NY Property Records
315 Ontario St
315 Ontario St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerDavid Arndts & Diane Demarinis
Mailing address315 ONTARIO ST · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed$16,300
Total assessed$45,500
Est. annual tax$12,088 (2024, excl. special districts)
Lot
Size0.45 acres
Services & districts
School districtConnetquot (472807)
Recorded sales · 1
Deedno price statedJan 25, 2021
seller DIANE ARNDTS
buyer DIANE J DEMARINIS
Liber 13095, page 544
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13095 / 544
SBL05000310004000790000
Print key31.-4-79
SWIS472889
Parcel ID47288905000310004000790000
Who owns 315 Ontario St?
315 Ontario St, Islip is owned by David Arndts & Diane Demarinis per the 2025 NYS assessment roll.
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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