NY Property Records
21 Collins Ave
21 Collins Ave
Smithtown · Suffolk County · 11754
$360,625Full market value210 · ResidentialSold $339,500 · Oct 2016
Owner of record
OwnerMantione, John/Kathleen
Mailing address21 Collins Ave · Kings Park, NY, 11754
Assessment · 2025 roll
Land assessed$240
Total assessed$2,885
Full market value$360,625
Est. annual tax$6,484 (2024, excl. special districts)
Building
StyleRanch
Year built1955
Living area736 sq ft
Bedrooms3
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.25 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesElectric
School districtKings Park (473405)
Recorded sales · 1
Deed$339,500Oct 28, 2016
seller JOSEPH MULRYAN
buyer JOHN MANTIONE
Liber 12888, page 341
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12888 / 341
SBL01400000010430000000
Print key14.-1-43
SWIS473489
Parcel ID47348901400000010430000000
Who owns 21 Collins Ave?
21 Collins Ave, Smithtown is owned by Mantione, John/Kathleen per the 2025 NYS assessment roll. It last sold for $339,500 in Oct 2016.
Nearby on Collins 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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