Cook County Value

926 Thomas Ave Forest Park, IL 60130

3 bed / 2 bath, 1,026 sqft, built 1927, in Proviso Assessor market value for 2026: $360,000.

Cook County account 15134110100000

Assessor market value
$360,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,026 sqft
$351 per sqft
Year built
1927
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 60130 and Proviso assessment pages.

Local guide: Proviso Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Proviso, appeals to the Assessor are open through (8 days left).

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 increased 34.3% from $268,020 in 2025 to $360,000 in 2026.
  • Assessor market value per square footThe current public record shows about $351 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Proviso neighborhood and ZIP 60130.
  • Neighborhood value signalAmong 1,610 residential records in the same neighborhood, the average assessor market value is about $258 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +17.7% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 1503 Elgin Ave Forest Park, IL 60130
    1,068 sqft | $300/sqft | built 1929 | Similar size (1,068 vs 1,026 sqft); Similar age (1929 vs 1927); Similar lot size (3,750 vs 3,750 sqft)
    $320,000
  • 1537 Elgin Ave Forest Park, IL 60130
    1,002 sqft | $299/sqft | built 1924 | Similar size (1,002 vs 1,026 sqft); Similar age (1924 vs 1927); Similar lot size (3,750 vs 3,750 sqft)
    $300,000
  • 1005 Marengo Ave Forest Park, IL 60130
    1,044 sqft | $307/sqft | built 1928 | Similar size (1,044 vs 1,026 sqft); Similar age (1928 vs 1927); Similar lot size (3,750 vs 3,750 sqft)
    $320,000
  • 1543 Elgin Ave Forest Park, IL 60130
    1,012 sqft | $287/sqft | built 1926 | Similar size (1,012 vs 1,026 sqft); Similar age (1926 vs 1927); Similar lot size (3,750 vs 3,750 sqft)
    $290,000
  • 1112 Marengo Ave Forest Park, IL 60130
    1,008 sqft | $298/sqft | built 1921 | Similar size (1,008 vs 1,026 sqft); Similar lot size (3,720 vs 3,750 sqft); Same quality (Average)
    $300,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1125 Marengo Ave Forest Park, IL 60130
    1,040 sqft | $372/sqft | built 1923 | Similar size (1,040 sqft); Moderate age difference (4 years older); Same beds (3)
    $387,000

Public appraisal comparison for 2026. 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

Up 34.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$360,000+$91,980+34.3%
2025$268,020$00.0%
2024$268,020−$52,520−16.4%
2023$320,540+$119,940+59.8%
2022$200,600$00.0%
2021$200,600−$33,760−14.4%
2020$234,360——
6-year total+$125,640+53.6%