NY Property Records
12 Northfield Ln
12 Northfield Ln
Islip · Suffolk County
210 · Residential
Owner of record
OwnerDennis & E Costigan Fam Trust
Mailing address12 NORTHFIELD LN · BAY SHORE, NY, 11706
Assessment · 2025 roll
Land assessed$11,400
Total assessed$52,850
Est. annual tax$15,890 (2024, excl. special districts)
Lot
Size0.45 acres
Services & districts
School districtBay Shore (472801)
Recorded sales · 1
Deedno price statedAug 13, 2024
seller DENNIS J. COSTIGAN
buyer AND ELIANE COSTIGAN THE DENNIS J. COSTIGAN
Liber 13288, page 261
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13288 / 261
SBL05004390001000370000
Print key439.-1-37
SWIS472889
Parcel ID47288905004390001000370000
Who owns 12 Northfield Ln?
12 Northfield Ln, Islip is owned by Dennis & E Costigan Fam Trust per the 2025 NYS assessment roll.
Nearby on Northfield Ln
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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