NY Property Records
143 Shady Ln
143 Shady Ln
Smithtown · Suffolk County · 11787
$473,125Full market value210 · Residential
Owner of record
OwnerKnudsen (Irrev Trst), George T Iii
AlsoSieczkowski Knudsen, Leeann S
Mailing address143 Shady Ln · Smithtown, NY, 11787
Assessment · 2025 roll
Land assessed$220
Total assessed$3,785
Full market value$473,125
Est. annual tax$3,661 (2024, excl. special districts)
Building
StyleOld style
Year built1947
Living area796 sq ft
Bedrooms2
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.5 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesElectric
School districtHauppauge (472806)
Recorded sales · 2
Deedno price statedOct 17, 2025
seller 2023 IRREV TR GEORGE T KNUDSEN III
buyer LEEANN S SIECZKOWSKI
Liber 13315, page 339
Deedno price statedMar 24, 2023
seller GEORGE T KUNDSEN III
buyer GEORGE T KNUDSEN III IRRE
Liber 13199, page 887
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13199 / 887
SBL12700000030200000000
Print key127.-3-20
SWIS473489
Parcel ID47348912700000030200000000
Who owns 143 Shady Ln?
143 Shady Ln, Smithtown is owned by Knudsen (Irrev Trst), George T Iii per the 2025 NYS assessment roll.
Nearby on Shady Ln
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