421 Classon Avenue
Brooklyn, NY 11238BBL 3-01970-0007Map
Owner of record: The L.p. Morgan LLC
421 Classon Avenue is a walk-up apartment building built in 1930 in Brooklyn, 11238. It has 6 residential units across 3 floors. The owner of record is The L.p. Morgan LLC. HPD has recorded 32 housing violations here, most recently on May 4, 2026. 31 of the 32 most recent violations are still open.
- HPD violations
- 32
- DOB violations
- 11
- ECB violations
- 0
- HPD complaints
- 15
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 · 32
- 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 4, 2026
Open — Nov sent out - 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 20, 2025
Open — Info 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.
Jun 9, 2025
Open — Nov sent out - 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 29, 2024
Open — Info 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.
Apr 9, 2024
Open — Nov sent out - 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 22, 2023
Open — Info 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 5, 2023
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 5, 2023
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 5, 2023
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 5, 2023
Open — Nov sent out
Show 22 more ↓
- 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 5, 2023
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 5, 2023
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 missing at public hall, 1st story
Jul 5, 2023
Open — Nov sent out - BHazardous
Remove all encumbrances consisting of household items and bicycle at public hall, 2nd story
Jul 5, 2023
Open — Nov sent out - BHazardous
And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pots at west stack building front at fire escape, 3rd story
Jul 5, 2023
Open — Nov sent out - BHazardous
Remove all encumbrances consisting of multiple bicycle at public hall, 1st story
Jul 5, 2023
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.
Mar 22, 2023
Open — Nov sent out - 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
Open — Info 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 23, 2022
Open — Nov sent out - 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, 2022
Open — Info 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.
Apr 7, 2021
Open — Nov sent out - 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.
Apr 7, 2021
Open — Info nov sent out - 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 29, 2019
Open — Info nov sent out - 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 16, 2018
Open — Info nov sent out - 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 20, 2017
Open — Info nov sent out - 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 8, 2015
Closed — Violation dismissed - BHazardous
And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes consisting of flower pots at 2nd story balcony at building front
Sep 9, 2015
Open — Nov sent out - BHazardous
M/d law abate the nuisance consisting of air conditioners without proper support brackets at building front all stories
Sep 9, 2015
Open — Nov sent out - BHazardous
Replace with new the missing four window eyebrow transom glass panes in the entire apartment located at apt topfl, 3rd story
Apr 23, 2012 · Apt TOPFL
Open — Nov sent out - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling and east wall in the kitchen located at apt topfl, 3rd story
Apr 23, 2012 · Apt TOPFL
Open — Nov sent out - BHazardous
Repair or replace the smoke detector missing located at apt topfl, 3rd story
Apr 23, 2012 · Apt TOPFL
Open — Nov sent out - BHazardous
Provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules. located at apt topfl, 3rd story
Apr 23, 2012 · Apt TOPFL
Open — Nov sent out
DOB building violations · 11
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 6, 2006
Dob violation - dismissed - 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
Feb 13, 2004
Dob violation - dismissed - 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
Feb 7, 2000
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 16, 1999
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
Show 1 more ↓
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active
ECB violations · 0
No ECB violations on record
Complaints
- Appliance
Refrigerator
Dec 23, 2025 · Apt 5
Close - Door/window
Door
Mar 20, 2023 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
Jun 19, 2017 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
Feb 15, 2015 · Apt BLDG
Close - Nonconst
Rubbish
Apr 25, 2012 · Apt TOPFL
Close - General
Windows
Apr 20, 2012 · Apt TOPFL
Close - General
Windows
Apr 20, 2012 · Apt TOPFL
Close - General
Ventilation system
Apr 20, 2012 · Apt TOPFL
Close - Paint/plaster
Wall
Apr 20, 2012 · Apt TOPFL
Close - General
Fire-escape
Apr 20, 2012 · Apt TOPFL
Close
Show 5 more ↓
- General
Locks
Apr 20, 2012 · Apt TOPFL
Close - Nonconst
Rubbish
Apr 20, 2012 · Apt TOPFL
Close - Nonconst
Janitor/super
Apr 20, 2012 · Apt TOPFL
Close - General
Windows
Apr 20, 2012 · Apt TOPFL
Close - General
Floor
Feb 26, 2004 · Apt 4
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C2)
- Year built
- 1930
- Floors
- 3
- Residential units
- 6
- Building area
- 13,600 ft²
- Lot area
- 4,000 ft²
- Zoning
- R6B
- Community board
- 303
- Council district
- 36
- Block / lot
- 1970 / 7
- Assessed value
- $1,498,050
- Landmark / historic district
- No
HPD registration #381507, last renewed Aug 3, 2016.
Questions about 421 Classon Avenue
Who owns 421 Classon Avenue?
The owner of record in NYC Department of City Planning PLUTO data is The L.p. Morgan LLC.
Does 421 Classon Avenue have violations?
Yes. NYC HPD has recorded 32 housing violations at this property.
Is 421 Classon 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 421 Classon Avenue built?
City records list 1930 as the year it was built.
How many apartments are in 421 Classon 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.