Manhattan · BBL 1008510001
171 5th Avenue
New York, NY 10010 · Manhattan
Also written as: 171 5th Ave · 171 5th Avenue
Owner of record: FLATIRON OWNER LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $23,384,700
- Market value: $51,966,000
- Tax class: 4
Building
- Office (O4)
- Built 1903, altered 1990
- 0 residential / 23 units
- 21 floors
- Zoning: C6-4M
- Lot area: 8,650 sf
- Building area: 183,449 sf
- Historic district: Ladies' Mile Historic District
- 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/171-5-avenue-1008510001
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