NY Property Records
12 Gladstone Ave
12 Gladstone Ave
Islip · Suffolk County
210 · ResidentialSold $885,000 · Feb 2024
Owner of record
OwnerChristina Ann Marks
Mailing address12 GLADSTONE AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$10,500
Total assessed$57,900
Est. annual tax$15,615 (2024, excl. special districts)
Lot
Size0.32 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$885,000Feb 2, 2024
seller JOHN RICHE JR
buyer CHRISTINA MARKS
Liber 13238, page 802
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13238 / 802
SBL05004680005000350000
Print key468.-5-35
SWIS472889
Parcel ID47288905004680005000350000
Who owns 12 Gladstone Ave?
12 Gladstone Ave, Islip is owned by Christina Ann Marks per the 2025 NYS assessment roll. It last sold for $885,000 in Feb 2024.
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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