661 Classon Avenue
Brooklyn, NY 11238BBL 3-01142-0003Map
Owner of record: 636 Classon Assoc LP
661 Classon Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11238. It has 14 residential units across 4 floors. The owner of record is 636 Classon Assoc LP. HPD has recorded 3 housing violations here, most recently on May 7, 2026. 3 of the 3 most recent violations are still open. City tax records listed 14 rent-stabilized apartments here in 2024.
- HPD violations
- 3
- DOB violations
- 11
- ECB violations
- 2
- HPD complaints
- 20
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
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 · 3
- 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 7, 2026
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.
May 4, 2026
Open — Nov sent out - CImmediately hazardous
Provide ready access to buildings heating system door locked at public hall, 1st story
Dec 18, 2010
Open — Nov certified late
DOB building violations · 11
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 1, 2009
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jan 3, 2008
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
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
Show 1 more ↓
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active
ECB violations · 2
- Class - 2
Observed at front erected illuminated business awning reading "arif discount mart" with no permits or approvals issued by dob with electrical work/wiring performed, obtain all permits; obtain required permits
Jul 14, 2023
Resolve - Non-hazardous
34a,b4a.
Jul 15, 2003
Resolve
Complaints
- Heat/hot water
Entire building
Nov 10, 2025 · Apt 1A
Close - Heating
Heat related
Dec 11, 2010 · Apt 2A
Close - Heating
Heat related
Oct 15, 2009 · Apt BLDG
Close - Heating
Heat related
Jan 17, 2009 · Apt 2A
Close - Heating
Heat related
Jan 17, 2009 · Apt 1A
Close - Heating
Heat related
Jan 16, 2009 · Apt 2D
Close - Heating
Heat related
Jan 16, 2009 · Apt 2D
Close - Heating
Heat related
Feb 12, 2008 · Apt 2A
Close - Heating
Heat related
Feb 17, 2007 · Apt 2A
Close - Heating
Heat related
Feb 8, 2007 · Apt 4A
Close
Show 10 more ↓
- General
Windows
Feb 8, 2007 · Apt 4A
Close - Heating
Heat related
Feb 8, 2007 · Apt 1A
Close - Heating
Heat related
Feb 6, 2007 · Apt 1A
Close - Heating
Heat related
Feb 5, 2007 · Apt 2A
Close - Heating
Heat related
Dec 10, 2006 · Apt 2A
Close - Heating
Heat related
Mar 1, 2006 · Apt 1A
Close - Appliance
Electric/gas range
Mar 1, 2006 · Apt 1A
Close - Plumbing
Water-leaks
Jul 10, 2005 · Apt 1A
Close - Heating
Heat related
Nov 6, 2004 · Apt 1A
Close - Plumbing
Bathtub/shower
Jun 28, 2003 · Apt 3C
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C7)
- Year built
- 1931
- Floors
- 4
- Residential units
- 14
- Building area
- 19,500 ft²
- Lot area
- 6,600 ft²
- Zoning
- R6A
- Community board
- 308
- Council district
- 35
- Block / lot
- 1142 / 3
- Assessed value
- $1,022,850
- Landmark / historic district
- No
HPD registration #317590, last renewed Aug 8, 2025.
Questions about 661 Classon Avenue
Who owns 661 Classon Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 636 Classon Assoc LP.
Does 661 Classon Avenue have violations?
Yes. NYC HPD has recorded 3 housing violations at this property.
Is 661 Classon Avenue rent stabilized?
NYC Department of Finance tax bills listed 14 rent-stabilized units here in 2024 (about 100% of its 14 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 661 Classon Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 661 Classon Avenue?
It has 14 residential units and 15 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.