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231 West 121 Street

Manhattan, NY 10027BBL 1-01927-0015Map

Owner of record: 133 Equities LLC

231 West 121 Street is a walk-up apartment building built in 1910 in Manhattan, 10027. It has 21 residential units across 5 floors. The owner of record is 133 Equities LLC. HPD has recorded 512 housing violations here, most recently on June 26, 2026. 1 of the 50 most recent violations are still open. City tax records listed 21 rent-stabilized apartments here in 2024.

HPD violations
512
DOB violations
14
ECB violations
4
HPD complaints
66

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
Last violation Jun 26, 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

Rent-stabilized units in 2024
21
About 100% of the building's 21 apartments
Up from 20 in 2022

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 · 512

  • A

    Properly repair with similar material the broken or defective silicone caulking around bathtub in the bathroom located at apt 5d, 5th story, 1st apartment from east at south

    Jun 26, 2026 · Apt 5D

    Open — Nov sent out
  • B

    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 2a, 2nd story, 1st apartment from east at south

    Sep 23, 2025 · Apt 2A

    Closed — Violation dismissed
  • B

    Properly repair or replace the broken or defective light fixture at ceiling in the kitchen located at apt 2a, 2nd story, 1st apartment from east at south

    Sep 23, 2025 · Apt 2A

    Closed — Violation dismissed
  • A

    Properly repair or replace the broken or defective bell buzzer intercom system from the building entrance door to east wall in the private hallway located at apt 1b, 1st story, 1st apartment from south at west

    Sep 17, 2025 · Apt 1B

    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
  • B

    Replace with new the missing sprinkler head vinyl cap in the kitchen located at apt 5d, 5th story, 1st apartment from east at south

    Nov 3, 2023 · Apt 5D

    Closed — Violation dismissed
  • C

    Provide ready access to buildings heating system door locked at boiler room

    Nov 3, 2023

    Closed — Violation dismissed
  • C

    Provide hot water at all hot water fixtures in the entire apartment located at apt 5d, 5th story, 1st apartment from east at south

    Nov 3, 2023 · Apt 5D

    Closed — Violation closed
  • C

    Replace or repair the self-closing doors that is missing or defective :entrance door to dumbwaiter chute at compactor closet, 1st story

    Dec 5, 2022

    Closed — Violation dismissed
  • C

    Replace or repair the self-closing doors that is missing or defective : entrance door to dumbwaiter chute at compactor closet, 5th story

    Dec 5, 2022

    Closed — Violation dismissed
Show 40 more ↓
  • 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.

    Apr 2, 2021

    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 2, 2021

    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 25, 2019

    Closed — Violation dismissed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2d, 2nd story, 1st apartment from east at south

    Jan 20, 2019 · Apt 2D

    Closed — Violation dismissed
  • C

    Provide an adequate supply of heat for the apartment in the entire apartment located at apt 2b, 2nd story, 1st apartment from south at west

    Jan 20, 2019 · Apt 2B

    Closed — Violation closed
  • 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 10, 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 10, 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.

    Nov 9, 2017

    Closed — Violation dismissed
  • B

    Seal in open position the o.s.y. valve of the sprinkler system in accordance with the rules and regulations of this department at the cellar

    Apr 17, 2017

    Closed — Violation dismissed
  • B

    Provide a piece of garden hose 10 feet in length with female coupling and a 10 quart pail on premises to test sprinkler system.

    Apr 17, 2017

    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 27, 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 27, 2016

    Closed — Violation closed
  • 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
  • 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 closed
  • 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.

    Feb 3, 2015

    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.

    Feb 3, 2015

    Closed — Violation closed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color west walls located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • B

    Properly repair the broken or defective lock and assembly at bldg. entrance door at front areaway

    Mar 8, 2010

    Closed — Violation closed
  • B

    Abate the nuisance consisting of mice in the entire apartment located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • A

    Paint with light colored paint to the satisfaction of this department walls and ceilings in the entire apartment located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • B

    Properly repair the broken or defective intercom system in the entrance located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • B

    Properly repair the broken or defective counter banlance at lower sash window in the 1st room from north located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • B

    Properly repair the broken or defective window lower sash counter balance in the 3rd room from north located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • A

    Replace with new the missing floor vinyl tiles in the 3rd room from north located at apt 5, 3rd story, 1st apartment from north at east

    Mar 8, 2010 · Apt 5

    Closed — Violation closed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color south wall in the bathroom located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • A

    Properly repair with similar material the broken or defective wood floor in the kitchen in the kitchen located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • A

    Properly repair with similar material the broken or defective ceramic tiles south wall in the bathroom located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • C

    Repair the leaky and/or defective faucets hot water at sink in the kitchen located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • A

    Repair the broken or defective plastered surfaces and paint in a uniform color south and west wall in the kitchen located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • C

    Properly repair the broken or defective south 1 fire escape loose window lower sash in the 6th room from north located at apt 6, 3rd story, 1st apartment from south at west

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • C

    Properly secure the loose radiator in the private hallway located at apt 6, 3rd story

    Jun 23, 2009 · Apt 6

    Closed — Violation closed
  • C

    Provide ready access to buildings heating system locked door at boiler room

    Apr 23, 2008

    Closed — Violation closed
  • A

    File with this department a registration statement for building.

    May 2, 2001

    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 200 watts minimum.

    May 12, 1999

    Closed — Violation closed
  • A

    Paint metal in accordance with dept. regulation skylight frame at south bulkhead on roof.

    Aug 25, 1998

    Closed — Violation closed
  • A

    Cleanse to the satisfaction of this department the public hall all stories including bulkhead.

    Aug 25, 1998

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective brown stone ledge below 2 sty window south at east.

