NY Property Records
21 South Ave
21 South Ave
Smithtown · Suffolk County · 11787
$577,500Full market value210 · Residential
Owner of record
OwnerCaldarera, William/Olga
Mailing address21 South Ave · Smithtown, NY, 11787
Assessment · 2025 roll
Land assessed$200
Total assessed$4,620
Full market value$577,500
Est. annual tax$10,965 (2024, excl. special districts)
Building
StyleRanch
Year built1957
Living area1,184 sq ft
Bedrooms3
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.7 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesElectric
School districtSmithtown (473401)
Deed & identifiers
Deed book / page12862 / 552
SBL10600000030570000000
Print key106.-3-57
SWIS473489
Parcel ID47348910600000030570000000
Who owns 21 South Ave?
21 South Ave, Smithtown is owned by Caldarera, William/Olga per the 2025 NYS assessment roll.
Nearby on South Ave
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
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