Cook County Value

518 Forest Ave, Oak Park, IL 60302

2 bed / 1 bath, 1,413 sqft, built 1940, in Oak Park. Assessor market value for 2026: $520,000.

Cook County account 16063200220000

Assessor market value
$520,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,413 sqft
$368 per sqft
Year built
1940
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 60302, Oak Park, and Oak Park assessment pages.

Local guide: Oak Park Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Oak Park have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 17.5% from $442,390 in 2025 to $520,000 in 2026.
  • Assessor market value per square footThe current public record shows about $368 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Oak Park neighborhood and ZIP 60302.
  • Neighborhood value signalAmong 1,390 residential records in the same neighborhood, the average assessor market value is about $323 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +22.6% on average.

Comparable assessments

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

  • 835 N Marion St, Oak Park, IL 60302
    1,464 sqft | $376/sqft | built 1942 | Similar size (1,464 vs 1,413 sqft); Similar age (1942 vs 1940); Lot 11% smaller (6,612 vs 7,400 sqft)
    $550,000
  • 825 Division St, Oak Park, IL 60302
    1,440 sqft | $396/sqft | built 1926 | Similar size (1,440 vs 1,413 sqft); Similar lot size (7,343 vs 7,400 sqft); Same quality (Average)
    $570,000
  • 1023 Division St, Oak Park, IL 60302
    1,378 sqft | $377/sqft | built 1942 | Similar size (1,378 vs 1,413 sqft); Similar age (1942 vs 1940); Lot 17% smaller (6,160 vs 7,400 sqft)
    $520,000
  • 851 N Euclid Ave, Oak Park, IL 60302
    1,450 sqft | $359/sqft | built 1948 | Similar size (1,450 vs 1,413 sqft); Similar lot size (6,683 vs 7,400 sqft); Same quality (Average)
    $520,000
  • 823 N Marion St, Oak Park, IL 60302
    1,396 sqft | $322/sqft | built 1927 | Similar size (1,396 vs 1,413 sqft); Lot 15% smaller (6,264 vs 7,400 sqft); Same quality (Average)
    $450,000

Recent comparable sales

Sales selected by similarity to the subject property.

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 17.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$520,000+$77,610+17.5%
2025$442,390$00.0%
2024$442,390$00.0%
2023$442,390+$31,240+7.6%
2022$411,150$00.0%
2021$411,150$00.0%
2020$411,150——
6-year total+$108,850+26.5%