NY Property Records
639 East Ave Ext
639 East Ave Ext
Riverhead · Suffolk County
$719,363Full market value280 · ResidentialSold $579,000 · Apr 2022
Owner of record
OwnerCognoscente Holdings LLC
Mailing address235 Latham Ln · Orient, NY, 11957
Assessment · 2025 roll
Land assessed$7,800
Total assessed$58,700
Full market value$719,363
Est. annual tax$13,010 (2024, excl. special districts)
Building
StyleOld style
Year built1925
Living area1,600 sq ft
Bedrooms3
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.25 acres
Services & districts
WaterComm/public
SewerUnknown
UtilitiesGas & elec
School districtRiverhead (473002)
Recorded sales · 1
Deed$579,000Apr 25, 2022
seller BROADRIVER LLC
buyer COGNOSCENTE HOLDINGS, LLC
Liber 13172, page 946
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13172 / 946
SBL12600000040120000000
Print key126.-4-12
SWIS473000
Parcel ID47300012600000040120000000
Who owns 639 East Ave Ext?
639 East Ave Ext, Riverhead is owned by Cognoscente Holdings LLC per the 2025 NYS assessment roll. It last sold for $579,000 in Apr 2022.
Nearby on East Ave Ext
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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