NY Property Records
243 Ontario St
243 Ontario St
Islip · Suffolk County
210 · ResidentialSold $500,000 · Aug 2018
Owner of record
OwnerJoseph & Danielle D'Agostino
Mailing address243 ONTARIO ST · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed$10,000
Total assessed$48,500
Est. annual tax$12,886 (2024, excl. special districts)
Lot
Size0.22 acres
Services & districts
School districtConnetquot (472807)
Recorded sales · 1
Deed$500,000Aug 10, 2018
seller JOSEPH DEBELLO
buyer JOSEPH DAGOSTINO
Liber 12977, page 952
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12977 / 952
SBL05000310002000310003
Print key31.-2-31.3
SWIS472889
Parcel ID47288905000310002000310003
Who owns 243 Ontario St?
243 Ontario St, Islip is owned by Joseph & Danielle D'Agostino per the 2025 NYS assessment roll. It last sold for $500,000 in Aug 2018.
Nearby on Ontario St
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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