12 bed / 6 bath, 5,298 sqft, built 1965, in Thornton. Assessor market value for 2025: $190,380.
Cook County account 29041130550000
In line with similar homes
8 similar homes nearby support a value at or above your county value.
How sure: High · 8 similar homes (5 shown below) · public records only
Weak
1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $37.75/sqft, which supports a value of $199,999.
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.
For nearby context, browse ZIP 60827 and Thornton assessment pages.
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.
These public CCAO records highlight what may be worth checking before you file.
Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.
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.
Down 9.3% in 2025 from 2024.
| Tax year | Assessor market value | Change | Change % |
|---|---|---|---|
| 2025 | $190,380 | −$19,620 | −9.3% |
| 2024 | $210,000 | $0 | 0.0% |
| 2023 | $210,000 | +$56,060 | +36.4% |
| 2022 | $153,940 | $0 | 0.0% |
| 2021 | $153,940 | −$11,230 | −6.8% |
| 2020 | $165,170 | — | — |
| 5-year total | +$25,210 | +15.3% |