× Home › Property records › Oswego County › Williamstown › Co Rt 30 › 991 Co Rt 30991 Co Rt 30Williamstown · Oswego County · 13302 $108,333 Full market value 210 · Residential OpenValue $198,701 ▾
Owner of record
Owner Mirra, Stephen A
Also Mirra, Colleen D
Mailing address PO Box 27 · Altmar, NY, 13302
Assessment · 2025 roll
Land assessed $19,000
Total assessed $65,000
Full market value $108,333
Est. annual tax $2,277 (2024, excl. special districts)
Building
Style Colonial
Year built 2000
Living area 1,656 sq ft
Bedrooms 2
Full baths 1
Heat Hot air
Fuel Oil
Services & districts
Water Private
Sewer Private
Utilities Electric
School district Altmar Parish-Williamstown (352002)
Deed & identifiers
Deed book / page 2009 / 12036
SBL 12300000010230100000
Print key 123.00-01-23.01
SWIS 356200
Parcel ID 35620012300000010230100000
Who owns 991 Co Rt 30? 991 Co Rt 30, Williamstown is owned by Mirra, Stephen A per the 2025 NYS assessment roll.
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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.
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