NYC DOF FY2027 Final Assessment Roll← Property Explorer

551 WEST 21 STREET

Manhattan, NY 10011 · BBL 1006931110

Owner of record
ATACH3 CHELSEA, LLC
Owner type
LLC
Market value
$806,994
Assessed value
$363,148
Taxable value
$358,868
Exempt value
$0
Value band
$500K–1M
Value / unit
$806,994
Value / sqft
$426
Year built
2013

Classification

2
R4 — Condominium - Residential Unit (Base Lot / Standard)
Property type
condo
Lot
Block 00693, Lot 1110

Units & size

Residential units
1
Commercial units
0
Total units
1
Lot area
17,388 sqft
Building area
1,895 sqft

Nearby properties

Same zip code (10011), 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).