NY Property Records
40 William St
40 William St
Smithtown · Suffolk County · 11787
$684,250Full market value210 · Residential
Owner of record
OwnerO'Keefe, Janet
AlsoO'Keefe, Nicholas P
Mailing address40 William St · Smithtown, NY, 11787
Assessment · 2025 roll
Land assessed$150
Total assessed$5,474
Full market value$684,250
Est. annual tax$12,992 (2024, excl. special districts)
Building
StyleColonial
Year built1947
Living area1,956 sq ft
Bedrooms3
Full baths2
HeatHot wtr/stm
FuelOil
Lot
Size0.23 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesGas & elec
School districtSmithtown (473401)
Deed & identifiers
Deed book / page12850 / 800
SBL13400000020240000000
Print key134.-2-24
SWIS473489
Parcel ID47348913400000020240000000
Who owns 40 William St?
40 William St, Smithtown is owned by O'Keefe, Janet per the 2025 NYS assessment roll.
Nearby on William St
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
Search by name or address · Browse all records