NY Property Records
166 Washington Ave
166 Washington Ave
Islip · Suffolk County
210 · Residential
Owner of record
OwnerFrancois R Gay &
Mailing address166 WASHINGTON AVE · BRENTWOOD, NY, 11717
Assessment · 2025 roll
Land assessed$8,600
Total assessed$31,300
Est. annual tax$6,967 (2024, excl. special districts)
Lot
Size0.23 acres
Services & districts
School districtBrentwood (472812)
Recorded sales · 1
Deedno price statedOct 15, 2021
seller FRANCOIS R CAY
buyer FRANCOIS R GAY
Liber 13139, page 569
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13139 / 569
SBL05000940001000290000
Print key94.-1-29
SWIS472889
Parcel ID47288905000940001000290000
Who owns 166 Washington Ave?
166 Washington Ave, Islip is owned by Francois R Gay & 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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