Cook County Value

11840 S Le Claire Ave, Alsip, IL 60803

4 bed / 2 bath, 2,030 sqft, built 1996, in Worth. Assessor market value for 2026: $410,000.

Cook County account 24214250260000

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,030 sqft
$202 per sqft
Year built
1996
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 60803, Worth, and Oak Lawn assessment pages.

Local guide: Worth Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Worth, appeals to the Assessor closed . Board of Review dates for Worth 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 28.1% from $320,000 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $202 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Worth neighborhood and ZIP 60803.
  • Neighborhood value signalAmong 698 residential records in the same neighborhood, the average assessor market value is about $218 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.9% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 4952 W 118th St, Alsip, IL 60803
    2,051 sqft | $180/sqft | built 1992 | Similar size (2,051 vs 2,030 sqft); Similar age (1992 vs 1996); Similar lot size (6,360 vs 6,240 sqft)
    $370,000
  • 5146 121st St, Alsip, IL 60803
    2,189 sqft | $164/sqft | built 1995 | 8% larger (2,189 vs 2,030 sqft); Similar age (1995 vs 1996); Similar lot size (6,100 vs 6,240 sqft)
    $360,000
  • 5134 W 121st St, Alsip, IL 60803
    1,910 sqft | $188/sqft | built 1991 | 6% smaller (1,910 vs 2,030 sqft); Similar age (1991 vs 1996); Similar lot size (6,100 vs 6,240 sqft)
    $360,000
  • 4904 W 117th St, Alsip, IL 60803
    1,932 sqft | $192/sqft | built 1994 | Similar size (1,932 vs 2,030 sqft); Similar age (1994 vs 1996); Similar lot size (6,840 vs 6,240 sqft)
    $370,000
  • 5112 W 119th St, Alsip, IL 60803
    1,944 sqft | $180/sqft | built 1992 | Similar size (1,944 vs 2,030 sqft); Similar age (1992 vs 1996); Similar lot size (6,750 vs 6,240 sqft)
    $350,000

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 28.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$410,000+$90,000+28.1%
2025$320,000$00.0%
2024$320,000$00.0%
2023$320,000+$70,530+28.3%
2022$249,470$00.0%
2021$249,470+$100.0%
2020$249,460——
6-year total+$160,540+64.4%