Cook County Value

900 Chicago Rd Thornton, IL 60476

4 bed / 1 bath, 1,434 sqft, built 1961, in Thornton. Assessor market value for 2025: $140,000.

Cook County account 29273050710000

Assessor market value
$140,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,434 sqft
$98 per sqft
Year built
1961
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.

For nearby context, browse ZIP 60476 and Thornton assessment pages.

Appeal deadlines

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 $140,000 in 2024 to $140,000 in 2025.
  • Assessor market value per square footThe current public record shows about $98 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 60476.
  • Neighborhood value signalAmong 955 residential records in the same neighborhood, the average assessor market value is about $118 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.

  • 12 Apache Dr Thornton, IL 60476
    1,439 sqft | $83/sqft | built 1962 | Similar size (1,439 vs 1,434 sqft); Similar age (1962 vs 1961); Similar lot size (7,375 vs 7,336 sqft)
    $120,000
  • 10 Tahoe St Thornton, IL 60476
    1,440 sqft | $83/sqft | built 1961 | Similar size (1,440 vs 1,434 sqft); Built same year (1961); Similar lot size (7,080 vs 7,336 sqft)
    $120,000
  • 124 Laura Ln Thornton, IL 60476
    1,427 sqft | $112/sqft | built 1958 | Similar size (1,427 vs 1,434 sqft); Similar age (1958 vs 1961); Similar lot size (7,236 vs 7,336 sqft)
    $160,000
  • 12 Tahoe St Thornton, IL 60476
    1,440 sqft | $96/sqft | built 1962 | Similar size (1,440 vs 1,434 sqft); Similar age (1962 vs 1961); Similar lot size (7,080 vs 7,336 sqft)
    $137,620
  • 117 Laura Ln Thornton, IL 60476
    1,453 sqft | $89/sqft | built 1958 | Similar size (1,453 vs 1,434 sqft); Similar age (1958 vs 1961); Similar lot size (7,290 vs 7,336 sqft)
    $130,000

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
Tax yearAssessor market valueChangeChange %
2025$140,000$00.0%
2024$140,000$00.0%
2023$140,000+$53,800+62.4%
2022$86,200$00.0%
2021$86,200+$200.0%
2020$86,180——
5-year total+$53,820+62.5%