NY Property Records
1605 Washington Ave Ext
1605 Washington Ave Ext
Southold · Suffolk County · 11944
$1,005,455Full market value210 · ResidentialSold $1,295,000 · Dec 2025
Owner of record
OwnerWashington Ave Project LLC
Mailing address70 W Main St · East Islip, NY, 11730
Assessment · 2025 roll
Land assessed$800
Total assessed$5,530
Full market value$1,005,455
Est. annual tax$7,213 (2024, excl. special districts)
Lot
Size0.51 acres
Services & districts
WaterUnknown
SewerUnknown
UtilitiesUnknown
School districtGreenport (473810)
Recorded sales · 2
Deed$1,295,000Dec 5, 2025
seller PROJECT LLC WASHINGTON AVENUE
buyer JUSTIN BYRNE
Liber 13325, page 614
Deed$460,000Mar 15, 2024
seller OF CATHERINE ANN NAPIER,ETAL ESTATE
buyer LLC WASHINGTON AVENUE PROJECT
Liber 13256, page 773
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13256 / 773
SBL04000000050010270000
Print key40.-5-1.27
SWIS473889
Parcel ID47388904000000050010270000
Who owns 1605 Washington Ave Ext?
1605 Washington Ave Ext, Southold is owned by Washington Ave Project LLC per the 2025 NYS assessment roll. It last sold for $1,295,000 in Dec 2025.
Nearby on Washington 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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