Cook County Value

3627 Gunderson Ave, Berwyn, IL 60402

3 bed / 1 bath, 1,321 sqft, built 1928, in Berwyn. Assessor market value for 2026: $340,000.

Cook County account 16314130110000

Assessor market value
$340,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,321 sqft
$257 per sqft
Year built
1928
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 47.8% from $230,000 in 2025 to $340,000 in 2026.
  • Assessor market value per square footThe current public record shows about $257 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.

  • 3631 Gunderson Ave, Berwyn, IL 60402
    1,309 sqft | $244/sqft | built 1927 | Similar size (1,309 vs 1,321 sqft); Similar age (1927 vs 1928); Similar lot size (4,305 vs 4,305 sqft)
    $320,000
  • 3625 Gunderson Ave, Berwyn, IL 60402
    1,308 sqft | $245/sqft | built 1926 | Similar size (1,308 vs 1,321 sqft); Similar age (1926 vs 1928); Similar lot size (4,305 vs 4,305 sqft)
    $320,000
  • 3528 Elmwood Ave, Berwyn, IL 60402
    1,292 sqft | $248/sqft | built 1929 | Similar size (1,292 vs 1,321 sqft); Similar age (1929 vs 1928); Similar lot size (4,305 vs 4,305 sqft)
    $320,000
  • 3702 Kenilworth Ave, Berwyn, IL 60402
    1,304 sqft | $245/sqft | built 1926 | Similar size (1,304 vs 1,321 sqft); Similar age (1926 vs 1928); Similar lot size (4,340 vs 4,305 sqft)
    $320,000
  • 3829 Wisconsin Ave, Berwyn, IL 60402
    1,318 sqft | $235/sqft | built 1926 | Similar size (1,318 vs 1,321 sqft); Similar age (1926 vs 1928); Similar lot size (4,455 vs 4,305 sqft)
    $310,000

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 47.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$340,000+$110,000+47.8%
2025$230,000$00.0%
2024$230,000$00.0%
2023$230,000+$50,820+28.4%
2022$179,180−$14,170−7.3%
2021$193,350+$200.0%
2020$193,330——
6-year total+$146,670+75.9%