× Home › Property records › Oswego County › Williamstown › Co Rt 30 › 458 Co Rt 30458 Co Rt 30Williamstown · Oswego County · 13493 $653,333 Full market value 837 · Public service
Owner of record
Owner De Graff, David
Also De Graff, Joan
Mailing address 8051 Congress Ave · Boca Raton, FL, 33487
Assessment · 2025 roll
Land assessed $12,000
Total assessed $392,000
Full market value $653,333
Est. annual tax $13,731 (2024, excl. special districts)
Lot
Size 0.23 acres (GIS)
Frontage × depth 100 × 100 ft
Services & districts
Water None
Sewer None
Utilities Electric
School district Altmar Parish-Williamstown (352002)
Deed & identifiers
SBL 14100000010140100000
Print key 141.00-01-14.01
SWIS 356200
Parcel ID 35620014100000010140100000
Who owns 458 Co Rt 30? 458 Co Rt 30, Williamstown is owned by De Graff, David per the 2025 NYS assessment roll.
Copy link to this record
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