
  • B

    Provide metal cover masonry pit front cellar

    Oct 26, 1990

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective plaster board ceiling rear cellar

    Oct 26, 1990

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of exposed electric wires ceiling front cellar

    Oct 26, 1990

    Open — Nov sent out
  • B

    Replace with new the broken or defective wire glass inserts skylight 3 sty public hall

    Oct 26, 1990

    Open — Nov sent out
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint rear fire escapes all stys all parts

    Oct 26, 1990

    Open — Nov sent out
  • B

    Fire egress defective. make stationary the iron ladder leading to scuttle opening in roof 3 sty public hall to roof

    Oct 26, 1990

    Open — Nov sent out
  • A

    Properly repair the broken or defective mailboxes 1 sty public hall

    Oct 26, 1990

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective fire retarded plaster ceiling cellar front and center

    Oct 26, 1990

    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 1 sty public hall and on boiler room door

    Oct 26, 1990

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of exposed electrical wires ceiling cellar rear

    Oct 26, 1990

    Open — Nov sent out
  • A

    Post and maintain a street number on the front of the dwelling plainly visible from the sidewalk.

    Oct 26, 1990

    Open — Nov sent out

DOB building violations · 1

  • Construction other optional

    C-construction other optional

    Jan 27, 2014

    Dob violation - active

ECB violations · 1

  • Non-hazardous

    Due to fire the following damage has occured.the party wall on the front of premises between the third and second floor areas has fire damage of approx.32'x32' wood frame medium hard and framing missing

    Jan 25, 1993

    Resolve

Complaints

  • Heat/hot water

    Apartment only

    Dec 14, 2022 · Apt 3L

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 20, 2021 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Oct 13, 2021 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Aug 26, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Feb 18, 2021 · Apt 3L

    Close
  • Heat/hot water

    Entire building

    Dec 2, 2019 · Apt 2L

    Close
  • Heat/hot water

    Apartment only

    Dec 6, 2017 · Apt 3L

    Close
  • Unsanitary condition

    Pests

    Mar 14, 2017 · Apt 2L

    Close
  • Unsanitary condition

    Pests

    Mar 14, 2017 · Apt 2L

    Close
  • Heat/hot water

    Entire building

    Feb 4, 2015 · Apt 2R

    Close
Show 8 more ↓
  • Plumbing

    Water supply

    Jan 9, 2015 · Apt 1

    Close
  • Plumbing

    Water supply

    Jan 9, 2015 · Apt 1

    Close
  • Heating

    Heat related

    Dec 12, 2012 · Apt NA

    Close
  • Heating

    Heat related

    Nov 20, 2008 · Apt 2R

    Close
  • Appliance

    Electric/gas range

    Nov 20, 2008 · Apt 2R

    Close
  • Heating

    Heat related

    Jan 31, 2008 · Apt BLDG

    Close
  • Heating

    Heat related

    Jan 31, 2008 · Apt 2

    Close
  • Heating

    Heat related

    Jan 31, 2008 · Apt BLDG

    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
3
Residential units
5
Building area
4,500 ft²
Lot area
2,500 ft²
Zoning
R6
Community board
304
Council district
34
Block / lot
3166 / 7
Assessed value
$499,500
Landmark / historic district
No

HPD registration #343523, last renewed Nov 19, 2024.

Questions about 171 Knickerbocker Avenue

Who owns 171 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 171 Knickerbocker Corp.

Does 171 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 44 housing violations at this property.

Is 171 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 171 Knickerbocker Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 171 Knickerbocker Avenue?

It has 5 residential units and 6 units in total.

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