    Aug 25, 1998

    Closed — Violation closed
  • A

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

    Aug 25, 1998

    Closed — Violation closed
  • B

    Properly repair with similar material the broken or defective brownstone front stoop rails 1 sty entrance at side walk.

    Aug 25, 1998

    Closed — Violation closed
  • B

    And dept. rules and regulations. remove the encumbrance obstructing egress from fire escapes plants 5 sty balcony front fire escape.

    Aug 25, 1998

    Closed — Violation closed

DOB building violations · 14

  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2022 external low pressure inspection

    Apr 25, 2023

    Dob violation - active
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 26, 2019

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Nov 14, 2017

    Dob violation - resolved
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - dismissed
  • Elevator annual inspection / test elevatorrequired

    Violation issued to elevator-failure to file category 1 2015 inspection/test

    Dec 1, 2016

    Dob violation - dismissed
  • Residential elevator periodic inspection/test elevatorrequired

    Failure to perform category 5 inspection

    Jun 1, 2016

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2014 inspection report

    Oct 1, 2015

    Dob violation - dismissed
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2013 inspection report

    Mar 3, 2015

    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
Show 4 more ↓
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2011 inspection report

    Mar 1, 2013

    Dob violation - dismissed
  • Boilers boiler required

    Ll6291-local law 62/91 - boilers boiler required

    Jan 6, 2006

    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

    Aug 29, 1995

    Dob violation - dismissed

ECB violations · 4

  • Class - 2

    Found exhaust fan vibrating on roof, causing noise inside apt 5d. failed to maintain as per mc 102.3; mc, comply with notice of violation; replace and/or replace; correct all violating conditions and submit a c

    Sep 15, 2026 · Penalty $1,250

    Active
  • Class - 2

    B254 backflow preventer leaking correct all violating conditions and submit a certificate of correction

    Mar 4, 2020 · Penalty $655

    Resolve
  • Class - 2

    As per class 2 (b265) 28-303.7 failure to file a complete boiler inspection report as per dob records. submit a current b09 report.

    Jan 11, 2017

    Resolve
  • Non-hazardous

    50a/50b/50c 50a hole in ceiling 50b holes in floor 50c holes in wall

    Jun 20, 2005

    Resolve

Complaints

  • Unsanitary condition

    Pests

    Jun 24, 2026 · Apt 5D

    Close
  • Paint/plaster

    Ceiling

    Jun 24, 2026 · Apt 5D

    Close
  • Paint/plaster

    Wall

    Jun 24, 2026 · Apt 5D

    Close
  • Heat/hot water

    Entire building

    Mar 12, 2026 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 3, 2026 · Apt BLDG

    Close
  • Electric

    Lighting

    Oct 8, 2025 · Apt 2A

    Close
  • Safety

    Smoke detector

    Oct 8, 2025 · Apt 2A

    Close
  • Safety

    Smoke detector

    Sep 8, 2025 · Apt 2A

    Close
  • Electric

    Lighting

    Sep 8, 2025 · Apt 2A

    Close
  • Unsanitary condition

    Mold

    Sep 8, 2025 · Apt 2A

    Close
Show 40 more ↓
  • General

    Bell/buzzer/intercom

    Aug 25, 2025 · Apt 1B

    Close
  • Heat/hot water

    Entire building

    Jun 30, 2025 · Apt 4D

    Close
  • Heat/hot water

    Entire building

    Jan 20, 2025 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 17, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 16, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 15, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 12, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 4, 2024 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 2, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 3, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 16, 2023 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 11, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 10, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Dec 1, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 24, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 20, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 20, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Oct 18, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 23, 2022 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 3, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 3, 2021 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Feb 19, 2021 · Apt 1A

    Close
  • Heat/hot water

    Entire building

    Dec 6, 2020 · Apt 1B

    Close
  • Heat/hot water

    Entire building

    Oct 30, 2020 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Apr 3, 2020 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 23, 2020 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Nov 16, 2019 · Apt BLDG

    Close
  • Unsanitary condition

    Pests

    Nov 4, 2019 · Apt ALL

    Close
  • Unsanitary condition

    Pests

    Nov 4, 2019 · Apt ALL

    Close
  • Unsanitary condition

    Pests

    Oct 27, 2019 · Apt ENTIRE

    Close
  • Unsanitary condition

    Pests

    Oct 27, 2019 · Apt ENTIRE

    Close
  • Heat/hot water

    Entire building

    Jan 22, 2019 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Jan 18, 2019 · Apt 2B

    Close
  • Heat/hot water

    Entire building

    Mar 14, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 13, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Apartment only

    Mar 11, 2017 · Apt 1C

    Close
  • Heat/hot water

    Entire building

    Mar 7, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 5, 2017 · Apt BLDG

    Close
  • Heat/hot water

    Entire building

    Mar 4, 2017 · Apt 4A

    Close
  • Heat/hot water

    Entire building

    Feb 17, 2017 · Apt 1C

    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 (C4)
Year built
1910
Floors
5
Residential units
21
Building area
20,060 ft²
Lot area
5,046 ft²
Zoning
R7A
Community board
110
Council district
9
Block / lot
1927 / 15
Assessed value
$1,784,700
Landmark / historic district
No

HPD registration #105151, last renewed Oct 7, 2025.

Questions about 231 West 121 Street

Who owns 231 West 121 Street?

The owner of record in NYC Department of City Planning PLUTO data is 133 Equities LLC.

Does 231 West 121 Street have violations?

Yes. NYC HPD has recorded 512 housing violations at this property.

Is 231 West 121 Street rent stabilized?

NYC Department of Finance tax bills listed 21 rent-stabilized units here in 2024 (about 100% of its 21 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.

When was 231 West 121 Street built?

City records list 1910 as the year it was built.

How many apartments are in 231 West 121 Street?

It has 21 residential units.

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