Cook County Value

11540 S Komensky Ave, Alsip, IL 60803

3 bed / 1 bath, 1,321 sqft, built 1981, in Worth. Assessor market value for 2026: $290,000.

Cook County account 24224050220000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$290,000
Similar homes$291,769
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$290,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,321 sqft
$220 per sqft
Year built
1981
Average quality

What we found

Similar homes' assessments

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $220.87/sqft, which supports a value of $291,769.

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 20.8% from $240,000 in 2025 to $290,000 in 2026.
  • Assessor market value per square footThe current public record shows about $220 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 1,109 residential records in the same neighborhood, the average assessor market value is about $199 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +25.7% on average.

Comparable assessments

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

  • 11621 S Keeler Ave, Alsip, IL 60803
    1,315 sqft | $205/sqft | built 1976 | Similar size (1,315 vs 1,321 sqft); Similar age (1976 vs 1981); Similar lot size (6,650 vs 6,650 sqft)
    $270,000
  • 3919 W 116th Pl, Alsip, IL 60803
    1,313 sqft | $221/sqft | built 1974 | Similar size (1,313 vs 1,321 sqft); Similar lot size (6,650 vs 6,650 sqft); Same quality (Average)
    $290,000
  • 11615 S Kedvale Ave, Alsip, IL 60803
    1,331 sqft | $233/sqft | built 1984 | Similar size (1,331 vs 1,321 sqft); Similar age (1984 vs 1981); Similar lot size (6,650 vs 6,650 sqft)
    $310,000
  • 11625 S Karlov Ave, Alsip, IL 60803
    1,352 sqft | $207/sqft | built 1974 | Similar size (1,352 vs 1,321 sqft); Similar lot size (6,650 vs 6,650 sqft); Same quality (Average)
    $280,000
  • 11661 S Keeler Ave, Alsip, IL 60803
    1,325 sqft | $219/sqft | built 1971 | Similar size (1,325 vs 1,321 sqft); Similar lot size (6,539 vs 6,650 sqft); Same quality (Average)
    $290,000

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 20.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$290,000+$50,000+20.8%
2025$240,000$00.0%
2024$240,000$00.0%
2023$240,000+$41,900+21.2%
2022$198,100$00.0%
2021$198,100+$100.0%
2020$198,090——
6-year total+$91,910+46.4%