NY Property Records
380 1st Ave
380 1st Ave
Islip · Suffolk County
210 · ResidentialSold $440,000 · Jun 2021
Owner of record
OwnerMichael A Byrne Iii &
Mailing address380 1ST AVE · BAYPORT, NY, 11705
Assessment · 2025 roll
Land assessed$9,500
Total assessed$40,100
Est. annual tax$13,326 (2024, excl. special districts)
Lot
Size0.18 acres
Services & districts
School districtBayport-Blue Point (472805)
Recorded sales · 2
Deed$440,000Jun 22, 2021
seller AMANDA SAGENDORF
buyer MICHAEL A. BYRNE, III
Liber 13113, page 491
Deed$320,000May 5, 2017
seller MARGARET STRESSLER 2012 RICHARD STRESSLER AND
buyer AMANDA S. SAGENDORF
Liber 12914, page 663
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13113 / 491
SBL05003330003000260000
Print key333.-3-26
SWIS472889
Parcel ID47288905003330003000260000
Who owns 380 1st Ave?
380 1st Ave, Islip is owned by Michael A Byrne Iii & per the 2025 NYS assessment roll. It last sold for $440,000 in Jun 2021.
Nearby on 1st 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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