NY Property Records
236 N Ontario St
236 N Ontario St
Islip · Suffolk County
210 · ResidentialSold $610,000 · Jul 2025
Owner of record
OwnerMary Ellen Ridulfo &
Mailing address236 N ONTARIO ST · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed$11,000
Total assessed$36,800
Est. annual tax$9,777 (2024, excl. special districts)
Lot
Size0.23 acres
Services & districts
School districtConnetquot (472807)
Recorded sales · 2
Deed$610,000Jul 23, 2025
seller MARY ELLEN RIDULFO
buyer BRIANNA FAMIGHETTI
Liber 13315, page 419
Deed$388,500Sep 13, 2018
seller CARLO CASTAGNA
buyer MARYELLEN RIDULFO
Liber 12995, page 138
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12995 / 138
SBL05000200003000850000
Print key20.-3-85
SWIS472889
Parcel ID47288905000200003000850000
Who owns 236 N Ontario St?
236 N Ontario St, Islip is owned by Mary Ellen Ridulfo & per the 2025 NYS assessment roll. It last sold for $610,000 in Jul 2025.
Nearby on N 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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