Cook County Value

11735 S Kildare Ave, Alsip, IL 60803

3 bed / 1 bath, 1,039 sqft, built 1964, in Worth. Assessor market value for 2026: $240,000.

Cook County account 24224240110000

In line with similar homes

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

Assessor market value$240,000
Similar homes$252,425
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
$240,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,039 sqft
$231 per sqft
Year built
1964
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $242.95/sqft, which supports a value of $252,425.

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 20.0% from $200,000 in 2025 to $240,000 in 2026.
  • Assessor market value per square footThe current public record shows about $231 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 1,669 residential records in the same neighborhood, the average assessor market value is about $206 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +19.8% on average.

Comparable assessments

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

  • 11540 S Kilbourn Ave, Alsip, IL 60803
    1,030 sqft | $223/sqft | built 1964 | Similar size (1,030 vs 1,039 sqft); Built same year (1964); Similar lot size (6,535 vs 6,395 sqft)
    $230,000
  • 4308 W 117th St, Alsip, IL 60803
    1,029 sqft | $243/sqft | built 1962 | Similar size (1,029 vs 1,039 sqft); Similar age (1962 vs 1964); Similar lot size (6,407 vs 6,395 sqft)
    $250,000
  • 4355 W 118th St, Alsip, IL 60803
    1,056 sqft | $237/sqft | built 1965 | Similar size (1,056 vs 1,039 sqft); Similar age (1965 vs 1964); Similar lot size (6,413 vs 6,395 sqft)
    $250,000
  • 11813 S Keeler Ave, Alsip, IL 60803
    1,023 sqft | $235/sqft | built 1964 | Similar size (1,023 vs 1,039 sqft); Built same year (1964); Similar lot size (6,285 vs 6,395 sqft)
    $240,000
  • 11705 S Kedvale Ave, Alsip, IL 60803
    1,026 sqft | $263/sqft | built 1964 | Similar size (1,026 vs 1,039 sqft); Built same year (1964); Similar lot size (6,250 vs 6,395 sqft)
    $270,010

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 20.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$240,000+$40,000+20.0%
2025$200,000$00.0%
2024$200,000$00.0%
2023$200,000+$35,720+21.7%
2022$164,280$00.0%
2021$164,280+$200.0%
2020$164,260——
6-year total+$75,740+46.1%