Manhattan · Unit 623 · BBL 1000166110
21 South End Avenue, Unit 623
New York, NY 10280 · Manhattan
Also written as: 21 S End Ave Apt 623 · 21 South End Avenue #623 · 21 S End Ave Unit 623
Part of 21 South End Avenue Condominium
Owner of record: MARMARINOS, GUS
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $125,693
- Market value: $279,317
- Tax class: 2
Last recorded sale
$815,000 on 2026-09-23 (class R4)
Building
- Elevator apartment (D6)
- Built 1983
- 1712 residential / 1722 units
- 5 floors
- Zoning: BPC
- Lot area: 220,732 sf
- Building area: 1,881,621 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-end-avenue-623-1000166110
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