NY Property Records

33 Osborne Ave
Brookhaven · Suffolk County · 117660000

$801,042Full market value215 · Residential
Owner of record
OwnerAmmann Mark & Ammann Robyn
Mailing address33 OSBORNE AVE · MOUNT SINAI, NY, 11766
Assessment · 2025 roll
Land assessed$300
Total assessed$3,845
Full market value$801,042
Est. annual tax$14,668 (2024, excl. special districts)
Lot
Size0.38 acres
Lot sq ft16,553
Services & districts
School districtMount Sinai (472207)
Deed & identifiers
Deed book / page12596 / 87
SBL02002580005000190000
Print key258.00-05-019.000
SWIS472289
Parcel ID47228902002580005000190000

Who owns 33 Osborne Ave?

33 Osborne Ave, Brookhaven is owned by Ammann Mark & Ammann Robyn per the 2025 NYS assessment roll.
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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