NY Property Records
11 William St
11 William St
Mount Vernon · Westchester County
220 · Residential
Owner of record
OwnerChieffo,Michelle
Mailing address11 WILLIAM STREET · MOUNT VERNON, NY, 10550
Assessment · 2025 roll
Land assessed$9,000
Total assessed$13,500
Est. annual tax$20,379 (2024, excl. special districts)
Lot
Size0.23 acres
Services & districts
School districtMount Vernon (550800)
Deed & identifiers
SBL16503811620050000000
Print key165.38-1162-5
SWIS550800
Parcel ID55080016503811620050000000
Who owns 11 William St?
11 William St, Mount Vernon is owned by Chieffo,Michelle per the 2025 NYS assessment roll.
Nearby on 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
Search by name or address · Browse all records