What is the property tax for 498 Sylvan Ave?

The estimated annual property tax for 498 Sylvan Ave is $17,945 (2024, excluding special districts), computed from taxable values and published rates.

NY Property Records

498 Sylvan Ave
Islip · Suffolk County

Q: Who owns 498 Sylvan Ave?

498 Sylvan Ave is owned by Gregory & Karen Ostermann per the 2025 NYS assessment roll.

210 · Residential

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Owner of record

OwnerGregory & Karen Ostermann

Mailing address498 SYLVAN AVE · BAYPORT, NY, 11705

Assessment · 2025 roll

Land assessed$19,800

Total assessed$54,000

Est. annual tax$17,945 (2024, excl. special districts)

Lot

Size0.64 acres

Services & districts

School districtBayport-Blue Point (472805)

Deed & identifiers

SBL05003090005000150013

Print key309.-5-15.13

SWIS472889

Parcel ID47288905003090005000150013

Who owns 498 Sylvan Ave?

498 Sylvan Ave, Islip is owned by Gregory & Karen Ostermann per the 2025 NYS assessment roll.

Nearby on Sylvan Ave

497 Sylvan Ave · 500 Sylvan Ave · 494 Sylvan Ave · 502 Sylvan Ave · 503 Sylvan Ave · 491 Sylvan Ave · 508 Sylvan Ave · 485 Sylvan Ave · 513 Sylvan Ave · 482 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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