847 Knickerbocker Avenue

Brooklyn, NY 11207BBL 3-03425-0001Map

847 Knickerbocker Avenue is a mixed residential and retail building built in 1906 in Brooklyn, 11207. It has 4 residential units across 3 floors. The owner of record is 847 Knickerbocker, LLC. HPD has recorded 21 housing violations here, most recently on July 3, 2024. 13 of the 21 most recent violations are still open.

HPD violations: 21
DOB violations: 11
ECB violations: 0
HPD complaints: 13

What to know

Good

No open Class C

No open immediately-hazardous violations among recent records.

Good

Last violation Jul 3, 2024

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 · 21

CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective building entrance at public hall, 1st story
Jul 3, 2024
Closed — Violation dismissed
ANon-hazardous
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, 1st story
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
Post sign on wall of entrance story bearing name, address including apartment number if any, and telephone number of superintendent, janitor or housekeeper. at public hall, 1st story
Jul 3, 2024
Open — Nov sent out
BHazardous
Provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations at public hall, 1st story
Jul 3, 2024
Open — Nov sent out
CImmediately hazardous
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 at public hall, 1st story
Jul 3, 2024
Closed — Violation dismissed
CImmediately hazardous
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
Jul 3, 2024
Closed — Violation dismissed
ANon-hazardous
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.
Jul 3, 2024
Open — Nov sent out
CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges at public hall, 1st story
Jul 3, 2024
Closed — Violation dismissed
ANon-hazardous
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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
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.
Jul 3, 2024
Open — Nov sent out

Show 11 more ↓

ANon-hazardous
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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
§ 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 at public hall, 1st story
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
§ 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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
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
Jul 3, 2024
Open — Nov sent out
ANon-hazardous
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, 1st story
Jul 3, 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.
Feb 25, 2022
Closed — Violation dismissed
CImmediately hazardous
Provide an adequate supply of heat from an approved central heating system, or an approved system of gas or electrical heating in good operating condition for the dwelling unit in the 4th room from east located at apt 3r, 3rd story, 1st apartment from north at east
Dec 4, 2021 · Apt 3R
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.
Feb 23, 2015
Closed — Violation dismissed

DOB building violations · 11

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
Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 19, 2003
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
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
Aug 29, 1995
Dob violation - dismissed
Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed
Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active

Show 1 more ↓

Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed

ECB violations · 0

No ECB violations on record

Complaints

Safety
Smoke detector
Jul 1, 2024 · Apt 3L
Close
Heat/hot water
Apartment only
Jul 1, 2024 · Apt 3L
Close
Electric
Outlet/switch
Jul 1, 2024 · Apt 3L
Close
Plumbing
Basin/sink
Jul 1, 2024 · Apt 3L
Close
General
Ventilation system
Jul 1, 2024 · Apt 3L
Close
General
Cooking gas
Dec 2, 2021 · Apt 3R
Close
Heat/hot water
Entire building
Dec 2, 2021 · Apt 3R
Close
General
Janitor/super
Dec 2, 2021 · Apt 3R
Close
Heat/hot water
Entire building
Nov 30, 2021 · Apt 3R
Close
Heat/hot water
Apartment only
Nov 30, 2021 · Apt 3L
Close

Show 3 more ↓

Heat/hot water
Entire building
Nov 27, 2021 · Apt 3R
Close
Heat/hot water
Entire building
Nov 27, 2021 · Apt 3L
Close
Heat/hot water
Entire building
Nov 23, 2021 · Apt 3R
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 (S4)
Year built: 1906
Floors: 3
Residential units: 4
Building area: 4,875 ft²
Lot area: 2,500 ft²
Zoning: R6
Community board: 304
Council district: 37
Block / lot: 3425 / 1
Assessed value: $475,650
Landmark / historic district: No

HPD registration #335649, last renewed Oct 9, 2025.

Questions about 847 Knickerbocker Avenue

Who owns 847 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is 847 Knickerbocker, LLC.

Does 847 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 21 housing violations at this property.

Is 847 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 847 Knickerbocker Avenue built?

City records list 1906 as the year it was built.

How many apartments are in 847 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.