Cook County Value

4550 Clausen Ave, Western Springs, IL 60558

4 bed / 3 bath, 3,792 sqft, built 2006. Assessor market value for 2026: $1,540,000.

Cook County account 18053140270000

Assessor market value
$1,540,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,792 sqft
$406 per sqft
Year built
2006
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 60558 and CCAO Appraisal Area 21013 assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.

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 29.4% from $1,190,000 in 2025 to $1,540,000 in 2026.
  • Assessor market value per square footThe current public record shows about $406 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 60558.
  • Neighborhood value signalAmong 862 residential records in the same neighborhood, the average assessor market value is about $382 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +34.6% on average.

Comparable assessments

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

  • 334 S Peck Ave, La Grange, IL 60525
    3,702 sqft | $370/sqft | built 2004 | Similar size (3,702 vs 3,792 sqft); Similar age (2004 vs 2006); Similar lot size (7,800 vs 8,200 sqft)
    $1,370,000
  • 321 S Peck Ave, La Grange, IL 60525
    3,727 sqft | $392/sqft | built 2006 | Similar size (3,727 vs 3,792 sqft); Built same year (2006); Similar lot size (7,800 vs 8,200 sqft)
    $1,460,000
  • 815 Elm St, Western Springs, IL 60558
    3,764 sqft | $399/sqft | built 2001 | Similar size (3,764 vs 3,792 sqft); Similar age (2001 vs 2006); Similar lot size (8,190 vs 8,200 sqft)
    $1,500,000
  • 816 Elm St, Western Springs, IL 60558
    3,710 sqft | $407/sqft | built 2007 | Similar size (3,710 vs 3,792 sqft); Similar age (2007 vs 2006); Similar lot size (7,644 vs 8,200 sqft)
    $1,510,000
  • 342 Leitch Ave, La Grange, IL 60525
    3,897 sqft | $393/sqft | built 2005 | Similar size (3,897 vs 3,792 sqft); Similar age (2005 vs 2006); Similar lot size (7,800 vs 8,200 sqft)
    $1,530,000

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 29.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,540,000+$350,000+29.4%
2025$1,190,000$00.0%
2024$1,190,000$00.0%
2023$1,190,000+$26,360+2.3%
2022$1,163,640$00.0%
2021$1,163,640$00.0%
2020$1,163,640——
6-year total+$376,360+32.3%