× Home › Property records › Suffolk County › Smithtown › Sioux Dr › 20 Sioux Dr20 Sioux DrSmithtown · Suffolk County · 11725 $666,250 Full market value 210 · Residential OpenValue $982,018 ▾
Owner of record
Owner Kosic, Oscar/Robin
Mailing address 20 Sioux Dr · Commack, NY, 11725
Assessment · 2025 roll
Land assessed $350
Total assessed $5,330
Full market value $666,250
Est. annual tax $13,071 (2024, excl. special districts)
Building
Style Colonial
Year built 1967
Living area 2,424 sq ft
Bedrooms 4
Full baths 2
Heat Hot wtr/stm
Fuel Gas
Services & districts
Water Comm/public
Sewer Private
Utilities Gas & elec
School district Commack (472610)
Deed & identifiers
SBL 14700000040450000000
Print key 147.-4-45
SWIS 473489
Parcel ID 47348914700000040450000000
Who owns 20 Sioux Dr? 20 Sioux Dr, Smithtown is owned by Kosic, Oscar/Robin per the 2025 NYS assessment roll.
Copy link to this record
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it.
Disclaimer ·
Request redaction