What is the property tax for 518 Sylvan Ave?

The estimated annual property tax for 518 Sylvan Ave is $21,335 (2024, excluding special districts), computed from taxable values and published rates.

NY Property Records

518 Sylvan Ave
Islip · Suffolk County

Q: Who owns 518 Sylvan Ave?

518 Sylvan Ave is owned by Deborah J Keegan per the 2025 NYS assessment roll.

210 · Residential

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Owner of record

OwnerDeborah J Keegan

Mailing address518 SYLVAN AVE · BAYPORT, NY, 11705

Assessment · 2025 roll

Land assessed$12,000

Total assessed$64,200

Est. annual tax$21,335 (2024, excl. special districts)

Lot

Size0.73 acres

Services & districts

School districtBayport-Blue Point (472805)

Deed & identifiers

SBL05003090005000140002

Print key309.-5-14.2

SWIS472889

Parcel ID47288905003090005000140002

Who owns 518 Sylvan Ave?

518 Sylvan Ave, Islip is owned by Deborah J Keegan per the 2025 NYS assessment roll.

Nearby on Sylvan Ave

519 Sylvan Ave · 517 Sylvan Ave · 513 Sylvan Ave · 528 Sylvan Ave · 508 Sylvan Ave · 529 Sylvan Ave · 503 Sylvan Ave · 502 Sylvan Ave · 500 Sylvan Ave · 538 Sylvan Ave

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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