Manhattan · Unit 18 C · BBL 1010471168
340 West 57th Street, Unit 18 C
New York, NY 10019 · Manhattan
Also written as: 340 W 57th St Apt 18 C · 340 West 57th Street #18 C · 340 W 57th St Unit 18 C
Part of 340 West 57th Street Condominium
Owner of record: 18C 340 W 57TH ST LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $429,692
- Market value: $954,872
- Tax class: 2
Building
- Condominium (RM)
- Built 1978, altered 2007
- 583 residential / 683 units
- 50 floors
- Zoning: C6-4
- Lot area: 52,868 sf
- Building area: 813,798 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/340-west-57-street-18-c-1010471168
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