NY Property Records
139 Washington Ave
139 Washington Ave
Riverhead · Suffolk County
$589,461Full market value280 · Residential
Owner of record
OwnerHattorff, Matthew E
AlsoKomosinski, Mary E
Mailing addressPO Box 134 · Jamesport, NY, 11947
Assessment · 2025 roll
Land assessed$9,200
Total assessed$48,100
Full market value$589,461
Est. annual tax$9,581 (2024, excl. special districts)
Building
StyleOld style
Year built1923
Living area2,376 sq ft
Bedrooms4
Full baths1
HeatHot wtr/stm
FuelOil
Lot
Size0.5 acres
Frontage × depth100 × 276 ft
Services & districts
WaterPrivate
SewerUnknown
UtilitiesElectric
School districtRiverhead (473002)
Recorded sales · 1
Deed$1Apr 1, 2019
seller MARY, E. KOMOSINSKI
buyer MATTHEW, E. HATTORFF
Liber 13007, page 199
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13007 / 199
SBL09000000020190000000
Print key90.-2-19
SWIS473000
Parcel ID47300009000000020190000000
Who owns 139 Washington Ave?
139 Washington Ave, Riverhead is owned by Hattorff, Matthew E per the 2025 NYS assessment roll.
Nearby on Washington 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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