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
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 35
- 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.
May 5, 2026
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.
Jun 10, 2025
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 10, 2024
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 14, 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 - 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
Nov 8, 2021
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
Nov 8, 2021
Closed — Violation dismissed - 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
Nov 8, 2021
Closed — Violation dismissed - 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
Nov 8, 2021
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
Show 25 more ↓
- 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 24, 2017
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.
Oct 9, 2015
Closed — Violation dismissed - ANon-hazardous
File with this department a registration statement for building.
May 2, 2001
Closed — Violation dismissed - BHazardous
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 - BHazardous
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 - CImmediately hazardous
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 - CImmediately hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
Paint with light colored paint to the satisfaction of this department walls & ceilings all stys public hall.
Sep 22, 1987
Open — Nov sent out - BHazardous
Properly repair with similar material the broken or defective plasterboard ceiling 3 sty public hall.
Sep 22, 1987
Open — Nov sent out - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - ANon-hazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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 - BHazardous
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
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.