NYC DOF FY2027 Final Assessment Roll← Property Explorer

21 CLAREMONT AVENUE

Manhattan, NY 10027 · BBL 1019900010

Owner of record
TRUSTEES OF COLUMBIA UNIVERSITY
Owner type
Nonprofit/Institution
Market value
$5,341,000
Assessed value
$2,403,450
Taxable value
$2,299,950
Exempt value
$2,331,347
Value band
$5M–10M
Value / unit
$113,638
Value / sqft
$91
Year built
1910

Classification

2
D3 — Elevator Apartment - Semi-Fireproof, with Stores
Property type
elevator apt
Lot
Block 01990, Lot 0010

Units & size

Residential units
47
Commercial units
0
Total units
47
Lot area
8,400 sqft
Building area
58,750 sqft

Nearby properties

Same zip code (10027), closest by market value.

DOF is an assessment figure, not an appraisal or a sale price. Owner-of-record names for individual people are never shown publicly on this site — only business, institutional, and government owners are displayed (see the methodology page).