8 bed / 4 bath, 3,200 sqft, built 1962, in Thornton. Assessor market value for 2025: $73,480.
Cook County account 29173170230000
Assessor market value
$73,480
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,200 sqft
$23 per sqft
Year built
1962
Average quality
Compare this assessment
Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.
Thornton 2026 appeal dates have not been published yet.
Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.
Assessment snapshot
These public CCAO records highlight what may be worth checking before you file.
Assessment changeThe assessor market value stayed about the same, from $73,480 in 2024 to $73,480 in 2025.
Assessor market value per square footThe current public record shows about $23 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for the Thornton neighborhood and ZIP 60426.
Neighborhood value signalAmong 4,323 residential records in the same neighborhood, the average assessor market value is about $52 per square foot.
Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.
Comparable assessments
Similar public appraisal records selected for this property's equity comparison.
15720 Park Ave, Harvey, IL 60426
3,200 sqft | $23/sqft | built 1962 | Similar size (3,200 vs 3,200 sqft); Built same year (1962); Similar lot size (2,344 vs 2,535 sqft)
3,429 sqft | $22/sqft | built 1973 | 7% larger (3,429 vs 3,200 sqft); Lot 14% smaller (2,180 vs 2,535 sqft); Same quality (Average)
$73,830
Recent comparable sales
No usable comparable sales are available in this data snapshot.
Public appraisal comparison for 2025. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.
Value history
No change in 2025 from 2024.
Assessor market value by tax year, with the change from the previous year listed