Cook County Value

3101 31st St, Berwyn, IL 60402

3 bed / 1 bath, 1,691 sqft, built 1938, in Berwyn. Assessor market value for 2026: $360,000.

Cook County account 16311040010000

Assessor market value
$360,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,691 sqft
$213 per sqft
Year built
1938
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 20.0% from $300,000 in 2025 to $360,000 in 2026.
  • Assessor market value per square footThe current public record shows about $213 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 589 residential records in the same neighborhood, the average assessor market value is about $194 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.0% on average.

Comparable assessments

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

  • 3240 Maple Ave, Berwyn, IL 60402
    1,760 sqft | $205/sqft | built 1926 | Similar size (1,760 vs 1,691 sqft); Similar lot size (5,175 vs 5,456 sqft); Same quality (Average)
    $360,000
  • 3242 Maple Ave, Berwyn, IL 60402
    1,760 sqft | $205/sqft | built 1928 | Similar size (1,760 vs 1,691 sqft); Similar lot size (5,175 vs 5,456 sqft); Same quality (Average)
    $360,010
  • 3112 Clinton Ave, Berwyn, IL 60402
    1,584 sqft | $234/sqft | built 1930 | 6% smaller (1,584 vs 1,691 sqft); Lot 14% larger (6,200 vs 5,456 sqft); Same quality (Average)
    $370,000
  • 3324 Kenilworth Ave, Berwyn, IL 60402
    1,710 sqft | $234/sqft | built 1924 | Similar size (1,710 vs 1,691 sqft); Lot 13% larger (6,150 vs 5,456 sqft); Same quality (Average)
    $400,000
  • 7112 34th St, Berwyn, IL 60402
    1,591 sqft | $233/sqft | built 1927 | 6% smaller (1,591 vs 1,691 sqft); Lot 15% larger (6,250 vs 5,456 sqft); Same quality (Average)
    $370,000

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 20.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$360,000+$60,000+20.0%
2025$300,000$00.0%
2024$300,000$00.0%
2023$300,000+$65,710+28.0%
2022$234,290$00.0%
2021$234,290+$100.0%
2020$234,280——
6-year total+$125,720+53.7%