Cook County Value

1155 S Kenilworth Ave, Oak Park, IL 60304

5 bed / 3 bath, 2,478 sqft, built 1909, in Oak Park. Assessor market value for 2026: $754,250.

Cook County account 16183270180000

Likely too high

about $161,000

8 similar homes nearby point to a value about $161,000 lower than yours.

Assessor market value$754,250
Similar homes$593,629
$160,621 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$754,250
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,478 sqft
$304 per sqft
Year built
1909
Average quality

Why we think so

Similar homes' assessments

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $238.39/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $61,650. Counting your land in place of theirs where theirs is less, they support a value of $593,629.

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 31.2% from $575,020 in 2025 to $754,250 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

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

  • 613 Harvard St, Oak Park, IL 60304
    2,324 sqft | $216/sqft | built 1909 | 6% smaller (2,324 vs 2,478 sqft); Built same year (1909); Similar lot size (3,375 vs 3,425 sqft)
    $501,060
  • 1024 Clarence Ave, Oak Park, IL 60304
    2,391 sqft | $238/sqft | built 1912 | Similar size (2,391 vs 2,478 sqft); Similar age (1912 vs 1909); Similar lot size (3,150 vs 3,425 sqft)
    $570,000
  • 903 S Oak Park Ave, Oak Park, IL 60304
    2,500 sqft | $192/sqft | built 1905 | Similar size (2,500 vs 2,478 sqft); Similar age (1905 vs 1909); Similar lot size (3,162 vs 3,425 sqft)
    $480,000
  • 1015 S Euclid Ave, Oak Park, IL 60304
    2,602 sqft | $289/sqft | built 1908 | 5% larger (2,602 vs 2,478 sqft); Similar age (1908 vs 1909); Lot 11% smaller (3,050 vs 3,425 sqft)
    $752,490
  • 930 S Euclid Ave, Oak Park, IL 60304
    2,462 sqft | $280/sqft | built 1914 | Similar size (2,462 vs 2,478 sqft); Similar age (1914 vs 1909); Lot 10% larger (3,780 vs 3,425 sqft)
    $690,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 31.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$754,250+$179,230+31.2%
2025$575,020−$101,800−15.0%
2024$676,820−$33,180−4.7%
2023$710,000+$334,880+89.3%
2022$375,120−$20,640−5.2%
2021$395,760+$75,010+23.4%
2020$320,750——
6-year total+$433,500+135.2%