Manhattan · BBL 1012890024
521 Madison Avenue
New York, NY 10022 · Manhattan
Also written as: 521 Madison Ave · 521 Madison Avenue
Owner of record: NICKEV LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $2,712,600
- Market value: $6,028,000
- Tax class: 4
Building
- Office (O6)
- Built 1930, altered 1990
- 0 residential / 8 units
- 8 floors
- Zoning: C5-3
- Lot area: 1,700 sf
- Building area: 13,300 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/521-madison-avenue-1012890024
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