NY Property Records
121 Grassy Pond Dr S
121 Grassy Pond Dr S
Smithtown · Suffolk County · 11787
$682,500Full market value210 · ResidentialSold $512,500 · Apr 2017
Owner of record
OwnerSosa, William
AlsoDesiena-Sosa, Cassandra
Mailing address121 Grassy Pond Dr S · Smithtown, NY, 11787
Assessment · 2025 roll
Land assessed$300
Total assessed$5,460
Full market value$682,500
Est. annual tax$10,564 (2024, excl. special districts)
Building
StyleCape cod
Year built1977
Living area1,716 sq ft
Bedrooms4
Full baths2
HeatHot wtr/stm
FuelOil
Lot
Size0.5 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesGas & elec
School districtHauppauge (472806)
Recorded sales · 1
Deed$512,500Apr 20, 2017
seller ROY D. HAFNER
buyer WILLIAM SOSA
Liber 12912, page 290
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12912 / 290
SBL15200000030010020000
Print key152.-3-1.2
SWIS473489
Parcel ID47348915200000030010020000
Who owns 121 Grassy Pond Dr S?
121 Grassy Pond Dr S, Smithtown is owned by Sosa, William per the 2025 NYS assessment roll. It last sold for $512,500 in Apr 2017.
Nearby on Grassy Pond Dr S
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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