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645 Lenox Avenue

Manhattan, NY 10037BBL 1-02011-0031Map

Owner of record: NYC Housing Authority

645 Lenox Avenue is a walk-up apartment building built in 1920 in Manhattan, 10037. It has 15 residential units across 6 floors. The owner of record is NYC Housing Authority. HPD has recorded 11 housing violations here, most recently on April 29, 2026. 1 of the 11 most recent violations are still open.

HPD violations
11
DOB violations
12
ECB violations
10
HPD complaints
2

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Apr 29, 2026

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

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 11

  • A

    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 29, 2026

    Closed — Violation dismissed
  • A

    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 4, 2025

    Closed — Violation dismissed
  • A

    Post sign on wall of entrance story bearing name, address including apartment number if any, and telephone number of superintendent, janitor or housekeeper. at public hall, 1st story

    Jan 24, 2025

    Closed — Violation dismissed
  • A

    § 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

    Jan 24, 2025

    Closed — Violation dismissed
  • C

    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

    Jan 24, 2025

    Open — Not complied with
  • A

    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

    Jan 24, 2025

    Closed — Violation dismissed
  • A

    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

    Jan 24, 2025

    Closed — Violation dismissed
  • A

    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

    Jan 24, 2025

    Closed — Violation dismissed
  • A

    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

    Jan 24, 2025

    Closed — Violation dismissed
  • 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 minimum required (light fixtures present)

    May 2, 2013

    Closed — Violation closed
Show 1 more ↓
  • 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 required.

    Aug 31, 2009

    Closed — Violation closed

DOB building violations · 12

  • Low pressure boiler boiler required

    Violation issued-failure to file 2024 external low pressure inspection

    Nov 14, 2025

    Dob violation - dismissed
  • Facade safety program facade required

    Nycha filed unsafe report filed (8c)

    Sep 25, 2020

    Dob violation - active
  • Facade safety program facade required

    Nycha filed unsafe report filed (9c)

    Sep 25, 2020

    Dob violation - active
  • Facade safety program facade required

    Nycha filed unsafe report filed (8c)

    Sep 25, 2020

    Dob violation - active
  • No report and / or late filing (facade) facade required

    Failed to file fisp cycle 7c technical report by 02/21/2013

    Dec 31, 2013

    Dob violation - dismissed
  • Facade facade optional

    Cycle 7 unsafe report filed

    Jul 19, 2013

    Dob violation - active
  • Facade facade optional

    Ll1198-local law 11/98 - facade facade optional

    Nov 30, 2007

    Dob violation - dismissed
  • Facade facade required

    L1198-local law 11/98 - facade facade required

    Aug 8, 2002

    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

    Aug 29, 1995

    Dob violation - dismissed
Show 2 more ↓
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 18, 1994

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Mar 18, 1993

    Dob violation - dismissed

ECB violations · 10

  • Class - 2

    Domestic hw blr not interlocked w/draft inducer+draft proving switch installed interlocked w/both blrs/motorized combustion air louver defective/louver missing open louver proving switch interlocked w/both blrs

    Sep 28, 2022 · Penalty $625

    Active
  • Class - 2

    Burner modulating motor is defective/gas piolit is not hard pipe to the regulator/burner gas regulator is defective;correct violation and submit the certificate of correction

    Sep 28, 2022 · Penalty $625

    Active
  • Class - 1

    Found weil mclain (model# 488) gas fired boiler in basement had to cease use boiler due to open flue pipe, chamber door sight glass missing and no spill switch hazardous condition do not operate boiler until al

    May 13, 2022 · Penalty $1,250

    Resolve
  • Class - 1

    Found a o smith(model#gw400 gas fired boiler in basement had to cease use boiler due to flue pipe being disconnected from chimney and storage tank leaking hazardous condition do not operate boiler until all haz

    May 13, 2022 · Penalty $1,250

    Resolve
  • Class - 2

    Failur eto submit an acceptable required cycle 8c reprot of critical examination documenting condition of etxeiror walla dn appurtenances required by 28-302.4 for control #806908 submit acceptable required tech

    Feb 13, 2020 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to provide permit for temporary construction equipment. note: at the time of inspection, i observed sidewalk shed in place without valid permit. rem: comply with code-obtain permit.

    Oct 25, 2017

    Resolve
  • Class - 2

    Failure to provide information panel. note: at time of inspection, i observed sidewalk shed in place without information panel on parapet. rem: comply with code-provide information panel.

    Oct 25, 2017

    Resolve
  • Class - 2

    Failure to file acceptable amended report indicating correction of unsafe conditons described in initial local law 11/98 report.remedy:file acceptable amended report.

    Nov 7, 2016

    Resolve
  • Non-hazardous

    49-oversized relief valve on weil mclain boiler-60 pound relief valve exceeds maximum allowable working pressure of boiler(50 pounds maximum

    Oct 6, 2000

    Resolve
  • Hazardous

    Failure to safeguard public and property affected by construction operations: lifting and hoisting kitchen cabinet over sidewalk with- out shed to upper floors. remedy: provide safe and proper manner of

    Aug 26, 1992

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Jan 21, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 7, 2024 · Apt BLDG

    Close

Sales history

No recorded sales in our data

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

Building details

Building type
Walk-up apartment building (C7)
Year built
1920
Floors
6
Residential units
15
Building area
15,898 ft²
Lot area
3,992 ft²
Zoning
R7-2
Community board
110
Council district
9
Block / lot
2011 / 31
Assessed value
$622,350
Landmark / historic district
No

HPD registration #144903, last renewed Dec 5, 2025.

Questions about 645 Lenox Avenue

Who owns 645 Lenox Avenue?

The owner of record in NYC Department of City Planning PLUTO data is NYC Housing Authority.

Does 645 Lenox Avenue have violations?

Yes. NYC HPD has recorded 11 housing violations at this property.

Is 645 Lenox 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 645 Lenox Avenue built?

City records list 1920 as the year it was built.

How many apartments are in 645 Lenox Avenue?

It has 15 residential units and 17 units in total.

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