STATEWIDE ROLL DIRECTORY • IL (1 COUNTIES)
ILLINOIS PROPERTY TAX ROLLS
CLICK OR HOVER ANY COUNTY ON THE INTERACTIVE ILLINOIS MAP BELOW TO EXPLORE COUNTY TAX RATES, REAPPRAISAL CYCLES & APPEAL DEADLINES
Annual property tax paid as a percentage of full 100% market value, combining Illinois's 33% residential assessment ratio with the county millage rate.
Typical 100% fair market appraisal on the county roll. In Illinois, residential property is taxed on 33% of this appraised value (Appraised Value × 33% = Taxable Assessed Value).
Total residential, commercial, agricultural, and industrial real estate parcels recorded on the county assessment roll.
Counties revalue all properties every 4 to 6 years to match market sales. Between reappraisals, assessments generally stay fixed unless appealed or improved.
INSTANT ILLINOIS PARCEL AUDIT
AUDIT YOUR ILLINOIS ASSESSMENT
Enter your residential or commercial street address to cross-reference against official Illinois assessment rolls.
SELECTABLE COUNTY SUB-PAGES
FEATURED ILLINOIS COUNTY PROPERTY TAX GUIDES
COMPLETE COUNTY SUB-PAGE DIRECTORY
ILLINOIS COUNTY ASSESSMENT ROLLS (1 COUNTIES)
| COUNTY | COUNTY SEAT | PARCELS | MEDIAN VALUE | REAPPRAISAL CYCLE | EFFECTIVE TAX RATE | ROLL STATUS | ACTION |
|---|---|---|---|---|---|---|---|
| Cook | Chicago | 1,920,000 | $310,000 | 3-Yr Cycle (Next: 2027) | 2.2% | DIRECTORY | OPEN GUIDE → |
STATEWIDE TAXPAYER FAQ