NY Property Records
1231 Jefferson Ave
1231 Jefferson Ave
Islip · Suffolk County
210 · ResidentialSold $570,000 · Jul 2024
Owner of record
OwnerMark A Tessar Ii &
Mailing address1231 JEFFERSON AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$10,200
Total assessed$37,000
Est. annual tax$9,978 (2024, excl. special districts)
Lot
Size0.23 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$570,000Jul 2, 2024
seller FAMILY TR THE LORRAINE E
buyer MARK A TESSAR II
Liber 13260, page 480
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13260 / 480
SBL05003620003000630000
Print key362.-3-63
SWIS472889
Parcel ID47288905003620003000630000
Who owns 1231 Jefferson Ave?
1231 Jefferson Ave, Islip is owned by Mark A Tessar Ii & per the 2025 NYS assessment roll. It last sold for $570,000 in Jul 2024.
Nearby on Jefferson 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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