NY Property Records
21 Frost Valley Rd
21 Frost Valley Rd
Brookhaven · Suffolk County · 117660000
$1,110,417Full market value210 · Residential
Owner of record
OwnerMandelbaum Martin &Phyllis
Mailing address21 FROST VALLEY RD · MT SINAI, NY, 11766
Assessment · 2025 roll
Land assessed$450
Total assessed$5,330
Full market value$1,110,417
Est. annual tax$18,300 (2024, excl. special districts)
Lot
Size0.69 acres
Lot sq ft30,056
Services & districts
School districtMount Sinai (472207)
Deed & identifiers
SBL02000930006000230000
Print key093.00-06-023.000
SWIS472289
Parcel ID47228902000930006000230000
Who owns 21 Frost Valley Rd?
21 Frost Valley Rd, Brookhaven is owned by Mandelbaum Martin &Phyllis per the 2025 NYS assessment roll.
Nearby on Frost Valley Rd
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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