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300 Knickerbocker Avenue

Brooklyn, NY 11237BBL 3-03219-0030Map

Owner of record: Jerry A. Dellaratta, As Co-Trustee

300 Knickerbocker Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11237. It has 4 residential units across 3 floors. The owner of record is Jerry A. Dellaratta, As Co-Trustee. HPD has recorded 35 housing violations here, most recently on May 5, 2026. 22 of the 35 most recent violations are still open.

HPD violations
35
DOB violations
2
ECB violations
1
HPD complaints
16

What to know

Concern
2 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 · 35

  • 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

    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

    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

    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
  • 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

    Nov 8, 2021

    Closed — Violation dismissed
  • 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

    Nov 8, 2021

    Closed — Violation dismissed
  • 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

    Nov 8, 2021

    Closed — Violation dismissed
  • 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

    Nov 8, 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

    Closed — Violation dismissed
Show 25 more ↓
  • 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.

    Oct 9, 2015

    Closed — Violation dismissed
  • A

    File with this department a registration statement for building.

    May 2, 2001

    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 100 watts minimum

    Nov 19, 1998

    Open — Nov sent out
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 3 sty east apt 3l. , section '' ''

    Sep 20, 1988 · Apt 3L

    Open — Nov sent out
  • C

    Remove or cover in a manner approved by the department the peeling lead paint walls & ceilings 3 sty east apt 3l 2nd room from front center private hall delgado 381 3753 er1. , section '' ''

    Sep 20, 1988 · Apt 3L

    Open — Nov sent out
  • C

    Remove or cover in a manner approved by the department the peeling lead paint ceiling 3 sty apt 3l bathroom delgado 381 3753. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Defect letter issued
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color walls 3 sty apt 3l 2nd room from front. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Nov sent out
  • B

    Properly repair the broken or defective light fixture ceiling 3 sty apt 3l 2nd room from front. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Nov sent out
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from window to fire escape or provide approved type gate 3 sty apt 3l. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Nov sent out
  • B

    M/d law abate the nuisance consisting of exposed electrical wires ceiling 3 sty apt 3l center room. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Nov sent out
  • B

    Repair the leaky and/or defective faucets cold water bathtub 3 sty apt 3l bathroom. located at apt 3l

    Sep 22, 1987 · Apt 3L

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in a uniform color walls 3 sty apt 3r bathroom. located at apt 3r

    Sep 22, 1987 · Apt 3R

    Open — Nov sent out
  • B

    Arrange and make self-closing the doors entrance 3 sty apt 3r. located at apt 3r

    Sep 22, 1987 · Apt 3R

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department walls & ceilings all stys public hall.

    Sep 22, 1987

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective plasterboard ceiling 3 sty public hall.

    Sep 22, 1987

    Open — Nov sent out
  • A

    D26-21.03 adm code paint or post a sign indicating floors on walls at or near stairs 2 & 3 sty pub hall.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-10.01, 10.05 adm code remove all encumbrances consisting of household articles 1 & sty pub hall.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-19.05 adm code provide adequate light of not less than 60 watts incandescent or equivalent illumination all sty pub hall.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the cellar front.

    Sep 22, 1987

    Open — Nov sent out
  • A

    Section 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 frame missing.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-10.01, 10.05 adm code remove all encumbrances consisting of household items 3rd sty public hall.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-10.01 adm code properly repair with similar material the broken or defective plaster ceiling cellar throughout.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-16.01 adm code repair the leaky and/or defective water supply pipe water main cellar front.

    Sep 22, 1987

    Open — Nov sent out
  • B

    D26-10.01, 10.05 adm code and dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pots 2nd & 3rd sty stacks rear.

    Sep 22, 1987

    Open — Nov sent out

DOB building violations · 2

  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 31, 2005

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 26, 2002

    Dob violation - dismissed

ECB violations · 1

  • Hazardous

    Exit passageway corridor obstructed noted 2nd and 4rd flrs at the premises obstructed with garbage cans bags pcs of furniture wares difficulty to passing thru and unsafe for public remedy: remove obstruction

    Jan 15, 2008 · Penalty $480

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Nov 5, 2021 · Apt BLDG

    Close
  • General

    Mailbox

    Aug 12, 2019 · Apt 2R

    Close
  • Unsanitary condition

    Pests

    Aug 12, 2019 · Apt 2R

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Aug 12, 2019 · Apt 2R

    Close
  • Unsanitary condition

    Pests

    Aug 12, 2019 · Apt 2R

    Close
  • Electric

    Power outage

    Dec 2, 2014 · Apt BLDG

    Close
  • Unsanitary condition

    Garbage/recycling storage

    Dec 2, 2014 · Apt BLDG

    Close
  • Construction

    Roof

    Oct 2, 2008 · Apt BLDG

    Close
  • General

    Doors

    Apr 30, 2008 · Apt BLDG

    Close
  • Heating

    Heat related

    Dec 18, 2007 · Apt BLDG

    Close
Show 6 more ↓
  • General

    Doors

    Nov 8, 2007 · Apt BLDG

    Close
  • General

    Doors

    Nov 3, 2007 · Apt BLDG

    Close
  • Nonconst

    Vermin

    Aug 10, 2007 · Apt 2L

    Close
  • Nonconst

    Vermin

    Aug 10, 2007 · Apt 2L

    Close
  • Nonconst

    Vermin

    Aug 10, 2007 · Apt 2L

    Close
  • Nonconst

    Vermin

    Aug 10, 2007 · Apt 2L

    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 (S9)
Year built
1931
Floors
3
Residential units
4
Building area
5,250 ft²
Lot area
2,500 ft²
Zoning
R6
Community board
304
Council district
34
Block / lot
3219 / 30
Assessed value
$582,750
Landmark / historic district
No

HPD registration #318366, last renewed Aug 23, 2025.

Questions about 300 Knickerbocker Avenue

Who owns 300 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Jerry A. Dellaratta, As Co-Trustee.

Does 300 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 35 housing violations at this property.

Is 300 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 300 Knickerbocker Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 300 Knickerbocker Avenue?

It has 4 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.