Cook County Value

6445 Sinclair Ave, Berwyn, IL 60402

3 bed / 1 bath, 930 sqft, built 1937, in Berwyn. Assessor market value for 2026: $260,000.

Cook County account 16312260360000

Assessor market value
$260,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
930 sqft
$280 per sqft
Year built
1937
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 23.8% from $210,000 in 2025 to $260,000 in 2026.
  • Assessor market value per square footThe current public record shows about $280 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 1,567 residential records in the same neighborhood, the average assessor market value is about $221 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +34.7% on average.

Comparable assessments

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

  • 3628 Wisconsin Ave, Berwyn, IL 60402
    923 sqft | $282/sqft | built 1940 | Similar size (923 vs 930 sqft); Similar age (1940 vs 1937); Similar lot size (4,080 vs 4,000 sqft)
    $260,000
  • 3632 Wisconsin Ave, Berwyn, IL 60402
    946 sqft | $275/sqft | built 1941 | Similar size (946 vs 930 sqft); Similar age (1941 vs 1937); Similar lot size (4,080 vs 4,000 sqft)
    $260,000
  • 3630 Wisconsin Ave, Berwyn, IL 60402
    923 sqft | $228/sqft | built 1940 | Similar size (923 vs 930 sqft); Similar age (1940 vs 1937); Similar lot size (4,080 vs 4,000 sqft)
    $210,000
  • 6637 34th St, Berwyn, IL 60402
    894 sqft | $291/sqft | built 1947 | Similar size (894 vs 930 sqft); Similar lot size (3,937 vs 4,000 sqft); Same quality (Average)
    $260,010
  • 2848 Wenonah Ave, Berwyn, IL 60402
    948 sqft | $295/sqft | built 1929 | Similar size (948 vs 930 sqft); Similar lot size (4,288 vs 4,000 sqft); Same quality (Average)
    $280,000

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 23.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$260,000+$50,000+23.8%
2025$210,000$00.0%
2024$210,000$00.0%
2023$210,000+$39,490+23.2%
2022$170,510$00.0%
2021$170,510$00.0%
2020$170,510——
6-year total+$89,490+52.5%