342 West 121 Street

Manhattan, NY 10027BBL 1-01947-0054Map

342 West 121 Street is a walk-up apartment building built in 1909 in Manhattan, 10027. It has 10 residential units across 3 floors. The owner of record is Ernest E Williams. HPD has recorded 14 housing violations here, most recently on April 29, 2026. 7 of the 14 most recent violations are still open.

HPD violations: 14
DOB violations: 11
ECB violations: 2
HPD complaints: 3

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 · 14

ANon-hazardous
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
Open — Nov sent out
IInformation / order
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, 2025
Closed — Violation dismissed
ANon-hazardous
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
Open — Nov sent out
ANon-hazardous
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
Open — Nov sent out
IInformation / order
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
ANon-hazardous
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 16, 2023
Open — Nov sent out
IInformation / order
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 2, 2022
Closed — Violation dismissed
IInformation / order
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 16, 2022
Closed — Violation dismissed
ANon-hazardous
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.
Feb 16, 2022
Open — Nov sent out
IInformation / order
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

Show 4 more ↓

ANon-hazardous
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
Open — Nov sent out
IInformation / order
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
IInformation / order
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
BHazardous
M/d law abate the nuisance consisting of bathroom door not openable at 2 sty community bathroom.
Oct 20, 1988
Open — Nov sent out

DOB building violations · 11

Low pressure boiler boiler required
Violation issued-failure to file 2024 external low pressure inspection
Nov 14, 2025
Dob violation - active
Low pressure boiler boiler required
Violation issued-failure to file 2023 external low pressure inspection
Sep 23, 2024
Dob violation - active
Low pressure boiler boiler required
Violation issued-failure to file 2020 external low pressure inspection
Jun 30, 2023
Dob violation - active
Low pressure boiler boiler required
Violation issued-failure to file 2021 external low pressure inspection
Jun 30, 2023
Dob violation - active
Low pressure boiler boiler required
Violation issued-failure to file 2018 external low pressure inspection
Jun 20, 2023
Dob violation - active
Low pressure boiler boiler required
Violation issued-failure to file 2019 external low pressure inspection
Jun 20, 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
Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2012 inspection report
May 15, 2014
Dob violation - active
Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed
Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed

Show 1 more ↓

Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Mar 18, 1993
Dob violation - dismissed

ECB violations · 2

Class - 3
At time of inspection observed a tree at rear yard with branches rotten / broken branches and hanging over into the rear yard of 495 & 497 manhattan avenue rear yards., repair and or replace; prune tree & remov
Oct 15, 2024 · Penalty $500
Active
Class - 2
Failure to file required annual boiler inspection reports for low-pressure boiler 919120 in accordance with rules of dept.1rcny 103-01(d)(1) requires that an annual inspection report for low-pressure boilers be
Jun 7, 2024 · Penalty $3,125
Active

Complaints

Heat/hot water
Entire building
Feb 24, 2022 · Apt PVH
Close
Plumbing
Water supply
May 11, 2021 · Apt 2APT
Close
Heat/hot water
Entire building
Feb 25, 2021 · Apt GROUND
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 (C5)
Year built: 1909
Floors: 3
Residential units: 10
Building area: 2,877 ft²
Lot area: 1,615 ft²
Zoning: R7B
Community board: 110
Council district: 9
Block / lot: 1947 / 54
Assessed value: $409,950
Landmark / historic district: No

HPD registration #107249, last renewed Nov 19, 2024.

Questions about 342 West 121 Street

Who owns 342 West 121 Street?

The owner of record in NYC Department of City Planning PLUTO data is Ernest E Williams.

Does 342 West 121 Street have violations?

Yes. NYC HPD has recorded 14 housing violations at this property.

Is 342 West 121 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 342 West 121 Street built?

City records list 1909 as the year it was built.

How many apartments are in 342 West 121 Street?

It has 10 residential units.

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