21 Thompson Rd, Shelter Island, NY 11964 - Assessment Profile

Updated on November 23, 2025.

See below the recent assessment details for the residential property at 21 Thompson Rd, Shelter Island, NY 11964.

You can also see similar information for other residential properties in Shelter Island.

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Data Source: Official Government Sources.

Property Information

Print Key Code

24.-1-18

Property Class

One Family Year-Round Residence

SWIS Code

473289

Tax Class

Roll Section

Grid Coordinates East

2464258

Grid Coordinates North

305989

School District

Shelter Island

Roll Year

2024

Market Value

$4,113,529

Assessment Land Value

$2,274,700

Assessment Total Value

$2,797,200

County Taxable Value

$2,797,200

Town Taxable Value

$2,797,200

School Taxable Value

$2,797,200