NY Property Records

850 Grundy Ave
Islip · Suffolk County

210 · Residential
Owner of record
OwnerDeryldene S Wieczoreck
Mailing address850 GRUNDY AVE · HOLBROOK, NY, 11741
Assessment · 2025 roll
Land assessed$13,600
Total assessed$43,700
Est. annual tax$10,385 (2024, excl. special districts)
Lot
Size0.32 acres
Services & districts
School districtSachem (472205)
Deed & identifiers
SBL05001750001000850001
Print key175.-1-85.1
SWIS472889
Parcel ID47288905001750001000850001

Who owns 850 Grundy Ave?

850 Grundy Ave, Islip is owned by Deryldene S Wieczoreck 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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