Cook County Value

1122 Clinton Ave, Oak Park, IL 60304

4 bed / 3 bath, 2,916 sqft, built 2009, in Oak Park. Assessor market value for 2026: $886,730.

Cook County account 16183200090000

Assessor market value
$886,730
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,916 sqft
$304 per sqft
Year built
2009
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 9.4% from $810,370 in 2025 to $886,730 in 2026.
  • Assessor market value per square footThe current public record shows about $304 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 1,599 residential records in the same neighborhood, the average assessor market value is about $303 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +19.0% on average.

Comparable assessments

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

  • 950 S Elmwood Ave, Oak Park, IL 60304
    2,926 sqft | $273/sqft | built 2005 | Similar size (2,926 vs 2,916 sqft); Similar age (2005 vs 2009); Similar lot size (4,965 vs 5,137 sqft)
    $800,000
  • 944 Clinton Ave, Oak Park, IL 60304
    2,920 sqft | $356/sqft | built 2016 | Similar size (2,920 vs 2,916 sqft); Lot 13% smaller (4,452 vs 5,137 sqft); Same quality (Average)
    $1,040,000
  • 1042 Home Ave, Oak Park, IL 60304
    3,064 sqft | $330/sqft | built 2008 | 5% larger (3,064 vs 2,916 sqft); Similar age (2008 vs 2009); Lot 11% smaller (4,562 vs 5,137 sqft)
    $1,010,000
  • 946 Clinton Ave, Oak Park, IL 60304
    2,920 sqft | $384/sqft | built 2018 | Similar size (2,920 vs 2,916 sqft); Lot 13% smaller (4,452 vs 5,137 sqft); Same quality (Average)
    $1,120,000
  • 1046 Home Ave, Oak Park, IL 60304
    3,262 sqft | $297/sqft | built 2009 | 12% larger (3,262 vs 2,916 sqft); Built same year (2009); Lot 11% smaller (4,566 vs 5,137 sqft)
    $969,000

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 9.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$886,730+$76,360+9.4%
2025$810,370$00.0%
2024$810,370−$99,630−10.9%
2023$910,000+$205,210+29.1%
2022$704,790−$59,180−7.7%
2021$763,970+$100.0%
2020$763,960——
6-year total+$122,770+16.1%