Cook County Value

112 Des Plaines Ave Forest Park, IL 60130

2 bed / 1 bath, 997 sqft, built 1917, in Proviso Assessor market value for 2026: $320,000.

Cook County account 15124080060000

Assessor market value
$320,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
997 sqft
$321 per sqft
Year built
1917
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 18.5% from $270,000 in 2025 to $320,000 in 2026.
  • Assessor market value per square footThe current public record shows about $321 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 1,139 residential records in the same neighborhood, the average assessor market value is about $260 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.6% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 135 Brown Ave Forest Park, IL 60130
    1,008 sqft | $317/sqft | built 1920 | Similar size (1,008 vs 997 sqft); Similar age (1920 vs 1917); Similar lot size (3,528 vs 3,364 sqft)
    $320,000
  • 207 Brown Ave Forest Park, IL 60130
    1,012 sqft | $326/sqft | built 1919 | Similar size (1,012 vs 997 sqft); Similar age (1919 vs 1917); Similar lot size (3,629 vs 3,364 sqft)
    $330,000
  • 7713 Wilcox St Forest Park, IL 60130
    999 sqft | $744/sqft | built 1927 | Similar size (999 vs 997 sqft); Similar lot size (3,125 vs 3,364 sqft); Same quality (Average)
    $743,750
  • 7628 Monroe St Forest Park, IL 60130
    1,023 sqft | $323/sqft | built 1910 | Similar size (1,023 vs 997 sqft); Similar lot size (3,125 vs 3,364 sqft); Same quality (Average)
    $330,000
  • 201 Brown Ave Forest Park, IL 60130
    1,056 sqft | $303/sqft | built 1915 | 6% larger (1,056 vs 997 sqft); Similar age (1915 vs 1917); Similar lot size (3,141 vs 3,364 sqft)
    $320,000

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 (6 years newer); Within 1 bedroom (3 vs 2)
    $387,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 18.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$320,000+$50,000+18.5%
2025$270,000$00.0%
2024$270,000$00.0%
2023$270,000+$41,560+18.2%
2022$228,440$00.0%
2021$228,440−$97,320−29.9%
2020$325,760——
6-year total−$5,760−1.8%