NYC DOF FY2027 Final Assessment Roll← Property Explorer

21 CASTLETON AVENUE

Staten Island, NY 10301 · BBL 5001080031

Owner of record
Private Owner
Owner type
Individual
Market value
$445,000
Assessed value
$26,700
Taxable value
$18,564
Exempt value
$0
Value band
<$500K
Value / unit
$222,500
Value / sqft
$685
Year built
1920

Classification

1
B3 — Two Family Converted from One Family
Property type
two-family
Lot
Block 00108, Lot 0031

Units & size

Residential units
2
Commercial units
0
Total units
2
Lot area
3,125 sqft
Building area
650 sqft

Nearby properties

Same zip code (10301), 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).