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436 West 20 Street

Manhattan, NY 10011BBL 1-00717-0062Map

Owner of record: Chelsea Square, LLC

436 West 20 Street is a walk-up apartment building built in 1835 in Manhattan, 10011. It has 7 residential units across 5 floors. The owner of record is Chelsea Square, LLC. HPD has recorded 49 housing violations here, most recently on April 29, 2026.

HPD violations
49
DOB violations
16
ECB violations
15
HPD complaints
54

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

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 · 49

  • 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

    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 1, 2024

    Closed — Violation dismissed
  • 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 15, 2023

    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.

    Mar 15, 2023

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective .. in the entrance located at apt 2, 2nd story, 1st apartment from west at north

    Oct 27, 2021 · Apt 2

    Closed — Violation dismissed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north

    Oct 27, 2021 · Apt 2

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north

    Oct 27, 2021 · Apt 2

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 3, 3rd story, 1st apartment from south at west

    Oct 22, 2021 · Apt 3

    Closed — Violation closed
  • C

    Fire escape defective. replace with new the broken, defective and/or missing 2nd and 15th metal treads from bottom up at 2nd story balcony at fire escape building front

    Oct 22, 2021

    Closed — Violation closed
Show 39 more ↓
  • C

    Replace or repair the self-closing doors that is missing or defective ... in the entrance located at apt 3, 3rd story, 1st apartment from south at west

    Oct 22, 2021 · Apt 3

    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

    Oct 22, 2021

    Closed — Violation dismissed
  • 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

    Oct 22, 2021

    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

    Sep 8, 2021

    Closed — Violation dismissed
  • 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

    Sep 8, 2021

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of scalding hot water exceeding a maximum of 130 degrees in the entire apartment located at bsmt-apt garden, 1st bsmt-apt from east at south

    Jul 2, 2021 · Apt GARDEN

    Closed — Violation closed
  • C

    Remove the illegal double cylinder key operated locking device at door in the entire apartment located at bsmt-apt garden, 1st bsmt-apt from east at south

    Jul 2, 2021 · Apt GARDEN

    Closed — Violation dismissed
  • B

    § 53,187,231 m/d law & dept rules & reg. provide means of egress from yard to street by fireproof passageway for which application must be filed for approval,or by unlocked door or gate in fence to adjoining premises with consent of adjacent owner.

    Jul 2, 2021

    Closed — Violation dismissed
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint all balconys at all stories at south fire escape

    Jul 2, 2021

    Closed — Violation dismissed
  • C

    M/d law abate the nuisance consisting of hot water exceeds 130 degrees maximum temperature at all fixtures in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jun 26, 2021 · Apt 3

    Closed — Violation closed
  • B

    Repair or replace the carbon monoxide detecting device(s). defective in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jun 26, 2021 · Apt 3

    Closed — Violation dismissed
  • B

    Repair or replace the smoke detector defective in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jun 26, 2021 · Apt 3

    Closed — Violation dismissed
  • B

    M/d law abate the nuisance consisting of cold water has 115 degrees fahrenheit at all fixtures in the entire apartment located at apt 3, 3rd story, 1st apartment from west at north

    Jun 26, 2021 · Apt 3

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective .. in the entrance located at apt 3, 3rd story, 1st apartment from west at north

    Jun 26, 2021 · Apt 3

    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.

    Apr 1, 2021

    Closed — Violation dismissed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes flower pots at 2nd story balcony building front

    Jan 17, 2020

    Closed — Violation dismissed
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint at fire escape at building front

    Jan 17, 2020

    Closed — Violation dismissed
  • A

    And dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint all stories, all parts all components of fire escape at front of building

    Sep 4, 2018

    Closed — Violation dismissed
  • B

    Properly repair with similar material the broken or defective wooden soffit above building entrance door at stoop, 1st story

    Sep 4, 2018

    Closed — Violation dismissed
  • B

    Properly repair and abate unsafe electric wiring condition consisting of exposed electrical wires at east and west walls at building entrance exterior at stoop, 1st story

    Sep 4, 2018

    Closed — Violation dismissed
  • 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.

    Oct 26, 2016

    Closed — Violation dismissed
  • 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.

    Oct 2, 2015

    Closed — Violation dismissed
  • B

    D26-10.01, 10.05 adm code and dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes 3 4 stys at front.

    Mar 30, 1982

    Closed — Violation dismissed
  • B

    D26-10.01 adm code & 309 m/d law abate the nuisance consisting of tree branches blocking drop ladder at front fire escape.

    Mar 30, 1982

    Closed — Violation dismissed
  • A

    D26-10.01 adm code provide board of standards & appeals approved type peephole in entrance doors to each housing unit where not already provided.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    D26-10.01 adm code abate the nuisance consisting of excessive amount of wood etc stored cellar.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    D26-10.01 adm code abate the nuisance consisting of storage of furniture basement & 4th sty public hall.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    D26-10.01 adm code replace with new the missing iron ladder 4 sty public hall to roof at scuttle recess.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-11.01, 11.03, 11.05 adm code remove the accumulation of refuse and/or rubbish and maintain in a clean condition the cellar throughout.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-10.01, 10.05 adm code remove all encumbrances consisting of bldg material 1 sty pub hall.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-10.01 adm code properly secure the loose clg light fixture 2 sty pub hall.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-10.01 adm code replace with new the missing clg light fixtire 1 sty pub hall at front.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-10.01 adm code properly repair with similar material the broken or defective clg basement sty pub hall.

