Cook County Value

2543 Oak St Franklin Park, IL 60131

3 bed / 1 bath, 1,205 sqft, built 1973, in Leyden. Assessor market value for 2026: $285,690.

Cook County account 12274090080000

Assessor market value
$285,690
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,205 sqft
$237 per sqft
Year built
1973
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 60131 and Leyden assessment pages.

Local guide: Leyden Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Leyden, appeals to the Assessor closed . Board of Review dates for Leyden 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 decreased 4.8% from $300,000 in 2025 to $285,690 in 2026.
  • Assessor market value per square footThe current public record shows about $237 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Leyden neighborhood and ZIP 60131.
  • Neighborhood value signalAmong 2,613 residential records in the same neighborhood, the average assessor market value is about $229 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.2% on average.

Comparable assessments

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

  • 2527 N Oak St River Grove, IL 60171
    1,200 sqft | $258/sqft | built 1973 | Similar size (1,200 vs 1,205 sqft); Built same year (1973); Similar lot size (4,200 vs 4,375 sqft)
    $310,000
  • 8635 W Center Ave River Grove, IL 60171
    1,200 sqft | $236/sqft | built 1976 | Similar size (1,200 vs 1,205 sqft); Similar age (1976 vs 1973); Similar lot size (4,500 vs 4,375 sqft)
    $283,650
  • 2630 N West St River Grove, IL 60171
    1,248 sqft | $256/sqft | built 1972 | Similar size (1,248 vs 1,205 sqft); Similar age (1972 vs 1973); Similar lot size (4,375 vs 4,375 sqft)
    $320,000
  • 2642 N Elm St River Grove, IL 60171
    1,202 sqft | $266/sqft | built 1966 | Similar size (1,202 vs 1,205 sqft); Similar lot size (4,375 vs 4,375 sqft); Same quality (Average)
    $320,000
  • 2540 N Elm St River Grove, IL 60171
    1,229 sqft | $269/sqft | built 1966 | Similar size (1,229 vs 1,205 sqft); Similar lot size (4,375 vs 4,375 sqft); Same quality (Average)
    $330,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 3663 Dora St Franklin Park, IL 60131
    1,050 sqft | $168/sqft | built 1959 | 13% size difference (1,050 sqft); Same beds (3)
    $176,000

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

Down 4.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$285,690−$14,310−4.8%
2025$300,000+$49,090+19.6%
2024$250,910−$8,740−3.4%
2023$259,650$00.0%
2022$259,650+$97,290+59.9%
2021$162,360−$15,020−8.5%
2020$177,380——
6-year total+$108,310+61.1%