× Home › Property records › Suffolk County › Riverhead › Newton Ave › 233 Newton Ave233 Newton AveRiverhead · Suffolk County $536,765 Full market value 210 · Residential OpenValue $686,330 ▾
Owner of record
Owner Rosko, Stephen J
Also Rosko, Mary Ellen
Mailing address 233 Newton Ave · Riverhead, NY, 11901
Assessment · 2025 roll
Land assessed $6,700
Total assessed $43,800
Full market value $536,765
Est. annual tax $9,708 (2024, excl. special districts)
Building
Style Old style
Year built 1947
Living area 1,773 sq ft
Bedrooms 3
Full baths 1
Heat Hot wtr/stm
Fuel Oil
Lot
Size 0.26 acres
Frontage × depth 60 × 186 ft
Services & districts
Water Comm/public
Sewer Unknown
Utilities Gas & elec
School district Riverhead (473002)
Deed & identifiers
Deed book / page 12443 / 698
SBL 12700000020390000000
Print key 127.-2-39
SWIS 473000
Parcel ID 47300012700000020390000000
Who owns 233 Newton Ave? 233 Newton Ave, Riverhead is owned by Rosko, Stephen J per the 2025 NYS assessment roll.
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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.
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