NY Property Records
100 Doncaster Ave
100 Doncaster Ave
Islip · Suffolk County
210 · ResidentialSold $735,000 · Sep 2025
Owner of record
OwnerJohn & Cathleen Cronin
Mailing address100 DONCASTER AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$8,700
Total assessed$44,850
Est. annual tax$12,095 (2024, excl. special districts)
Lot
Size0.27 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$735,000Sep 8, 2025
seller JOHN K CRONIN
buyer MATTHEW LYONS
Liber 13318, page 502
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
SBL05003360002000560000
Print key336.-2-56
SWIS472889
Parcel ID47288905003360002000560000
Who owns 100 Doncaster Ave?
100 Doncaster Ave, Islip is owned by John & Cathleen Cronin per the 2025 NYS assessment roll. It last sold for $735,000 in Sep 2025.
Nearby on Doncaster 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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