Cook County Value

208 Blackstone St Thornton, IL 60476

4 bed / 2 bath, 1,846 sqft, built 1957, in Thornton. Assessor market value for 2025: $150,000.

Cook County account 29341130100000

Assessor market value
$150,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,846 sqft
$81 per sqft
Year built
1957
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 $150,000 in 2024 to $150,000 in 2025.
  • Assessor market value per square footThe current public record shows about $81 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.

  • 314 E Margaret St Thornton, IL 60476
    1,904 sqft | $85/sqft | built 1953 | Similar size (1,904 vs 1,846 sqft); Similar age (1953 vs 1957); Similar lot size (7,200 vs 7,200 sqft)
    $162,000
  • 121 Queens Ln Thornton, IL 60476
    1,823 sqft | $77/sqft | built 1957 | Similar size (1,823 vs 1,846 sqft); Built same year (1957); Similar lot size (7,772 vs 7,200 sqft)
    $140,000
  • 42 Chippewa Dr Thornton, IL 60476
    1,760 sqft | $83/sqft | built 1961 | Similar size (1,760 vs 1,846 sqft); Similar age (1961 vs 1957); Similar lot size (7,426 vs 7,200 sqft)
    $145,630
  • 31 Arapaho Dr Thornton, IL 60476
    1,897 sqft | $90/sqft | built 1960 | Similar size (1,897 vs 1,846 sqft); Similar age (1960 vs 1957); Similar lot size (7,718 vs 7,200 sqft)
    $170,000
  • 14 Indianwood Dr Thornton, IL 60476
    1,787 sqft | $101/sqft | built 1959 | Similar size (1,787 vs 1,846 sqft); Similar age (1959 vs 1957); Similar lot size (7,500 vs 7,200 sqft)
    $180,000

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$150,000$00.0%
2024$150,000$00.0%
2023$150,000+$44,680+42.4%
2022$105,320$00.0%
2021$105,320−$13,210−11.1%
2020$118,530——
5-year total+$31,470+26.6%