Cook County Value

11709 S Lamon Ave, Alsip, IL 60803

3 bed / 2 bath, 1,200 sqft, built 1977, in Worth. Assessor market value for 2026: $330,000.

Cook County account 24214220110000

Assessor market value
$330,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,200 sqft
$275 per sqft
Year built
1977
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 32.0% from $250,000 in 2025 to $330,000 in 2026.
  • Assessor market value per square footThe current public record shows about $275 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.

  • 11226 S Avon Ave, Alsip, IL 60803
    1,149 sqft | $244/sqft | built 1976 | Similar size (1,149 vs 1,200 sqft); Similar age (1976 vs 1977); Similar lot size (12,500 vs 13,400 sqft)
    $280,000
  • 11234 S Avon Ave, Alsip, IL 60803
    1,157 sqft | $277/sqft | built 1975 | Similar size (1,157 vs 1,200 sqft); Similar age (1975 vs 1977); Similar lot size (12,500 vs 13,400 sqft)
    $320,000
  • 12021 S Lavergne Ave, Alsip, IL 60803
    1,188 sqft | $269/sqft | built 1986 | Similar size (1,188 vs 1,200 sqft); Similar lot size (12,285 vs 13,400 sqft); Same quality (Average)
    $320,010
  • 11351 S Lawler Ave, Alsip, IL 60803
    1,204 sqft | $257/sqft | built 1977 | Similar size (1,204 vs 1,200 sqft); Built same year (1977); Same quality (Average)
    $310,000
  • 11148 S Leamington Ave, Alsip, IL 60803
    1,209 sqft | $281/sqft | built 1990 | Similar size (1,209 vs 1,200 sqft); Lot 11% smaller (11,948 vs 13,400 sqft); Same quality (Average)
    $340,000

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 32.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$330,000+$80,000+32.0%
2025$250,000$00.0%
2024$250,000$00.0%
2023$250,000+$76,210+43.9%
2022$173,790$00.0%
2021$173,790+$100.0%
2020$173,780——
6-year total+$156,220+89.9%