× Home › Property records › Oswego County › Williamstown › Co Rt 30 › 674 Co Rt 30674 Co Rt 30Williamstown · Oswego County · 13302 $78,333 Full market value 210 · Residential OpenValue $134,148 ▾
Owner of record
Owner Dupont, David G
Mailing address 132 Co Rt 30 · Williamstown, NY, 13493
Assessment · 2025 roll
Land assessed $10,000
Total assessed $47,000
Full market value $78,333
Est. annual tax $1,646 (2024, excl. special districts)
Building
Style Manufd housing
Year built 1994
Living area 960 sq ft
Bedrooms 3
Full baths 2
Heat Hot air
Fuel Oil
Lot
Size 0.36 acres (GIS)
Frontage × depth 86 × 125 ft
Services & districts
Water Private
Sewer Private
Utilities Electric
School district Altmar Parish-Williamstown (352002)
Deed & identifiers
SBL 12300000020200000000
Print key 123.00-02-20
SWIS 356200
Parcel ID 35620012300000020200000000
Who owns 674 Co Rt 30? 674 Co Rt 30, Williamstown is owned by Dupont, David G 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