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644 Classon Avenue

Brooklyn, NY 11238BBL 3-01141-0049Map

Owner of record: Mhany 2002 Housing Development Fund Corp Oration

644 Classon Avenue is a two-family home built in 1920 in Brooklyn, 11238. It has 2 residential units across 3 floors. The owner of record is Mhany 2002 Housing Development Fund Corp Oration. HPD has recorded 16 housing violations here, most recently on May 19, 2025. 1 of the 16 most recent violations are still open. City tax records listed 2 rent-stabilized apartments here in 2018.

HPD violations
16
DOB violations
0
ECB violations
0
HPD complaints
8

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation May 19, 2025

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

Rent-stabilized units in 2018
2
About 100% of the building's 2 apartments

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.

Stabilized units by tax-bill year

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 · 16

  • C

    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 rat droppings observed at cellar

    May 19, 2025

    Open — Nov sent out
  • 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 17, 2022

    Closed — Violation dismissed
  • C

    Fire escape defective. replace with new the broken, defective and/or missing 8th tread from 2nd story at building front

    Feb 23, 2014

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective concrete at top tread at stoop

    Feb 23, 2014

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective ceramic tiles at east wall in the bathroom located at apt 1, 1st story, 1st apartment from south at west

    Nov 7, 2005 · Apt 1

    Closed — Violation closed
  • B

    Abate the nuisance consisting of vermin , west wall, north wall, south wall, ceiling in the 1st room from east located at apt 1, 1st story, 1st apartment from south at west

    Nov 7, 2005 · Apt 1

    Closed — Violation closed
  • B

    Fire egress defective. remove obstructing bars or unlawful gates from at least 1 window or provide approved type gate , in the 1st room from east located at apt 1, 1st story, 1st apartment from south at west

    Nov 7, 2005 · Apt 1

    Closed — Violation closed
  • B

    Abate the nuisance consisting of vermin mice in the kitchen located at apt 1, 1st story, 1st apartment from south at west

    Nov 7, 2005 · Apt 1

    Closed — Violation closed
  • 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 incand required fixture present no lights

    Aug 24, 1998

    Closed — Violation closed
  • A

    D26-12.01 adm code paint with light colored paint to the satisfaction of this department ceilings & walls of all rooms 2nd sty apt 2. , section '' ''

    May 29, 1986 · Apt 2

    Closed — Violation dismissed
Show 6 more ↓
  • B

    D26-10.01 adm code repair the broken or defective plastered surfaces and paint in a uniform color walls and ceiling 1 sty apt thru out.

    May 29, 1986

    Closed — Violation closed
  • B

    D26-20.08,20.09 adm code provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing 1 sty apt 1. located at apt 1

    May 29, 1986 · Apt 1

    Closed — Violation closed
  • A

    D26-12.01 adm code paint with light colored paint to the satisfaction of this department walls & ceilings 1 sty apt 1 thru out. located at apt 1

    May 29, 1986 · Apt 1

    Closed — Violation dismissed
  • C

    D26-17.10 adm code post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to building's heating system 1 sty public hall and on boiler room door.

    May 29, 1986

    Closed — Violation dismissed
  • 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.

    May 22, 1986

    Closed — Violation dismissed
  • A

    D26-20.08,20.09 adm code file certification of satisfactory installation of smoke detecting device in accordance with h.p.d. rules and regulations.

    May 22, 1986

    Closed — Violation dismissed

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

  • Door/window

    Door

    Dec 11, 2024 · Apt 1

    Close
  • General

    Fire-escape

    Feb 20, 2014 · Apt BLDG

    Close
  • General

    Stairs

    Feb 20, 2014 · Apt BLDG

    Close
  • General

    Mold

    Nov 3, 2005 · Apt 1

    Close
  • Nonconst

    Vermin

    Nov 3, 2005 · Apt 1

    Close
  • Paint/plaster

    Wall

    Nov 3, 2005 · Apt 1

    Close
  • General

    Mold

    Nov 3, 2005 · Apt 1

    Close
  • Paint/plaster

    Ceiling

    Nov 3, 2005 · Apt 1

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Two-family home (B1)
Year built
1920
Floors
3
Residential units
2
Building area
1,824 ft²
Lot area
1,958 ft²
Zoning
R6A
Community board
308
Council district
35
Block / lot
1141 / 49
Assessed value
$79,740
Landmark / historic district
No

HPD registration #811882, last renewed Jul 24, 2025.

Questions about 644 Classon Avenue

Who owns 644 Classon Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Mhany 2002 Housing Development Fund Corp Oration.

Does 644 Classon Avenue have violations?

Yes. NYC HPD has recorded 16 housing violations at this property.

Is 644 Classon Avenue rent stabilized?

NYC Department of Finance tax bills listed 2 rent-stabilized units here in 2018 (about 100% of its 2 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 644 Classon Avenue built?

City records list 1920 as the year it was built.

How many apartments are in 644 Classon Avenue?

It has 2 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.