St. Clair County, IL: assessment records
The property assessment records the St. Clair County assessment office publishes. Look up a parcel by owner, address or parcel number to see who owns it and what it is assessed at.
St. Clair County assessment records
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What you can look up here
- Property ownerFind the owner of record for a parcel.
- Parcel numberLook up a parcel by its number, or find the number for an address.
- Property recordsValues, classification, building details, and sales history for a parcel.
- Property taxesTax statements, amounts due, values, and how to pay.
About this resource
- Provided by
- IllinoisAssessors.com, the county assessment office directory
- Covers
- St. Clair County, IL
- Link status
- Opened normally at the last check
- Link checked
- Oct 19, 2026
- Web address
- https://www.co.st-clair.il.us/departments/assessor
Who to contact
- St. Clair County AssessorThe St. Clair County Assessor oversees property assessments in the county, handles homestead exemptions and helps with assessment appeals to the Board of Review.Jennifer Gomric-Minton, Assessor
- Phone
- (618) 825-2704
- Website
- Visit website
- St. Clair County TreasurerThe St. Clair County Treasurer sends and collects property tax bills.
- Phone
- (618) 825-2707
- Website
- Visit website
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