NY Property Records
645 Sylvan Ave
645 Sylvan Ave
Islip · Suffolk County
210 · ResidentialSold $585,000 · Jan 2021
Owner of record
OwnerThomas W Spencer &
Mailing address645 SYLVAN AVE · BAYPORT, NY, 11705
Assessment · 2025 roll
Land assessed$17,600
Total assessed$52,000
Est. annual tax$17,281 (2024, excl. special districts)
Lot
Size0.45 acres
Services & districts
School districtBayport-Blue Point (472805)
Recorded sales · 2
Deed$585,000Jan 12, 2021
seller JOHN, J. BRADLEY
buyer THOMAS W. SPENCER
Liber 13097, page 848
Deedno price statedSep 3, 2020
seller JOHN J. BRADLEY
buyer JOHN J. BRADLEY
Liber 13075, page 865
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13097 / 848
SBL05003100001000030000
Print key310.-1-3
SWIS472889
Parcel ID47288905003100001000030000
Who owns 645 Sylvan Ave?
645 Sylvan Ave, Islip is owned by Thomas W Spencer & per the 2025 NYS assessment roll. It last sold for $585,000 in Jan 2021.
Nearby on 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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