NY Property Records
66 Mt Sinai Ave
66 Mt Sinai Ave
Brookhaven · Suffolk County · 117660000
$760,417Full market value215 · Residential
Owner of record
OwnerPetrosini Joseph & Donna
Mailing address66 MT SINAI AVE · MOUNT SINAI, NY, 11766
Assessment · 2025 roll
Land assessed$350
Total assessed$3,650
Full market value$760,417
Est. annual tax$13,924 (2024, excl. special districts)
Lot
Size0.83 acres
Lot sq ft36,155
Services & districts
School districtMount Sinai (472207)
Recorded sales · 1
Deedno price statedJun 26, 2017
seller JOSEPH PETROSINI
buyer JOSEPH PETROSINI
Liber 12919, page 839
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12919 / 839
SBL02001640002000230004
Print key164.00-02-023.004
SWIS472289
Parcel ID47228902001640002000230004
Who owns 66 Mt Sinai Ave?
66 Mt Sinai Ave, Brookhaven is owned by Petrosini Joseph & Donna per the 2025 NYS assessment roll.
Nearby on Mt Sinai Ave
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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