NY Property Records
320 Joan St
320 Joan St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerWilliam Mackin & Erin Mackin
Mailing address320 JOAN ST · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed$10,700
Total assessed$44,000
Est. annual tax$11,690 (2024, excl. special districts)
Lot
Size0.36 acres
Services & districts
School districtConnetquot (472807)
Deed & identifiers
Deed book / page12639 / 540
SBL05001020002000340000
Print key102.-2-34
SWIS472889
Parcel ID47288905001020002000340000
Who owns 320 Joan St?
320 Joan St, Islip is owned by William Mackin & Erin Mackin per the 2025 NYS assessment roll.
Nearby on Joan St
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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