NY Property Records
833 Southside Ave
833 Southside Ave
Islip · Suffolk County
210 · ResidentialSold $420,000 · Oct 2019
Owner of record
OwnerHeidi & Charles Mauchan
Mailing address833 SOUTHSIDE AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$8,800
Total assessed$42,500
Est. annual tax$11,462 (2024, excl. special districts)
Lot
Size0.34 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$420,000Oct 18, 2019
seller MICHAEL J FRANKEVICZ
buyer MATTHEW HAGGERTY
Liber 13039, page 839
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13039 / 839
SBL05003630001000060000
Print key363.-1-6
SWIS472889
Parcel ID47288905003630001000060000
Who owns 833 Southside Ave?
833 Southside Ave, Islip is owned by Heidi & Charles Mauchan per the 2025 NYS assessment roll. It last sold for $420,000 in Oct 2019.
Nearby on Southside 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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