Cook County Value

2447 Clarence Ave, Berwyn, IL 60402

4 bed / 1 bath, 1,489 sqft, built 1949. Assessor market value for 2026: $320,010.

Cook County account 16302190320000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$320,010
Similar homes$325,927
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$320,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,489 sqft
$215 per sqft
Year built
1949
Average quality

What we found

Similar homes' assessments

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $217.69/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 $56,990. Counting your land in place of theirs where theirs is less, they support a value of $325,927.

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 60402 and CCAO Appraisal Area 11030 assessment pages.

Local guide: Berwyn Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Berwyn 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 $250,000 in 2025 to $320,010 in 2026.
  • Assessor market value per square footThe current public record shows about $215 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 60402.
  • Neighborhood value signalAmong 1,599 residential records in the same neighborhood, the average assessor market value is about $227 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +27.1% on average.

Comparable assessments

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

  • 2445 Clarence Ave, Berwyn, IL 60402
    1,489 sqft | $222/sqft | built 1949 | Similar size (1,489 vs 1,489 sqft); Built same year (1949); Similar lot size (3,844 vs 3,799 sqft)
    $330,000
  • 2726 Wesley Ave, Berwyn, IL 60402
    1,532 sqft | $215/sqft | built 1941 | Similar size (1,532 vs 1,489 sqft); Similar lot size (3,750 vs 3,799 sqft); Same quality (Average)
    $330,000
  • 2317 Oak Park Ave, Berwyn, IL 60402
    1,466 sqft | $211/sqft | built 1941 | Similar size (1,466 vs 1,489 sqft); Similar lot size (3,780 vs 3,799 sqft); Same quality (Average)
    $310,000
  • 2212 Grove Ave, Berwyn, IL 60402
    1,462 sqft | $219/sqft | built 1938 | Similar size (1,462 vs 1,489 sqft); Similar lot size (3,795 vs 3,799 sqft); Same quality (Average)
    $320,010
  • 2448 Clarence Ave, Berwyn, IL 60402
    1,503 sqft | $213/sqft | built 1947 | Similar size (1,503 vs 1,489 sqft); Similar age (1947 vs 1949); Lot 10% smaller (3,412 vs 3,799 sqft)
    $320,000

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$320,010+$70,010+28.0%
2025$250,000$00.0%
2024$250,000$00.0%
2023$250,000+$43,930+21.3%
2022$206,070$00.0%
2021$206,070+$2,490+1.2%
2020$203,580——
6-year total+$116,430+57.2%