663 Classon Avenue
Brooklyn, NY 11238BBL 3-01142-0002Map
Owner of record: Hp Mjm Housing Development Fund Company, INC.,
663 Classon Avenue is a mixed residential and retail building built in 1931 in Brooklyn, 11238. It has 6 residential units across 4 floors. The owner of record is Hp Mjm Housing Development Fund Company, INC.,. HPD has recorded 31 housing violations here, most recently on August 31, 2026. 4 of the 31 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 31
- DOB violations
- 2
- ECB violations
- 4
- HPD complaints
- 75
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 · 31
- BHazardous
Properly secure the loose metal door saddle at vestibule door at public hall, 1st story
Aug 31, 2026
Open — Nov sent out - CImmediately hazardous
Replace with new the missing hydronic baseboard radiator cover at public hall, 1st story
Jun 17, 2026
Open — Not complied with - CImmediately hazardous
Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at rear yard court
Jun 1, 2026
Closed — Violation dismissed - CImmediately hazardous
Fire escape defective. adjust the dropladder so that it will slide easily in the guide rods at building rear at fire escape, 1st story
Jun 1, 2026
Closed — Violation dismissed - BHazardous
Abate the nuisance consisting of pests. evidence of ants at public hall, 1st story
Jun 1, 2026
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2l, 2nd story, 2nd apartment from south at west
Apr 20, 2026 · Apt 2L
Closed — Violation dismissed - CImmediately hazardous
Provide ready access to buildings heating system door to boiler room locked at basement at basement at east
Apr 20, 2026
Closed — Violation closed - BHazardous
Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 2l, 2nd story, 2nd apartment from south at west
Mar 18, 2026 · Apt 2L
Closed — Violation dismissed - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 2l, 2nd story, 2nd apartment from south at west
Mar 18, 2026 · Apt 2L
Closed — Violation dismissed - CImmediately hazardous
Abate the nuisance consisting of evidence of rats and all underlying causes creating the pest infestations, by using integrated pest management (ipm), eliminate all burrow entry and passageways, pest nests, holes, gaps or cracks in walls, ceilings, floors, fixing leaks and managing garbage in public areas. evidence found at throughout yard
Mar 18, 2026
Closed — Violation closed
Show 21 more ↓
- BHazardous
Trace and repair the source and abate the visible mold condition... less than 10 square feet at ceiling in the bathroom located at apt 3r, 3rd story, 1st apartment from south at west original violation 18540890 issued 31-dec-25 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).
Dec 31, 2025 · Apt 3R
Open — First no access to re- inspect violation - ANon-hazardous
Trace and repair the source and abate the visible mold condition... less than 10 square feet at ceiling in the bathroom located at apt 3r, 3rd story, 1st apartment from south at west
Dec 31, 2025 · Apt 3R
Closed — Violation closed - CImmediately hazardous
M/d law abate the nuisance consisting of hot water exceeded maximum allowable temperature of 130 degrees in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west
Dec 31, 2025 · Apt 3R
Closed — Violation dismissed - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west
Dec 31, 2025 · Apt 3R
Closed — Violation dismissed - BHazardous
Properly repair or replace the broken or defective wall cabinet at north wall in the kitchen located at apt 3r, 3rd story, 1st apartment from south at west
Feb 24, 2025 · Apt 3R
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department all walls, ceilings, doors and door frames in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west
Feb 24, 2025 · Apt 3R
Open — First no access to re- inspect violation - CImmediately hazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 3r, 3rd story, 1st apartment from south at west
Feb 24, 2025 · Apt 3R
Closed — Violation dismissed - CImmediately hazardous
Properly repair with similar material the broken or defective wood floor in the 1st room from east located at apt 3r, 3rd story, 1st apartment from south at west
Feb 24, 2025 · Apt 3R
Closed — Violation dismissed - BHazardous
Remove all encumbrances consisting of abandoned furniture stored at public hall, 2nd story
Feb 24, 2025
Closed — Violation dismissed - CImmediately hazardous
Provide heavy duty mortise lock and assembly for building entrance door from the street at public hall, 1st story
May 25, 2022
Closed — Violation dismissed - CImmediately hazardous
Properly repair the broken or defective door locking mechanism at vestibule door , 1st story
Jul 6, 2017
Closed — Violation dismissed - BHazardous
Properly repair the broken or defective intercommunication system located at apt 2l, 2nd story, 1st apartment from east at south
Jul 6, 2017 · Apt 2L
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 a minimum of 100 watts of incandescent light required. (light fixture present)
Nov 30, 2014
Closed — Violation dismissed - BHazardous
Remove the accumulation of refuse and/or rubbish and maintain in a clean condition the rear yard
Jun 4, 2014
Closed — Violation closed - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 2l, 2nd story, 1st apartment from south at west
Jan 13, 2014 · Apt 2L
Closed — Violation closed - CImmediately hazardous
Provide ready access to buildings heating system door to cellar locked at public hall, 1st story
Jan 13, 2014
Closed — Violation closed - BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the north and east wall in the 1st room from east at north located at apt 4l, 4th story, 2nd apartment from south at west
