Cook County Value

935 Ferdinand Ave Forest Park, IL 60130

6 bed / 3 bath, 1,890 sqft, built 1915, in Proviso. Assessor market value for 2026: $410,000.

Cook County account 15134080330000

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,890 sqft
$217 per sqft
Year built
1915
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 24.1% from $330,390 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $217 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

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

  • 1025 Hannah Ave Forest Park, IL 60130
    1,896 sqft | $227/sqft | built 1916 | Similar size (1,896 vs 1,890 sqft); Similar age (1916 vs 1915); Similar lot size (3,100 vs 3,125 sqft)
    $430,000
  • 1338 Marengo Ave Forest Park, IL 60130
    1,920 sqft | $177/sqft | built 1913 | Similar size (1,920 vs 1,890 sqft); Similar age (1913 vs 1915); Similar lot size (3,125 vs 3,125 sqft)
    $340,000
  • 814 Elgin Ave Forest Park, IL 60130
    1,892 sqft | $190/sqft | built 1916 | Similar size (1,892 vs 1,890 sqft); Similar age (1916 vs 1915); Similar lot size (3,125 vs 3,125 sqft)
    $360,000
  • 1347 Marengo Ave Forest Park, IL 60130
    1,957 sqft | $189/sqft | built 1912 | Similar size (1,957 vs 1,890 sqft); Similar age (1912 vs 1915); Similar lot size (3,125 vs 3,125 sqft)
    $370,000
  • 829 Beloit Ave Forest Park, IL 60130
    1,936 sqft | $196/sqft | built 1914 | Similar size (1,936 vs 1,890 sqft); Similar age (1914 vs 1915); Similar lot size (3,125 vs 3,125 sqft)
    $380,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 902 Ferdinand Ave Forest Park, IL 60130
    1,698 sqft | $233/sqft | built 1916 | 10% size difference (1,698 sqft); Similar age (1916)
    $395,000

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 24.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$410,000+$79,610+24.1%
2025$330,390$00.0%
2024$330,390−$18,070−5.2%
2023$348,460+$108,040+44.9%
2022$240,420$00.0%
2021$240,420−$22,710−8.6%
2020$263,130——
6-year total+$146,870+55.8%