    Jun 28, 1979

    Closed — Violation dismissed
  • B

    D26-10.01 adm code properly repair with similar material the broken or defective wood floor basement sty pub hall.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    § 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration closet erected 4 sty pub hall at scuttle.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    D26-10.01 adm code properly repair with similar material the broken or defective ceiling cellar.

    Jun 28, 1979

    Closed — Violation dismissed
  • A

    D26-12.03 adm code and dept. rules and regulations. scrape and remove rust scales and paint with 2 coats of paint front fire escape all stys.

    May 31, 1979

    Closed — Violation dismissed
  • B

    D26-10.01, 10.05 adm code remove all encumbrances consisting of wood bricks etc frnt areaway.

    May 31, 1979

    Closed — Violation dismissed
  • B

    D26-10.01 adm code abate the nuisance consisting of vines growing on fire escape obstructing egress.

    May 31, 1979

    Closed — Violation dismissed

DOB building violations · 16

  • Low pressure boiler boiler required

    Violation issued-failure to file 2024 external low pressure inspection

    Nov 14, 2025

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued-failure to file 2023 external low pressure inspection

    Sep 23, 2024

    Dob violation - dismissed
  • Fail to certify class 1 none

    Failure to certify correction on immediately hazardous (class 1) ecb violation

    Oct 4, 2023

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued-failure to file 2020 external low pressure inspection

    Jun 30, 2023

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2012 inspection report

    May 15, 2014

    Dob violation - dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2011 inspection/test

    Oct 1, 2012

    Dob violation - dismissed
  • Landmark none

    Landmk-landmark none

    Feb 23, 2011

    Dob violation - dismissed
  • Landmark none

    Landmk-landmark none

    Mar 22, 2010

    Dob violation - dismissed
  • Landmark none

    Landmk-landmark none

    May 29, 2009

    Dob violation - dismissed
Show 6 more ↓
  • Construction other optional

    Failure to provide accepted plans at job site at time of inspection no ted: construction site active and wall (new) at basement level on plan as existing angles (steel) for support of existing wood joist no on plans remedy: provide amend plans call excavation unit 212442-1544

    Apr 27, 2009

    Dob violation - active
  • 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

    Mar 19, 2003

    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

    Mar 18, 1993

    Dob violation - dismissed
  • Construction other optional

    C-construction other optional

    Feb 14, 1990

    Dob violation - dismissed

ECB violations · 15

  • Class - 2

    Failure to submit certificate of correction for violation # 39081710p issued on 03/17/2023 for miscellaneous violations ( cold form steel installed ), file a certificate of correction

    Oct 28, 2025 · Penalty $1,250

    Resolve
  • Class - 2

    Bc 3307.6.3 at time of inspection of a 4 stories building i observed sidewalk shed installed on exposure # 1 without extended to adjacent buildings on both side with minimum extension as require by code this cr

    Dec 23, 2024 · Penalty $2,500

    Resolve
  • Class - 2

    At time of inspection of a 4 stories building job site i observed construction fence in place at exposure # 1 and 4 without plexiglass to cover the view port which creates large opening on fence which can lead

    Dec 23, 2024 · Penalty $1,000

    Resolve
  • Class - 2

    Violation issued for temporary construction equipment on site with expired permit. atoi observed temporary green construction fence installed at exp 1 around yard. active constructiob site permit #m00877998-i1-

    Sep 20, 2024 · Penalty $625

    Resolve
  • Class - 2

    Failure to post or property post permit for work at premises. atoi observed active construction site, with active permit on file with the department, but expired permit posted on fence at exp 1 of property perm

    Sep 20, 2024 · Penalty $150

    Resolve
  • Class - 2

    Violation issued for temporary construction equipment on site with expired permit. atoi observed temporary construction a supported pie scaffolding installed at exp 1 and fully netted and covered. active constr

    Sep 20, 2024 · Penalty $625

    Resolve
  • Class - 1

    At 3rd floor observed cold formed steel installed. department records indicate no tr-1 filed.; bc 1705.2.6, comply with code; file tr-1

    Mar 17, 2023 · Penalty $1,250

    Resolve
  • Class - 2

    Failure to comply with commissioner's order contained in summons/violation#39015718y issued on 1/14/2020,and to file a certificate of correction pursuant to 28-201.1 and 1rcny 102-01(d)(2).an acceptible certifi

    Jun 29, 2021 · Penalty $3,125

    Resolve
  • Class - 2

    No door in boiler room-combustion air from outside not supplied to boiler room-flue piping not supported-draft regulator defective

    Jan 14, 2020 · Penalty $625

    Resolve
  • Class - 2

    Failure to maintain bldg in a code compliant manner. defects noted: attime of inspection step cracks are observed through mortar joints and bricks at right side of exp 1, front of bldg. vertical cracks are also

