NY Property Records
21 Montclair Ave
21 Montclair Ave
Shelter Island · Suffolk County · 11964
$6,129,000Full market value210 · Residential
Owner of record
OwnerPolsky, Lisa K
AlsoSullivan, John M
Mailing address652 Hudson St Apt 5-S · New York, NY, 10014
Assessment · 2025 roll
Land assessed$2,022,000
Total assessed$6,129,000
Full market value$6,129,000
Est. annual tax$35,608 (2024, excl. special districts)
Building
StyleContemporary
Year built1986
Living area5,681 sq ft
Bedrooms5
Full baths3
HeatHot air
FuelOil
Lot
Size1.1 acres
Services & districts
WaterPrivate
SewerPrivate
UtilitiesElectric
School districtShelter Island (473201)
Deed & identifiers
SBL02200000020630000000
Print key22.-2-63
SWIS473289
Parcel ID47328902200000020630000000
Who owns 21 Montclair Ave?
21 Montclair Ave, Shelter Island is owned by Polsky, Lisa K per the 2025 NYS assessment roll.
Nearby on Montclair 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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