Manhattan · Unit MARK · BBL 1007101304
509 West 38th Street, Unit MARK
New York, NY 10018 · Manhattan
Also written as: 509 W 38th St Apt MARK · 509 West 38th Street #MARK · 509 W 38th St Unit MARK
Part of 509 West 38th Street Condominium
Owner of record: 515 W 38 HH, LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $25,780,930
- Market value: $57,290,955
- Tax class: 2
Last recorded sale
$129,000,000 on 2026-02-27 (class RR)
Building
- Elevator apartment (D7)
- Built 2020, altered 2018
- 590 residential / 591 units
- 52 floors
- Zoning: C6-4
- Lot area: 15,140 sf
- Building area: 445,590 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/509-west-38-street-mark-1007101304
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