NY Property Records
21 W William St
21 W William St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerCarlos Ramirez
Mailing address1174 WOODFIELD RD · ROCKVILLE CENTRE, NY, 11570
Assessment · 2025 roll
Land assessed$8,300
Total assessed$38,000
Est. annual tax$11,425 (2024, excl. special districts)
Lot
Size0.35 acres
Services & districts
School districtBay Shore (472801)
Recorded sales · 1
Deedno price statedOct 16, 2025
seller CARLOS RAMIREZ
buyer CARLOS ENRIQUEZ RAMIREZ RIQUELME
Liber 13318, page 815
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12514 / 295
SBL05003410002000880002
Print key341.-2-88.2
SWIS472889
Parcel ID47288905003410002000880002
Who owns 21 W William St?
21 W William St, Islip is owned by Carlos Ramirez per the 2025 NYS assessment roll.
Nearby on W William St
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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