Cook County Value

1637 Harlem Ave, Berwyn, IL 60402

10 bed / 5 bath, 4,693 sqft, built 1959, in Berwyn. Assessor market value for 2026: $600,000.

Cook County account 16193000440000

Likely too high

about $24,000

8 similar homes nearby point to a value about $24,000 lower than yours.

Assessor market value$600,000
Similar homes$575,643
$24,357 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$600,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,693 sqft
$128 per sqft
Year built
1959
Average quality

Why we think so

Similar homes' assessments

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $122.66/sqft, which supports a value of $575,643.

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 27.7% from $470,000 in 2025 to $600,000 in 2026.
  • Assessor market value per square footThe current public record shows about $128 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 2,356 residential records in the same neighborhood, the average assessor market value is about $181 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +23.1% on average.

Comparable assessments

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

  • 1633 Harlem Ave, Berwyn, IL 60402
    4,682 sqft | $132/sqft | built 1960 | Similar size (4,682 vs 4,693 sqft); Similar age (1960 vs 1959); Similar lot size (5,440 vs 5,440 sqft)
    $620,000
  • 1651 Harlem Ave, Berwyn, IL 60402
    4,850 sqft | $115/sqft | built 1959 | Similar size (4,850 vs 4,693 sqft); Built same year (1959); Similar lot size (5,520 vs 5,440 sqft)
    $558,800
  • 1649 Harlem Ave, Berwyn, IL 60402
    4,810 sqft | $123/sqft | built 1959 | Similar size (4,810 vs 4,693 sqft); Built same year (1959); Similar lot size (5,440 vs 5,440 sqft)
    $590,000
  • 6502 19th St, Berwyn, IL 60402
    4,576 sqft | $127/sqft | built 1958 | Similar size (4,576 vs 4,693 sqft); Similar age (1958 vs 1959); Similar lot size (5,418 vs 5,440 sqft)
    $580,000
  • 1942 Kenilworth Ave, Berwyn, IL 60402
    4,613 sqft | $115/sqft | built 1958 | Similar size (4,613 vs 4,693 sqft); Similar age (1958 vs 1959); Similar lot size (5,564 vs 5,440 sqft)
    $530,000

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 27.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$600,000+$130,000+27.7%
2025$470,000$00.0%
2024$470,000$00.0%
2023$470,000+$146,790+45.4%
2022$323,210$00.0%
2021$323,210+$100.0%
2020$323,200——
6-year total+$276,800+85.6%