Manhattan · Unit 21G · BBL 1013411524
100 United Nations Plaza, Unit 21G
New York, NY 10017 · Manhattan
Also written as: 100 United Nations Plz Apt 21G · 100 United Nations Plaza #21G · 100 United Nations Plz Unit 21G
Part of 100 1st Avenue Condominium
Owner of record: JUDITH E. WEBER REVOCABLE TRUST
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $184,677
- Market value: $410,392
- Tax class: 2
Building
- Condominium (R4)
- Built 1984
- 236 residential / 238 units
- 49 floors
- Zoning: C1-9 / C5-2
- Lot area: 25,179 sf
- Building area: 357,793 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/100-united-nations-plaza-21g-1013411524
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