NY Property Records
21 Greis Ave
21 Greis Ave
Smithtown · Suffolk County · 11767
$646,875Full market value210 · Residential
Owner of record
OwnerBonacorsa, Mary Beth
Mailing address21 Greis Ave · Nesconset, NY, 11767
Assessment · 2025 roll
Land assessed$250
Total assessed$5,175
Full market value$646,875
Est. annual tax$10,649 (2024, excl. special districts)
Building
StyleRanch
Year built1997
Living area1,290 sq ft
Bedrooms3
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.23 acres
Services & districts
WaterComm/public
SewerPrivate
UtilitiesElectric
School districtSachem (472205)
Recorded sales · 1
Deedno price statedApr 25, 2018
seller MARYBETH BONACORSA
buyer MARYBETH BONACORSA
Liber 12962, page 319
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12962 / 319
SBL16900000020330000000
Print key169.-2-33
SWIS473489
Parcel ID47348916900000020330000000
Who owns 21 Greis Ave?
21 Greis Ave, Smithtown is owned by Bonacorsa, Mary Beth per the 2025 NYS assessment roll.
Nearby on Greis 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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