St. Clair County, Illinois property tax info
| Population | 268,858 |
| Assessors Web Page Link | Click Here |
| Assessor Physical Address | 10 Public Square Belleville, IL 62220 |
| Assessor Phone Number | (618) 277-6600 |
| Appeals Page Link | Click Here |
| FREE to appeal? Or Cost? | Free |
| Additional info required to pull or just address? | Click Here |
| LINK TO APPEAL FORM IF ANY | Click Here |
| DATE APPEALS DUE BY | June 1st and the second is due September 1st. |
| Attorney required to appeal? | No |