× Home › Property records › Suffolk County › Brookhaven › Hartwell Dr › 4 Hartwell Dr4 Hartwell DrBrookhaven · Suffolk County · 117660000 $645,833 Full market value 210 · Residential
Owner of record
Owner Cosimo Martin J & Montgomery Tara
Mailing address 4 HARTWELL DR · MOUNT SINAI, NY, 117660000
Assessment · 2025 roll
Land assessed $300
Total assessed $3,100
Full market value $645,833
Est. annual tax $11,826 (2024, excl. special districts)
Lot
Size 0.34 acres
Lot sq ft 14,810
Services & districts
School district Mount Sinai (472207)
Deed & identifiers
Deed book / page 12846 / 579
SBL 02001640001000050000
Print key 164.00-01-005.000
SWIS 472289
Parcel ID 47228902001640001000050000
Who owns 4 Hartwell Dr? 4 Hartwell Dr, Brookhaven is owned by Cosimo Martin J & Montgomery Tara 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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