Manhattan · Unit 31L · BBL 1009451137
685 First Avenue, Unit 31L
New York, NY 10016 · Manhattan
Also written as: 685 First Ave Apt 31L · 685 First Avenue #31L · 685 First Ave Unit 31L
Part of 685 First Avenue Condominium
Owner of record: GU, ANDERSEN JIACHANG
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $172,434
- Market value: $383,187
- Tax class: 2
Last recorded sale
$1,790,000 on 2025-11-26 (class R4)
Building
- Condominium (RM)
- Built 1967, altered 1969
- 586 residential / 588 units
- 32 floors
- Zoning: C1-9
- Lot area: 47,696 sf
- Building area: 632,703 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/685-first-avenue-31l-1009451137
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