NY Property Records
99 Hillside Ave
99 Hillside Ave
Smithtown · Suffolk County · 11780
$536,250Full market value210 · Residential
Owner of record
OwnerGuidi, Mark/Jacklin M
Mailing address99 Hillside Ave · St James, NY, 11780
Assessment · 2025 roll
Land assessed$290
Total assessed$4,290
Full market value$536,250
Est. annual tax$10,182 (2024, excl. special districts)
Building
StyleColonial
Year built1994
Living area1,809 sq ft
Bedrooms2
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.3 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesElectric
School districtSmithtown (473401)
Recorded sales · 2
Deedno price statedOct 25, 2018
seller CARMELA GUIDI
buyer MARK GUIDI
Liber 12990, page 980
Deedno price statedMay 26, 2017
seller MARINO GUIDI
buyer CARMELA GUIDI
Liber 12919, page 282
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12990 / 980
SBL11400000030100020000
Print key114.-3-10.2
SWIS473489
Parcel ID47348911400000030100020000
Who owns 99 Hillside Ave?
99 Hillside Ave, Smithtown is owned by Guidi, Mark/Jacklin M per the 2025 NYS assessment roll.
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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