NY Property Records

90 Bourne Blv
Islip · Suffolk County

710 · Industrial
Owner of record
OwnerKoster Property LLC
Mailing address90 BOURNE BLVD · SAYVILLE, NY, 11782
Assessment · 2025 roll
Land assessed$373,500
Total assessed$582,400
Est. annual tax$154,732 (2024, excl. special districts)
Lot
Size14.7 acres
Services & districts
School districtConnetquot (472807)
Deed & identifiers
SBL05003040002000100000
Print key304.-2-10
SWIS472889
Parcel ID47288905003040002000100000

Who owns 90 Bourne Blv?

90 Bourne Blv, Islip is owned by Koster Property LLC 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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