Cook County Value

804 S Maple Ave, Oak Park, IL 60304

3 bed / 1 bath, 1,398 sqft, built 1926, in Oak Park. Assessor market value for 2026: $440,000.

Cook County account 16181270020000

Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,398 sqft
$315 per sqft
Year built
1926
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 60304, 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 12.8% from $390,000 in 2025 to $440,000 in 2026.
  • Assessor market value per square footThe current public record shows about $315 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 60304.
  • Neighborhood value signalAmong 1,503 residential records in the same neighborhood, the average assessor market value is about $318 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +27.4% on average.

Comparable assessments

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

  • 819 Wenonah Ave, Oak Park, IL 60304
    1,396 sqft | $380/sqft | built 1917 | Similar size (1,396 vs 1,398 sqft); Similar lot size (6,250 vs 6,375 sqft); Same quality (Average)
    $530,000
  • 710 S Oak Park Ave, Oak Park, IL 60304
    1,446 sqft | $332/sqft | built 1920 | Similar size (1,446 vs 1,398 sqft); Similar lot size (6,300 vs 6,375 sqft); Same quality (Average)
    $480,000
  • 705 S East Ave, Oak Park, IL 60304
    1,417 sqft | $367/sqft | built 1919 | Similar size (1,417 vs 1,398 sqft); Similar lot size (6,250 vs 6,375 sqft); Same quality (Average)
    $520,000
  • 605 S Scoville Ave, Oak Park, IL 60304
    1,443 sqft | $339/sqft | built 1916 | Similar size (1,443 vs 1,398 sqft); Similar lot size (6,300 vs 6,375 sqft); Same quality (Average)
    $488,580
  • 804 S Grove Ave, Oak Park, IL 60304
    1,389 sqft | $341/sqft | built 1912 | Similar size (1,389 vs 1,398 sqft); Similar lot size (6,250 vs 6,375 sqft); Same quality (Average)
    $473,790

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 12.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,000+$50,000+12.8%
2025$390,000$00.0%
2024$390,000$00.0%
2023$390,000+$64,010+19.6%
2022$325,990$00.0%
2021$325,990+$100.0%
2020$325,980——
6-year total+$114,020+35.0%