Cook County Value

11700 S Kildare Ave, Alsip, IL 60803

4 bed / 2 bath, 1,136 sqft, built 1979, in Worth. Assessor market value for 2026: $310,000.

Cook County account 24224230260000

Assessor market value
$310,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,136 sqft
$273 per sqft
Year built
1979
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 43.5% from $216,020 in 2025 to $310,000 in 2026.
  • Assessor market value per square footThe current public record shows about $273 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

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

  • 5501 W 128th Pl, Crestwood, IL 60418
    1,139 sqft | $255/sqft | built 1974 | Similar size (1,139 vs 1,136 sqft); Similar age (1974 vs 1979); Similar lot size (7,480 vs 7,480 sqft)
    $290,000
  • 5431 W 128th Pl, Crestwood, IL 60418
    1,163 sqft | $249/sqft | built 1975 | Similar size (1,163 vs 1,136 sqft); Similar age (1975 vs 1979); Similar lot size (7,480 vs 7,480 sqft)
    $290,000
  • 5419 W 128th Pl, Crestwood, IL 60418
    1,139 sqft | $255/sqft | built 1974 | Similar size (1,139 vs 1,136 sqft); Similar age (1974 vs 1979); Similar lot size (7,209 vs 7,480 sqft)
    $290,000
  • 11725 S Kildare Ave, Alsip, IL 60803
    1,139 sqft | $255/sqft | built 1967 | Similar size (1,139 vs 1,136 sqft); Similar lot size (6,846 vs 7,480 sqft); Same quality (Average)
    $290,010
  • 5532 W 129th St, Crestwood, IL 60418
    1,187 sqft | $261/sqft | built 1986 | Similar size (1,187 vs 1,136 sqft); Similar lot size (7,803 vs 7,480 sqft); Same quality (Average)
    $310,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 43.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$310,000+$93,980+43.5%
2025$216,020$00.0%
2024$216,020−$17,270−7.4%
2023$233,290+$64,790+38.5%
2022$168,500−$11,020−6.1%
2021$179,520−$19,080−9.6%
2020$198,600——
6-year total+$111,400+56.1%