Sep 17, 2012 · Apt 4L
Closed — Violation closed - BHazardous
Repair the roof so that it will not leak ...evidence of a roof leak over the ceiling in the 1st room from east located at apt 4l, 4th story, 2nd apartment from south at west
Sep 16, 2012 · Apt 4L
Closed — Violation closed - ANon-hazardous
Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling and walls in the 1st room from east located at apt 4l, 4th story, 2nd apartment from south at west
Sep 16, 2012 · Apt 4L
Closed — Violation closed - CImmediately hazardous
Properly secure the loose marble stair tread 3rd from bottom at public hall stairs, 3rd story
Sep 16, 2012
Closed — Violation closed - 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 required
Nov 23, 2003
Closed — Violation closed
DOB building violations · 2
- 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
Jul 25, 1994
Dob violation - dismissed
ECB violations · 4
- Class - 2
Failure to comply with the commissioner's order to file a certificate of correction with the dept of buildings for summons 39090355y, file a certificate of correction
May 12, 2026 · Penalty $1,250
Active - Class - 2
Work with-out permit, at time of inspection, observed 4 story building ground floor level erected full height partition wall creating a hallway from the front door leading into the event space, also an office/b
Jul 17, 2023 · Penalty $1,250
Active - Class - 1
Change in occupancy/use of c of o as per 28-118.3.1 & by operating a place of assembly as per when current c of o does not allow such occupancy. at time of inspection, observed 4 story building the ground floor
Jul 17, 2023 · Penalty $5,000
Active - Class - 3
Work without a permit noted: observed at exp1 front erected non illuminated business sign/awning reading "classon woods bk event lounge" with no permits or approvals issued by dob remedy: obtain permit
Jul 10, 2023
Resolve
Complaints
- Plumbing
Water supply
Aug 25, 2026 · Apt BLDG
Close - Unsanitary condition
Pests
Aug 6, 2026 · Apt 3R
Close - Door/window
Door
May 11, 2026 · Apt 2L
Close - Door/window
Door
May 8, 2026 · Apt 2L
Close - Unsanitary condition
Pests
May 8, 2026 · Apt 2L
Close - Heat/hot water
Entire building
Apr 19, 2026 · Apt 2L
Close - Heat/hot water
Apartment only
Apr 9, 2026 · Apt 3R
Close - Heat/hot water
Entire building
Mar 29, 2026 · Apt BLDG
Close - Heat/hot water
Apartment only
Mar 17, 2026 · Apt 3R
Close - Heat/hot water
Entire building
Mar 9, 2026 · Apt 3R
Close
Show 40 more ↓
- Heat/hot water
Entire building
Feb 25, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 25, 2026 · Apt BLDG
Close - Heat/hot water
Entire building
Feb 24, 2026 · Apt BLDG
Close - Heat/hot water
Apartment only
Feb 23, 2026 · Apt 3R
Close - Heat/hot water
Entire building
Dec 28, 2025 · Apt 2L
Close - Heat/hot water
Apartment only
Dec 16, 2025 · Apt 3R
Close - General
Cabinet
Feb 11, 2025 · Apt 3R
Close - Unsanitary condition
Pests
Feb 11, 2025 · Apt 3R
Close - Flooring/stairs
Floor
Feb 11, 2025 · Apt 3R
Close - Water leak
Heavy flow
Feb 10, 2025 · Apt 3L
Close - Appliance
Refrigerator
Feb 9, 2024 · Apt 4L
Close - Door/window
Door
Jul 23, 2023 · Apt BLDG
Close - Door/window
Door
May 26, 2022 · Apt 4L
Close - Door/window
Door
May 20, 2022 · Apt 1
Close - Heat/hot water
Apartment only
Mar 7, 2022 · Apt 4L
Close - Unsanitary condition
Pests
Nov 15, 2018 · Apt 2L
Close - Door/window
Door
Jun 21, 2017 · Apt 2L
Close - Unsanitary condition
Pests
Apr 7, 2016 · Apt 2L
Close - Unsanitary condition
Pests
Apr 7, 2016 · Apt 2L
Close - Unsanitary condition
Garbage/recycling storage
May 24, 2014 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
May 24, 2014 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
May 24, 2014 · Apt BLDG
Close - Unsanitary condition
Garbage/recycling storage
May 24, 2014 · Apt BLDG
Close - Heating
Heat related
Jan 9, 2014 · Apt NA
Close - Heating
Heat related
Dec 27, 2013 · Apt 3R
Close - Heating
Heat related
Feb 12, 2013 · Apt NA
Close - Heating
Heat related
Feb 11, 2013 · Apt NA
Close - Heating
Heat related
Feb 7, 2013 · Apt NA
Close - Heating
Heat related
Feb 5, 2013 · Apt NA
Close - Heating
Heat related
Feb 2, 2013 · Apt NA
Close - Heating
Heat related
Jan 31, 2013 · Apt NA
Close - Heating
Heat related
Jan 30, 2013 · Apt BLDG
Close - Heating
Heat related
Jan 27, 2013 · Apt NA
Close - Heating
Heat related
Jan 25, 2013 · Apt NA
Close - Heating
Heat related
Jan 23, 2013 · Apt NA
Close - Heating
Heat related
Jan 22, 2013 · Apt NA
Close - Heating
Heat related
Jan 21, 2013 · Apt NA
Close - Heating
Heat related
Jan 20, 2013 · Apt NA
Close - Heating
Heat related
Jan 19, 2013 · Apt NA
Close - Heating
Heat related
Jan 17, 2013 · Apt NA
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Mixed residential and retail building (S5)
- Year built
- 1931
- Floors
- 4
- Residential units
- 6
- Building area
- 6,500 ft²
- Lot area
- 2,200 ft²
- Zoning
- R6A
- Community board
- 308
- Council district
- 35
- Block / lot
- 1142 / 2
- Assessed value
- $873,900
- Landmark / historic district
- No
HPD registration #359050, last renewed Jun 30, 2025.
Questions about 663 Classon Avenue
Who owns 663 Classon Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Hp Mjm Housing Development Fund Company, INC.,.
Does 663 Classon Avenue have violations?
Yes. NYC HPD has recorded 31 housing violations at this property.
Is 663 Classon 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 663 Classon Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 663 Classon Avenue?
It has 6 residential units and 7 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.