NY Property Records
18 Gladstone Ave
18 Gladstone Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerRichard & Joanne Maher
Mailing address18 GLADSTONE AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$9,100
Total assessed$49,500
Est. annual tax$13,350 (2024, excl. special districts)
Lot
Size0.26 acres
Services & districts
School districtWest Islip (472809)
Deed & identifiers
SBL05004680005000330000
Print key468.-5-33
SWIS472889
Parcel ID47288905004680005000330000
Who owns 18 Gladstone Ave?
18 Gladstone Ave, Islip is owned by Richard & Joanne Maher per the 2025 NYS assessment roll.
Nearby on Gladstone 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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