Manhattan · Unit 20B · BBL 1000251509

15 William Street, Unit 20B

New York, NY 10005 · Manhattan

Also written as: 15 William St Apt 20B · 15 William Street #20B · 15 William St Unit 20B

Part of 15 William Street Condominium

Owner of record: DAWN CITY GLOBAL II LLC

Snapshot updated 2026-09-02 — open the app to refresh for live data.

Assessment (FY2027)

  • Assessed value: $151,066
  • Market value: $335,703
  • Tax class: 2

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-20b-1000251509

Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact