20 WEST 123 STREET
20 WEST 123 STREET is a Class A5 (one-family attached) building in Manhattan (BBL 1017210027) built in 1882, with 1 residential unit across 3 floors.
The building is in NYC community district 110, council district 9, zoning district R7-2, on a 1,640-square-foot lot with a building footprint of 3,200 square feet.
The current registered owner of record per NYC PLUTO is CAO, CATHY XIAOQING.
The most recent ACRIS deed transfer for this BBL was recorded on July 28, 2022 when ZANE, PAUL conveyed the property to CAO, CATHY XIAOQING for $2.26M. The transaction was recorded as cash (no paired mortgage instrument).
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 OfficerMenachem Seidenfeld
- Corporate Owner19 West 123rd owner LLC
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R7-2
- Lot size:
- 1,640 sqft
- Building area:
- 3,200 sqft
- Floors:
- 3
- Assessed value:
- $122K
- Community district:
- 110
- Council district:
- 9
HPD violations
Recent HPD violation details
- Class IInspected Nov 24, 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…
Recent ACRIS activity
Frequently asked questions about 20 WEST 123 STREET
Who owns 20 WEST 123 STREET?
The current registered owner of record for 20 WEST 123 STREET per NYC PLUTO is CAO, CATHY XIAOQING. The most recent ACRIS deed transfer for this BBL was recorded on July 28, 2022 when the property was conveyed to CAO, CATHY XIAOQING. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 20 WEST 123 STREET last sold?
The most recent ACRIS deed transfer for 20 WEST 123 STREET was recorded on July 28, 2022, when ZANE, PAUL conveyed the property to CAO, CATHY XIAOQING for $2.26M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 20 WEST 123 STREET have?
No open HPD housing-maintenance code violations are on record for 20 WEST 123 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 20 WEST 123 STREET?
NYC Department of Finance assesses 20 WEST 123 STREET at $122K 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 20 WEST 123 STREET and what does that mean?
20 WEST 123 STREET is NYC building class A5 — One-family attached. A single-family attached or semi-detached dwelling. 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.