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NYC Building Records · BBL 1017200022

4 WEST 121 STREET

Manhattan · Block 1720 · Lot 22 · Walk-up, four families (Class C5)

4 WEST 121 STREET is a Class C5 (walk-up, four families) building in Manhattan (BBL 1017200022) built in 1890, with 7 residential units across 4 floors.

The building is in NYC community district 110, council district 9, zoning district R7-2, on a 2,018-square-foot lot with a building footprint of 5,002 square feet.

The current registered owner of record per NYC PLUTO is 4 WEST 121ST STREET LLC.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

4 WEST 121ST STREET LLC
HPD-registered head officer: Rene Simons

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerRene Simons
  • Corporate Owner4 WEST 121 STREET LLC
  • Managing AgentStone Properties and Management

Most recent deed

Last transferred on Feb 27, 2018 to 4 West 121st Street Llc.
Previous owner: Simons, Rene; Simons, Joyce
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2018 sale →

Recent ACRIS documents (last 4)

DateTypeAmountParties
Mar 12, 2026AGMTNot disclosedParties redacted — full names in MetroDeeds Scout+
Apr 19, 2018MTGE$522KParties redacted — full names in MetroDeeds Scout+
Apr 19, 2018AGMT$800KParties redacted — full names in MetroDeeds Scout+
Feb 27, 2018DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 4 redacted buyer/seller names above →

Building stats

Units
7
Year built
1890
Class
C5
Borough
Manhattan
Zoning:
R7-2
Lot size:
2,018 sqft
Building area:
5,002 sqft
Floors:
4
Assessed value:
$450K
Community district:
110
Council district:
9

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class IInspected Nov 17, 2025
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 15, 2023
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class AInspected Mar 16, 2023
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class IInspected Feb 16, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class AInspected Feb 16, 2022
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

4 documents in the last 5 years (most recent Mar 12, 2026).

Frequently asked questions about 4 WEST 121 STREET

Who owns 4 WEST 121 STREET?

The current registered owner of record for 4 WEST 121 STREET per NYC PLUTO is 4 WEST 121ST STREET LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 4 WEST 121 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 4 WEST 121 STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 4 WEST 121 STREET have?

No open HPD housing-maintenance code violations are on record for 4 WEST 121 STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 4 WEST 121 STREET?

NYC Department of Finance assesses 4 WEST 121 STREET at $450K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 4 WEST 121 STREET and what does that mean?

4 WEST 121 STREET is NYC building class C5 — Walk-up, four families. A 3-to-6-story walk-up apartment building with 4 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 4 WEST 121 STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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