× Home › Property records › Suffolk County › Brookhaven › Chestnut St › 81 Chestnut St81 Chestnut StBrookhaven · Suffolk County · 117660000 $927,083 Full market value 210 · Residential
Owner of record
Owner Deblasio John & Deblasio Kim
Mailing address 81 CHESTNUT ST · MOUNT SINAI, NY, 117660000
Assessment · 2025 roll
Land assessed $360
Total assessed $4,450
Full market value $927,083
Est. annual tax $16,976 (2024, excl. special districts)
Lot
Size 1.0 acres
Lot sq ft 43,560
Services & districts
School district Mount Sinai (472207)
Deed & identifiers
Deed book / page 12417 / 767
SBL 02001640002000090000
Print key 164.00-02-009.000
SWIS 472289
Parcel ID 47228902001640002000090000
Who owns 81 Chestnut St? 81 Chestnut St, Brookhaven is owned by Deblasio John & Deblasio Kim 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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