NY Property Records

414 Lillian Blv
Islip · Suffolk County

210 · Residential
Owner of record
OwnerWm & Theresa Onderdonk
Mailing address414 LILLIAN BLVD · HOLBROOK, NY, 11741
Assessment · 2025 roll
Land assessed$11,300
Total assessed$40,900
Est. annual tax$9,719 (2024, excl. special districts)
Lot
Size0.26 acres
Services & districts
School districtSachem (472205)
Deed & identifiers
SBL05001290002001260000
Print key129.-2-126
SWIS472889
Parcel ID47288905001290002001260000

Who owns 414 Lillian Blv?

414 Lillian Blv, Islip is owned by Wm & Theresa Onderdonk per the 2025 NYS assessment roll.
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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