NY Property Records

670 Johnson Ave
Islip · Suffolk County

210 · Residential
Owner of record
OwnerJohn S Keffas & John Keffas &
Mailing address670 JOHNSON AVE · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed$12,400
Total assessed$34,600
Est. annual tax$9,193 (2024, excl. special districts)
Lot
Size0.38 acres
Services & districts
School districtConnetquot (472807)
Deed & identifiers
SBL05000610003000530000
Print key61.-3-53
SWIS472889
Parcel ID47288905000610003000530000

Who owns 670 Johnson Ave?

670 Johnson Ave, Islip is owned by John S Keffas & John Keffas & per the 2025 NYS assessment roll.
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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