What is the property tax for 90 Union Ave?

The estimated annual property tax for 90 Union Ave is $14,727 (2024, excluding special districts), computed from taxable values and published rates.

NY Property Records

90 Union Ave
Islip · Suffolk County

Q: Who owns 90 Union Ave?

90 Union Ave is owned by William Marquardt per the 2025 NYS assessment roll.

210 · Residential

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Owner of record

OwnerWilliam Marquardt

Mailing address90 UNION AVE · ISLIP, NY, 11751

Assessment · 2025 roll

Land assessed$10,400

Total assessed$48,000

Est. annual tax$14,727 (2024, excl. special districts)

Lot

Size0.25 acres

Services & districts

School districtIslip (472802)

Deed & identifiers

SBL05003960004000690000

Print key396.-4-69

SWIS472889

Parcel ID47288905003960004000690000

Who owns 90 Union Ave?

90 Union Ave, Islip is owned by William Marquardt per the 2025 NYS assessment roll.

Nearby on Union Ave

91 Union Ave · 87 Union Ave · 86 Union Ave · 96 Union Ave · 83 Union Ave · 97 Union Ave · 75 Union Ave · 105 Union Ave · 108 Union Ave · 111 Union 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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