× Home › Property records › Suffolk County › Southampton › Riverside Ave › 123 Riverside Ave123 Riverside AveSouthampton · Suffolk County 210 · Residential OpenValue $544,170 ▾
Owner of record
Owner Ralph Van Slyke
Mailing address 123 RIVERSIDE AVE · FLANDERS, NY 11901, NY
Assessment · 2025 roll
Land assessed $97,600
Total assessed $267,500
Est. annual tax $3,953 (2024, excl. special districts)
Building
Style Unknown
Year built 1999
Living area 1,200 sq ft
Bedrooms 3
Full baths 2
Heat Hot wtr/stm
Fuel Oil
Services & districts
Water None
Sewer None
Utilities Gas & elec
School district Riverhead (473002)
Deed & identifiers
SBL 14300000020390020000
Print key 143.000-0002-039.002
SWIS 473689
Parcel ID 47368914300000020390020000
Who owns 123 Riverside Ave? 123 Riverside Ave, Southampton is owned by Ralph Van Slyke 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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