NY Property Records
21 Washington Ave
21 Washington Ave
Islip · Suffolk County
210 · ResidentialSold $315,000 · Mar 2017
Owner of record
OwnerKeith Howard & Theresa Alfieri
Mailing address21 WASHINGTON AVE · EAST ISLIP, NY, 11730
Assessment · 2025 roll
Land assessed$7,000
Total assessed$32,400
Est. annual tax$8,427 (2024, excl. special districts)
Lot
Size0.17 acres
Services & districts
School districtEast Islip (472803)
Recorded sales · 1
Deed$315,000Mar 31, 2017
seller RALPH J KELLER JR
buyer KEITH HOWARD
Liber 12908, page 512
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12908 / 512
SBL05003210001000760000
Print key321.-1-76
SWIS472889
Parcel ID47288905003210001000760000
Who owns 21 Washington Ave?
21 Washington Ave, Islip is owned by Keith Howard & Theresa Alfieri per the 2025 NYS assessment roll. It last sold for $315,000 in Mar 2017.
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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