Manhattan · BBL 1022430008
603 Isham Street
New York, NY 10034 · Manhattan
Also written as: 603 Isham St · 603 Isham Street
Owner of record: ALEF REALTY MANAGEMENT CO., LLC
Snapshot updated 2026-09-30 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $1,902,150
- Market value: $4,227,000
- Tax class: 2
Building
- Walk-up apartment (C7)
- Built 1930, altered 1988
- 41 residential / 42 units
- 5 floors
- Zoning: R7A
- Lot area: 9,890 sf
- Building area: 33,570 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/603-isham-street-1022430008
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