Cook County Value

1116 Clarence Ave, Oak Park, IL 60304

3 bed / 1 bath, 1,524 sqft, built 1918, in Oak Park. Assessor market value for 2026: $500,000.

Cook County account 16184170060000

Assessor market value
$500,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,524 sqft
$328 per sqft
Year built
1918
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 28.0% from $390,750 in 2025 to $500,000 in 2026.
  • Assessor market value per square footThe current public record shows about $328 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

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

  • 1118 Home Ave, Oak Park, IL 60304
    1,518 sqft | $296/sqft | built 1918 | Similar size (1,518 vs 1,524 sqft); Built same year (1918); Similar lot size (4,795 vs 4,725 sqft)
    $450,000
  • 1180 Clarence Ave, Oak Park, IL 60304
    1,523 sqft | $293/sqft | built 1920 | Similar size (1,523 vs 1,524 sqft); Similar age (1920 vs 1918); Similar lot size (4,725 vs 4,725 sqft)
    $446,060
  • 1023 S East Ave, Oak Park, IL 60304
    1,512 sqft | $311/sqft | built 1913 | Similar size (1,512 vs 1,524 sqft); Similar age (1913 vs 1918); Similar lot size (4,725 vs 4,725 sqft)
    $470,000
  • 1139 S Euclid Ave, Oak Park, IL 60304
    1,494 sqft | $308/sqft | built 1918 | Similar size (1,494 vs 1,524 sqft); Built same year (1918); Similar lot size (4,575 vs 4,725 sqft)
    $460,000
  • 1163 Home Ave, Oak Park, IL 60304
    1,499 sqft | $294/sqft | built 1916 | Similar size (1,499 vs 1,524 sqft); Similar age (1916 vs 1918); Similar lot size (4,736 vs 4,725 sqft)
    $440,000

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 28.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$500,000+$109,250+28.0%
2025$390,750$00.0%
2024$390,750$00.0%
2023$390,750+$69,780+21.7%
2022$320,970−$15,810−4.7%
2021$336,780+$10,760+3.3%
2020$326,020——
6-year total+$173,980+53.4%