NY Property Records
523 Ostrander Ave
523 Ostrander Ave
Riverhead · Suffolk County
$443,505Full market value210 · ResidentialSold $540,000 · Oct 2023
Owner of record
OwnerLoo, Hong
Mailing address523 Ostrander Ave · Riverhead, NY, 11901
Assessment · 2025 roll
Land assessed$6,000
Total assessed$36,190
Full market value$443,505
Est. annual tax$8,021 (2024, excl. special districts)
Building
StyleOld style
Year built1925
Living area1,701 sq ft
Bedrooms4
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.26 acres
Frontage × depth50 × 223 ft
Services & districts
WaterComm/public
SewerUnknown
UtilitiesGas & elec
School districtRiverhead (473002)
Recorded sales · 2
Deed$540,000Oct 25, 2023
seller DARIEN W RILEY
buyer HONG LOO
Liber 13230, page 841
Deed$340,000Jun 14, 2021
seller DONNA TRAINA
buyer DARIEN RILEY
Liber 13116, page 655
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13230 / 841
SBL12700000010060000000
Print key127.-1-6
SWIS473000
Parcel ID47300012700000010060000000
Who owns 523 Ostrander Ave?
523 Ostrander Ave, Riverhead is owned by Loo, Hong per the 2025 NYS assessment roll. It last sold for $540,000 in Oct 2023.
Nearby on Ostrander 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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