817 Knickerbocker Avenue
Brooklyn, NY 11207BBL 3-03419-0006Map
Owner of record: Knickerbocker Apt INC.
817 Knickerbocker Avenue is a walk-up apartment building built in 1912 in Brooklyn, 11207. It has 6 residential units across 3 floors. The owner of record is Knickerbocker Apt INC.. HPD has recorded 20 housing violations here, most recently on November 18, 2025. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 20
- DOB violations
- 3
- ECB violations
- 1
- HPD complaints
- 11
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
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.
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 · 20
- 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 18, 2025
Closed — Violation dismissed - CImmediately hazardous
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 = 0; wg to repair = 3; in the entire apartment located at apt 2r, 2nd story, 2nd apartment from west at north
Aug 22, 2024 · Apt 2R
Closed — Violation closed - BHazardous
Remove all encumbrances consisting of household items at public hall, 1st story
Jul 26, 2024
Closed — Violation closed - CImmediately hazardous
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 = 1; wg to replace = 0; wg to repair = 0; in the entire apartment located at apt 2r, 2nd story, 2nd apartment from west at north
Jul 26, 2024 · Apt 2R
Closed — Violation closed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective at hinges in the entrance located at apt 2r, 2nd story, 2nd apartment from west at north
Jul 26, 2024 · Apt 2R
Closed — Violation closed - 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
Closed — Violation dismissed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the kitchen located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - BHazardous
Trace and repair the source and abate the visible mold condition... at the east wall in the kitchen located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all peeling paint surfaces in the kitchen located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st window frame from east at south wall in the 2nd room from north located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed
Show 10 more ↓
- CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st window frame from west at north wall in the 4th room from north located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st door frame from south at west wall, 1st window frame from east at south wall in the bathroom located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - CImmediately hazardous
Correct the lead-based paint hazard - paint that tested positive for lead content and that is peeling or on a deteriorated subsurface - using work practices set forth in 28 rcny §11-06(b)(2) 1st window frame from east at south wall, 2nd window frame from east at south wall in the 5th room from north located at apt 2r, 2nd story, 2nd apartment from west at north
Apr 3, 2024 · Apt 2R
Closed — Violation closed - 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
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.
Nov 7, 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
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective bell and buzzer intercom system from 1st story building front to foyer located at apt 3r, 3rd story, 2nd apartment from west at north
Sep 5, 2020 · Apt 3R
Closed — Violation closed - 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.
Sep 5, 2020
Closed — Violation closed - 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
Sep 5, 2020
Closed — Violation closed - 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
Sep 5, 2020
Closed — Violation closed
DOB building violations · 3
- Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - dismissed - Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2017 inspection report
Nov 8, 2019
Dob violation - dismissed - Boiler boiler optional
31a.....exposed wiring at two conjucntion boxes one on the ceiling and one on the boiler
Sep 25, 1990
Vp*-violation unserved ecb- dismissed
ECB violations · 1
- Non-hazardous
Illegal use in a residential district. two car garage now used as an auto repair shop. note:4 cars been repaired at time of inspection. remedy:discontinue the illegal use forthwith.
Mar 11, 1991
Resolve
Complaints
- Unsanitary condition
Mold
Apr 2, 2024 · Apt 2R
Close - Water leak
Heavy flow
Apr 2, 2024 · Apt 2R
Close - Door/window
Window frame
Apr 2, 2024 · Apt 2R
Close - Paint/plaster
Ceiling
Apr 2, 2024 · Apt 2R
Close - Electric
Power outage
Sep 3, 2020 · Apt 3R
Close - Safety
Fire escape
Sep 3, 2020 · Apt 3R
Close - General
Bell/buzzer/intercom
Sep 3, 2020 · Apt 3R
Close - Safety
Window guard broken/missing
Aug 31, 2020 · Apt 3R
Close - Heating
Heat related
Mar 2, 2010 · Apt 3R
Close - Heating
Heat related
Nov 3, 2005 · Apt BLDG
Close
Show 1 more ↓
- Heating
Heat related
Feb 17, 2005 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C2)
- Year built
- 1912
- Floors
- 3
- Residential units
- 6
- Building area
- 5,382 ft²
- Lot area
- 2,522 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3419 / 6
- Assessed value
- $593,100
- Landmark / historic district
- No
HPD registration #348367, last renewed Jan 8, 2026.
Questions about 817 Knickerbocker Avenue
Who owns 817 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Knickerbocker Apt INC..
Does 817 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 20 housing violations at this property.
Is 817 Knickerbocker Avenue rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 817 Knickerbocker Avenue built?
City records list 1912 as the year it was built.
How many apartments are in 817 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.