NY Property Records

427 Grundy Ave
Islip · Suffolk County

210 · Residential
Owner of record
OwnerPaul J & Aileen D Heymach
Mailing address427 GRUNDY AVE · HOLBROOK, NY, 11741
Assessment · 2025 roll
Land assessed$11,300
Total assessed$36,600
Est. annual tax$8,697 (2024, excl. special districts)
Lot
Size0.25 acres
Services & districts
School districtSachem (472205)
Deed & identifiers
SBL05002160003000110000
Print key216.-3-11
SWIS472889
Parcel ID47288905002160003000110000

Who owns 427 Grundy Ave?

427 Grundy Ave, Islip is owned by Paul J & Aileen D Heymach 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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