Cook County Value

510 Ferdinand Ave Forest Park, IL 60130

3 bed / 1 bath, 1,112 sqft, built 1919, in Proviso Assessor market value for 2026: $390,000.

Cook County account 15132090030000

Assessor market value
$390,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,112 sqft
$351 per sqft
Year built
1919
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 35.3% from $288,240 in 2025 to $390,000 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 1,139 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.

  • 7648 Monroe St Forest Park, IL 60130
    1,152 sqft | $339/sqft | built 1914 | Similar size (1,152 vs 1,112 sqft); Similar age (1914 vs 1919); Similar lot size (6,250 vs 6,250 sqft)
    $390,000
  • 7652 Adams St Forest Park, IL 60130
    1,125 sqft | $347/sqft | built 1909 | Similar size (1,125 vs 1,112 sqft); Similar lot size (6,250 vs 6,250 sqft); Same quality (Average)
    $390,000
  • 7530 Brown Ave Forest Park, IL 60130
    1,098 sqft | $392/sqft | built 1916 | Similar size (1,098 vs 1,112 sqft); Similar age (1916 vs 1919); Similar lot size (6,000 vs 6,250 sqft)
    $430,000
  • 7657 Wilcox St Forest Park, IL 60130
    1,081 sqft | $509/sqft | built 1913 | Similar size (1,081 vs 1,112 sqft); Similar lot size (6,250 vs 6,250 sqft); Same quality (Average)
    $550,000
  • 7726 Monroe St Forest Park, IL 60130
    1,017 sqft | $383/sqft | built 1916 | 8% smaller (1,017 vs 1,112 sqft); Similar age (1916 vs 1919); Similar lot size (6,250 vs 6,250 sqft)
    $390,000

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 | 6% size difference (1,040 sqft); Moderate age difference (4 years newer); 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 35.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$390,000+$101,760+35.3%
2025$288,240−$41,760−12.7%
2024$330,000$00.0%
2023$330,000+$34,980+11.9%
2022$295,020$00.0%
2021$295,020−$38,660−11.6%
2020$333,680——
6-year total+$56,320+16.9%