NY Property Records
23 Sunnyside Ave
23 Sunnyside Ave
Shelter Island · Suffolk County · 11964
$3,503,000Full market value210 · Residential
Owner of record
OwnerEstreich, Curran B
AlsoEstreich, Jonathan M
Mailing address7 Penn Plz Ste 1400 · New York, NY, 10001
Assessment · 2025 roll
Land assessed$882,000
Total assessed$3,503,000
Full market value$3,503,000
Est. annual tax$19,368 (2024, excl. special districts)
Building
StyleColonial
Year built1900
Living area4,538 sq ft
Bedrooms6
Full baths5
HeatHot air
FuelOil
Lot
Size2.9 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesElectric
School districtShelter Island (473201)
Recorded sales · 1
Deed$1Jun 4, 2018
seller LINDA LEON
buyer THOMAS LEON
Liber 12968, page 447
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12968 / 447
SBL00600000020180020000
Print key6.-2-18.2
SWIS473289
Parcel ID47328900600000020180020000
Who owns 23 Sunnyside Ave?
23 Sunnyside Ave, Shelter Island is owned by Estreich, Curran B per the 2025 NYS assessment roll.
Nearby on Sunnyside 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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