× Home › Property records › Suffolk County › Brookhaven › Mt Sinai Ave › 140 Mt Sinai Ave140 Mt Sinai AveBrookhaven · Suffolk County · 117660000 $729,167 Full market value 210 · Residential
Owner of record
Owner Mangan James J & Marie E
Mailing address 140 MT SINAI AVE · MOUNT SINAI, NY, 11766
Assessment · 2025 roll
Land assessed $600
Total assessed $3,500
Full market value $729,167
Est. annual tax $13,352 (2024, excl. special districts)
Lot
Size 1.48 acres
Lot sq ft 64,469
Services & districts
School district Mount Sinai (472207)
Deed & identifiers
Deed book / page 12650 / 168
SBL 02001850002000120000
Print key 185.00-02-012.000
SWIS 472289
Parcel ID 47228902001850002000120000
Who owns 140 Mt Sinai Ave? 140 Mt Sinai Ave, Brookhaven is owned by Mangan James J & Marie E per the 2025 NYS assessment roll.
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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.
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