NY Property Records
21 Hillside Ave
21 Hillside Ave
Smithtown · Suffolk County · 11780
$646,250Full market value210 · ResidentialSold $710,000 · Apr 2024
Owner of record
OwnerOlsen, Keith T
AlsoHarte, Alanna D
Mailing address21 Hillside Ave · St James, NY, 11780
Assessment · 2025 roll
Land assessed$500
Total assessed$5,170
Full market value$646,250
Est. annual tax$12,271 (2024, excl. special districts)
Lot
Size0.57 acres
Services & districts
School districtSmithtown (473401)
Recorded sales · 1
Deed$710,000Apr 18, 2024
seller NEAL C LENNSTROM
buyer KEITH T OLSEN
Liber 13249, page 441
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13249 / 441
SBL08700000030040000000
Print key87.-3-4
SWIS473489
Parcel ID47348908700000030040000000
Who owns 21 Hillside Ave?
21 Hillside Ave, Smithtown is owned by Olsen, Keith T per the 2025 NYS assessment roll. It last sold for $710,000 in Apr 2024.
Nearby on Hillside 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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