Manhattan · Unit 5E · BBL 1000291221
21 South William Street, Unit 5E
New York, NY 10004 · Manhattan
Also written as: 21 S William St Apt 5E · 21 South William Street #5E · 21 S William St Unit 5E
Part of 21 South William Street Condominium
Owner of record: KISH, ROBERT
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $77,421
- Market value: $172,046
- Tax class: 2
Building
- Office (O4)
- Built 1928, altered 2004
- 0 residential / 96 units
- 34 floors
- Zoning: C5-5
- Lot area: 26,068 sf
- Building area: 661,283 sf
- Flood zone: 1
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/21-south-william-street-5e-1000291221
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