Manhattan · BBL 1000290043
9 South William Street
New York, NY 10004 · Manhattan
Also written as: 9 S William St · 9 South William Street
Owner of record: SOUTH WILLIAM ST ASSOC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $3,591,000
- Market value: $7,980,000
- Tax class: 4
Building
- Hotel (HB)
- Built 1896
- 0 residential / 2 units
- 7 floors
- Zoning: C5-5
- Lot area: 3,234 sf
- Building area: 24,238 sf
- Historic district: Stone Street Historic District
Official records
ZoLa zoning · DOF property tax · Property Portal · ACRIS deeds/mortgages · DOB profile · Tax map · Map
All data sourced from NYC Department of Finance / PLUTO / ACRIS / HPD public records. https://www.sageops.ai/property/manhattan/9-south-william-street-1000290043
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