Manhattan · Unit 18B · BBL 1009031352

234 East 23rd Street, Unit 18B

New York, NY 10010 · Manhattan

Also written as: 234 E 23rd St Apt 18B · 234 East 23rd Street #18B · 234 E 23rd St Unit 18B

Part of 234 East 23rd Street Condominium

Owner of record: SETH J MERSKY, AS TRUSTEE OF THE GRATEFU L ART PROP

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

Assessment (FY2027)

  • Assessed value: $243,009
  • Market value: $540,019
  • Tax class: 2

Last recorded sale

$2,750,000 on 2025-07-28 (class R4)

Building

  • Condominium (RX)
  • Built 1931
  • 339 residential / 366 units
  • 17 floors
  • Zoning: R8A / C1-9A
  • Lot area: 36,740 sf
  • Building area: 338,689 sf

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/234-east-23-street-18b-1009031352

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