Cook County Value

4101 W 115th St, Alsip, IL 60803

3 bed / 1 bath, 1,382 sqft, built 1949, in Worth. Assessor market value for 2026: $270,000.

Cook County account 24224040030000

Assessor market value
$270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,382 sqft
$195 per sqft
Year built
1949
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 35.0% from $200,010 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $195 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.

  • 3814 W 117th St, Alsip, IL 60803
    1,390 sqft | $194/sqft | built 1953 | Similar size (1,390 vs 1,382 sqft); Similar age (1953 vs 1949); Similar lot size (10,050 vs 10,338 sqft)
    $270,000
  • 3650 W 117th St Garden Homes, IL 60655
    1,379 sqft | $203/sqft | built 1955 | Similar size (1,379 vs 1,382 sqft); Similar lot size (10,044 vs 10,338 sqft); Same quality (Average)
    $280,000
  • 3923 W 115th St, Alsip, IL 60803
    1,426 sqft | $203/sqft | built 1948 | Similar size (1,426 vs 1,382 sqft); Similar age (1948 vs 1949); Similar lot size (9,553 vs 10,338 sqft)
    $290,000
  • 3652 W 117th St Garden Homes, IL 60655
    1,463 sqft | $185/sqft | built 1950 | 6% larger (1,463 vs 1,382 sqft); Similar age (1950 vs 1949); Similar lot size (10,044 vs 10,338 sqft)
    $270,000
  • 11800 S Hamlin Ave, Alsip, IL 60803
    1,298 sqft | $177/sqft | built 1940 | 6% smaller (1,298 vs 1,382 sqft); Similar lot size (10,478 vs 10,338 sqft); Same quality (Average)
    $230,000

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 35.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$270,000+$69,990+35.0%
2025$200,010$00.0%
2024$200,010$00.0%
2023$200,010+$63,610+46.6%
2022$136,400$00.0%
2021$136,400+$100.0%
2020$136,390——
6-year total+$133,610+98.0%