    Aug 6, 2012 · Penalty $250

    Resolve
Show 5 more ↓
  • Class - 2

    Work does not conform to approved construction documents &/or approvedamendments not conforming work noted:altered bldg under appl#110952636apprx on 01/29/2010.having erected appr 12ftx7ft skylight @ center of

    Oct 20, 2010

    Resolve
  • Class - 2

    Failure to comply with the commissioner's order to file a certificate of correction with the dept of buildings for open ecb notice of violation #34843734x. remedy: comply with the commissioner's order file cert

    Aug 5, 2010 · Penalty $4,000

    Resolve
  • Class - 1

    Erected or install supported scaffold 40ft or higher w/o a permit. noted at exp 1 front facade erected at ground level an approx 56' supported scaffold for front facade repair & transport of materials to upper

    Mar 11, 2010 · Penalty $1,200

    Resolve
  • Class - 2

    Fail to post permit for work @ premises. noted: one man seen working at const site, where no permit was posted. remedy: post permit.

    Mar 9, 2010 · Penalty $4,000

    Resolve
  • Class - 1

    Work w/o a permit noted at stair case from 1st to 4th fl demolition of ceiling covering at the underside of each stair run has been removed nd new reinforcing lumber approx (nomuse) 2"x6" has been ancured to ea

    Dec 4, 2008 · Penalty $1,600

    Resolve

Complaints

  • Heat/hot water

    Entire building

    Oct 25, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 19, 2021 · Apt 3

    Close
  • Appliance

    Electric/gas range

    Oct 19, 2021 · Apt 3

    Close
  • Heat/hot water

    Entire building

    Sep 5, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Sep 5, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jun 30, 2021 · Apt GARDEN

    Close
  • Heat/hot water

    Entire building

    Jun 30, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jun 24, 2021 · Apt BLDG

    Close
  • Plumbing

    Water supply

    Jun 19, 2021 · Apt BLDG

    Close
  • General

    Signage missing

    Jun 19, 2021 · Apt BLDG

    Close
Show 40 more ↓
  • Safety

    Fire escape

    Jan 16, 2020 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 11, 2020 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 20, 2019 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jul 9, 2019 · Apt 3

    Close
  • Heat/hot water

    Entire building

    Sep 5, 2018 · Apt 1

    Close
  • Heat/hot water

    Entire building

    Sep 5, 2018 · Apt 1

    Close
  • Heat/hot water

    Apartment only

    Sep 1, 2018 · Apt GARDEN

    Close
  • Heat/hot water

    Entire building

    Jun 12, 2017 · Apt BM

    Close
  • Plumbing

    Water supply

    Jan 23, 2015 · Apt BLDG

    Close
  • Heating

    Heat related

    Jun 17, 2009 · Apt 4

    Close
  • Electric

    Electric-supply

    May 28, 2009 · Apt 4

    Close
  • Paint/plaster

    Wall

    May 19, 2009 · Apt 4

    Close
  • Paint/plaster

    Wall

    May 19, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    May 15, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    May 14, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    May 10, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    May 10, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Apr 22, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Apr 19, 2009 · Apt 4

    Close
  • Nonconst

    Rubbish

    Apr 8, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Apr 8, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Apr 8, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Apr 4, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Apr 4, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Apr 4, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Mar 31, 2009 · Apt 4

    Close
  • Plumbing

    Water supply

    Mar 31, 2009 · Apt 4

    Close
  • Heating

    Heat related

    Mar 20, 2009 · Apt 4

    Close
  • General

    Cooking gas

    Mar 20, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Mar 20, 2009 · Apt 4

    Close
  • Heating

    Heat related

    Mar 20, 2009 · Apt 4

    Close
  • General

    Cooking gas

    Mar 19, 2009 · Apt 4

    Close
  • Heating

    Heat related

    Mar 19, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Mar 10, 2009 · Apt 4

    Close
  • General

    Floor

    Mar 6, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Mar 5, 2009 · Apt 4

    Close
  • Heating

    Heat related

    Mar 5, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Mar 4, 2009 · Apt 4

    Close
  • Heating

    Heat related

    Mar 4, 2009 · Apt 4

    Close
  • Electric

    Bell-buzzer/intercom

    Feb 27, 2009 · Apt 4

    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 (C1)
Year built
1835
Floors
5
Residential units
7
Building area
5,247 ft²
Lot area
2,574 ft²
Zoning
R7B
Community board
104
Council district
3
Block / lot
717 / 62
Assessed value
$2,176,200
Landmark / historic district
Chelsea Historic District

HPD registration #132029, last renewed Aug 4, 2025.

Questions about 436 West 20 Street

Who owns 436 West 20 Street?

The owner of record in NYC Department of City Planning PLUTO data is Chelsea Square, LLC.

Does 436 West 20 Street have violations?

Yes. NYC HPD has recorded 49 housing violations at this property.

Is 436 West 20 Street 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 436 West 20 Street built?

City records list 1835 as the year it was built.

How many apartments are in 436 West 20 Street?

It has 7 residential units.

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