9 WEST 54 STREET
9 WEST 54 STREET is a Class O2 (office, 4-6 stories) building in Manhattan (BBL 1012700027) built in 1898, with 1 residential unit across 5 floors.
The building is in NYC community district 105, council district 4, zoning district C5-P, on a 5,020-square-foot lot with a building footprint of 24,449 square feet.
The current registered owner of record per NYC PLUTO is WILLIAM R. BERKLEY FOUNDATION.
The most recent ACRIS deed transfer for this BBL was recorded on June 10, 2025 when 9-11 WEST 54TH LLC conveyed the property to WILLIAM R. BERKLEY FOUNDATION for $38.21M. The transaction was recorded as cash (no paired mortgage instrument).
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
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- C5-P
- Lot size:
- 5,020 sqft
- Building area:
- 24,449 sqft
- Floors:
- 5
- Assessed value:
- $3.2M
- Community district:
- 105
- Council district:
- 4
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 9 WEST 54 STREET
Who owns 9 WEST 54 STREET?
The current registered owner of record for 9 WEST 54 STREET per NYC PLUTO is WILLIAM R. BERKLEY FOUNDATION. The most recent ACRIS deed transfer for this BBL was recorded on June 10, 2025 when the property was conveyed to WILLIAM R. BERKLEY FOUNDATION. 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 9 WEST 54 STREET last sold?
The most recent ACRIS deed transfer for 9 WEST 54 STREET was recorded on June 10, 2025, when 9-11 WEST 54TH LLC conveyed the property to WILLIAM R. BERKLEY FOUNDATION for $38.21M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 9 WEST 54 STREET have?
No open HPD housing-maintenance code violations are on record for 9 WEST 54 STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 9 WEST 54 STREET?
NYC Department of Finance assesses 9 WEST 54 STREET at $3.17M 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 9 WEST 54 STREET and what does that mean?
9 WEST 54 STREET is NYC building class O2 — Office, 4-6 stories. A 4-6 story office building. 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.