Manhattan · Unit 21E · BBL 1000251520
15 William Street, Unit 21E
New York, NY 10005 · Manhattan
Also written as: 15 William St Apt 21E · 15 William Street #21E · 15 William St Unit 21E
Part of 15 William Street Condominium
Owner of record: WOHLFAHRT, MATHIAS
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $248,298
- Market value: $551,773
- Tax class: 2
Last recorded sale
$1,578,000 on 2026-05-07 (class R4)
Building
- Condominium (RM)
- Built 2005
- 320 residential / 322 units
- 44 floors
- Zoning: C5-5
- Lot area: 23,649 sf
- Building area: 374,614 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/15-william-street-21e-1000251520
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