Manhattan · BBL 1008440017
31 Union Square
New York, NY 10003 · Manhattan
Also written as: 31 Union Sq · 31 Union Square
Owner of record: DAVID ELLIS REAL ESTATE, L.P.
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $17,672,850
- Market value: $39,273,000
- Tax class: 2
Building
- Elevator apartment (D6)
- Built 1902
- 82 residential / 85 units
- 16 floors
- Zoning: C6-2A / C6-4
- Lot area: 7,175 sf
- Building area: 138,800 sf
- Landmark: INDIVIDUAL LANDMARK
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/31-union-square-1008440017
Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact