NY Property Records
390 Knickerbocker Ave
390 Knickerbocker Ave
Islip · Suffolk County
485 · Commercial
Owner of record
OwnerRussell Square Associates
Mailing address1555 SUNRISE HWY STE 8 · BAY SHORE, NY, 11706
Assessment · 2025 roll
Land assessed$65,650
Total assessed$257,000
Est. annual tax$70,937 (2024, excl. special districts)
Lot
Size2.23 acres
Services & districts
School districtConnetquot (472807)
Deed & identifiers
SBL05001740002000090000
Print key174.-2-9
SWIS472889
Parcel ID47288905001740002000090000
Who owns 390 Knickerbocker Ave?
390 Knickerbocker Ave, Islip is owned by Russell Square Associates per the 2025 NYS assessment roll.
Nearby on Knickerbocker 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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