231 WEST 121 STREET
231 WEST 121 STREET is a Class C4 (walk-up, three families) building in Manhattan (BBL 1019270015) built in 1910, with 21 residential units across 5 floors.
The building is in NYC community district 110, council district 9, zoning district R7A, on a 5,046-square-foot lot with a building footprint of 20,060 square feet.
The current registered owner of record per NYC PLUTO is 133 EQUITIES 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
HPD registered contacts
- Head OfficerKEN HARON
- Corporate Owner133 EQUITIES LLC
- Managing AgentK&R REALTY MANAGEMENT INC.
- Site ManagerDONAVAN MUNDLE
Most recent deed
Activity timeline
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R7A
- Lot size:
- 5,046 sqft
- Building area:
- 20,060 sqft
- Floors:
- 5
- Assessed value:
- $1.7M
- Community district:
- 110
- Council district:
- 9
HPD violations
Recent HPD violation details
- Class BInspected Sep 23, 2025§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LIGHT FIXTURE AT CEILING IN THE KITCHEN LOCATED AT APT 2A, 2nd STORY, 1st…
- Class BInspected Sep 23, 2025§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
- Class AInspected Sep 17, 2025§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BELL BUZZER INTERCOM SYSTEM FROM THE BUILDING ENTRANCE DOOR TO EAST WALL I…
- Class AInspected Apr 1, 2024(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 CInspected Nov 3, 2023§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM
Recent ACRIS activity
Frequently asked questions about 231 WEST 121 STREET
Who owns 231 WEST 121 STREET?
The current registered owner of record for 231 WEST 121 STREET per NYC PLUTO is 133 EQUITIES LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 231 WEST 121 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 231 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 231 WEST 121 STREET have?
No open HPD housing-maintenance code violations are on record for 231 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 231 WEST 121 STREET?
NYC Department of Finance assesses 231 WEST 121 STREET at $1.65M 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 231 WEST 121 STREET and what does that mean?
231 WEST 121 STREET is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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.