12 bed / 6 bath, 5,843 sqft, built 1971, in Thornton Assessor market value for 2025: $320,000.
Cook County account 29103110300000
≈ Small or uncertain difference
about $6,000
8 similar homes nearby point to a value about $6,000 lower than yours, a small or uncertain difference.
Assessor market value$320,000
Similar homes$314,411
▲ $5,589 gap · bars start at $0
How sure: High · 8 similar homes (5 shown below) · public records only
Assessor market value
$320,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,843 sqft
$55 per sqft
Year built
1971
Average quality
Why we think so
Similar homes' assessments
Weak
6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $53.81/sqft, which supports a value of $314,411.
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 $320,000 in 2024 to $320,000 in 2025.
Assessor market value per square footThe current public record shows about $55 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 60419.
Neighborhood value signalAmong 2,179 residential records in the same neighborhood, the average assessor market value is about $113 per square foot.
Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.
Comparable assessments
Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.
5,854 sqft | $54/sqft | built 1970 | Similar size (5,854 vs 5,843 sqft); Similar age (1970 vs 1971); Similar lot size (7,563 vs 7,245 sqft)
$315,000
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