Cook County Value

6521 Sinclair Ave, Berwyn, IL 60402

4 bed / 2 bath, 1,901 sqft, built 1903, in Berwyn. Assessor market value for 2026: $440,000.

Cook County account 16312250280000

Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,901 sqft
$231 per sqft
Year built
1903
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 changed from $250,000 in 2025 to $440,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • 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 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.

  • 3102 Wesley Ave, Berwyn, IL 60402
    1,884 sqft | $207/sqft | built 1903 | Similar size (1,884 vs 1,901 sqft); Built same year (1903); Similar lot size (6,200 vs 6,250 sqft)
    $390,000
  • 3424 Euclid Ave, Berwyn, IL 60402
    1,890 sqft | $206/sqft | built 1906 | Similar size (1,890 vs 1,901 sqft); Similar age (1906 vs 1903); Similar lot size (6,200 vs 6,250 sqft)
    $390,000
  • 6411 Sinclair Ave, Berwyn, IL 60402
    1,932 sqft | $207/sqft | built 1902 | Similar size (1,932 vs 1,901 sqft); Similar age (1902 vs 1903); Similar lot size (6,250 vs 6,250 sqft)
    $400,000
  • 6431 32nd St, Berwyn, IL 60402
    1,948 sqft | $226/sqft | built 1908 | Similar size (1,948 vs 1,901 sqft); Similar age (1908 vs 1903); Similar lot size (6,441 vs 6,250 sqft)
    $440,010
  • 6639 34th St, Berwyn, IL 60402
    1,898 sqft | $232/sqft | built 1889 | Similar size (1,898 vs 1,901 sqft); Similar lot size (6,250 vs 6,250 sqft); Same quality (Average)
    $439,910

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 76.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,000+$190,000+76.0%
2025$250,000$00.0%
2024$250,000$00.0%
2023$250,000+$18,890+8.2%
2022$231,110$00.0%
2021$231,110+$200.0%
2020$231,090——
6-year total+$208,910+90.4%