NY Property Records
1135 Washington Ave
1135 Washington Ave
Islip · Suffolk County
210 · ResidentialSold $370,000 · Jun 2018
Owner of record
OwnerSteven & Nikolle Dempsey
Mailing address1135 WASHINGTON AVE · WEST ISLIP, NY, 11795
Assessment · 2025 roll
Land assessed$8,000
Total assessed$43,800
Est. annual tax$11,812 (2024, excl. special districts)
Lot
Size0.17 acres
Services & districts
School districtWest Islip (472809)
Recorded sales · 1
Deed$370,000Jun 27, 2018
seller STEPHEN J. GUARDINO
buyer STEVEN DEMPSEY
Liber 12970, page 400
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12970 / 400
SBL05003620003000240000
Print key362.-3-24
SWIS472889
Parcel ID47288905003620003000240000
Who owns 1135 Washington Ave?
1135 Washington Ave, Islip is owned by Steven & Nikolle Dempsey per the 2025 NYS assessment roll. It last sold for $370,000 in Jun 2018.
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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