Cook County Value

123 S Elmwood Ave, Oak Park, IL 60302

4 bed / 2 bath, 1,856 sqft, built 1886, in Oak Park Assessor market value for 2026: $720,000.

Cook County account 16074040340000

Assessor market value
$720,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,856 sqft
$388 per sqft
Year built
1886
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 36.4% from $528,040 in 2025 to $720,000 in 2026.
  • Assessor market value per square footThe current public record shows about $388 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 443 residential records in the same neighborhood, the average assessor market value is about $293 per square foot.

Comparable assessments

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

  • 217 S East Ave, Oak Park, IL 60302
    1,882 sqft | $356/sqft | built 1885 | Similar size (1,882 vs 1,856 sqft); Similar age (1885 vs 1886); Similar lot size (8,600 vs 8,750 sqft)
    $670,000
  • 229 Wesley Ave, Oak Park, IL 60302
    1,918 sqft | $318/sqft | built 1891 | Similar size (1,918 vs 1,856 sqft); Similar age (1891 vs 1886); Similar lot size (8,750 vs 8,750 sqft)
    $610,000
  • 209 S East Ave, Oak Park, IL 60302
    1,954 sqft | $379/sqft | built 1891 | 5% larger (1,954 vs 1,856 sqft); Similar age (1891 vs 1886); Similar lot size (8,600 vs 8,750 sqft)
    $740,000
  • 326 S Elmwood Ave, Oak Park, IL 60302
    1,942 sqft | $345/sqft | built 1890 | Similar size (1,942 vs 1,856 sqft); Similar age (1890 vs 1886); Similar lot size (8,750 vs 8,750 sqft)
    $670,000
  • 316 S Euclid Ave, Oak Park, IL 60302
    1,914 sqft | $351/sqft | built 1894 | Similar size (1,914 vs 1,856 sqft); Similar lot size (8,400 vs 8,750 sqft); Same quality (Average)
    $671,520

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 36.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$720,000+$191,960+36.4%
2025$528,040$00.0%
2024$528,040−$35,840−6.4%
2023$563,880+$105,260+23.0%
2022$458,620$00.0%
2021$458,620+$100.0%
2020$458,610——
6-year total+$261,390+57.0%