Cook County Value

3524 Gunderson Ave, Berwyn, IL 60402

6 bed / 4 bath, 2,636 sqft, built 2020, in Berwyn. Assessor market value for 2026: $610,000.

Cook County account 16314050380000

Assessor market value
$610,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,636 sqft
$231 per sqft
Year built
2020
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 60402 and Berwyn 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 35.8% from $449,070 in 2025 to $610,000 in 2026.
  • Assessor market value per square footThe current public record shows about $231 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Berwyn neighborhood and ZIP 60402.
  • Neighborhood value signalAmong 2,263 residential records in the same neighborhood, the average assessor market value is about $237 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +28.1% on average.

Comparable assessments

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

  • 3722 Clarance Ave, Berwyn, IL 60402
    2,652 sqft | $192/sqft | built 2024 | Similar size (2,652 vs 2,636 sqft); Similar age (2024 vs 2020); Similar lot size (3,707 vs 4,059 sqft)
    $510,000
  • 3625 S Wesley Ave, Berwyn, IL 60402
    2,414 sqft | $234/sqft | built 2019 | 8% smaller (2,414 vs 2,636 sqft); Similar age (2019 vs 2020); Similar lot size (3,741 vs 4,059 sqft)
    $565,710
  • 3735 Highland Ave, Berwyn, IL 60402
    2,491 sqft | $200/sqft | built 2009 | 6% smaller (2,491 vs 2,636 sqft); Similar lot size (3,868 vs 4,059 sqft); Same quality (Average)
    $497,840
  • 3742 Gunderson Ave, Berwyn, IL 60402
    2,640 sqft | $201/sqft | built 2005 | Similar size (2,640 vs 2,636 sqft); Similar lot size (4,249 vs 4,059 sqft); Same quality (Average)
    $530,000
  • 3816 Home Ave 1/2, Berwyn, IL 60402
    2,510 sqft | $223/sqft | built 2016 | Similar size (2,510 vs 2,636 sqft); Similar age (2016 vs 2020); Similar lot size (4,455 vs 4,059 sqft)
    $560,000

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 35.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$610,000+$160,930+35.8%
2025$449,070$00.0%
2024$449,070−$70,930−13.6%
2023$520,000+$140,800+37.1%
2022$379,200−$63,390−14.3%
2021$442,590+$71,020+19.1%
2020$371,570——
6-year total+$238,430+64.2%