Cook County Value

11659 S Keeler Ave, Alsip, IL 60803

3 bed / 1 bath, 1,239 sqft, built 1971, in Worth. Assessor market value for 2026: $290,000.

Cook County account 24224070260000

Possibly too high

about $19,000

8 similar homes nearby point to a value about $19,000 lower than yours.

Assessor market value$290,000
Similar homes$270,956
$19,044 gap · 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
1,239 sqft
$234 per sqft
Year built
1971
Average quality

Why we think so

Similar homes' assessments

Moderate

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $217.74/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $39,900. Counting your land in place of theirs where theirs is less, they support a value of $270,956.

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 26.1% from $230,000 in 2025 to $290,000 in 2026.
  • Assessor market value per square footThe current public record shows about $234 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.

  • 11714 S Komensky Ave, Alsip, IL 60803
    1,240 sqft | $218/sqft | built 1969 | Similar size (1,240 vs 1,239 sqft); Similar age (1969 vs 1971); Similar lot size (6,460 vs 6,650 sqft)
    $270,000
  • 11611 S Keeler Ave, Alsip, IL 60803
    1,200 sqft | $208/sqft | built 1969 | Similar size (1,200 vs 1,239 sqft); Similar age (1969 vs 1971); Similar lot size (6,650 vs 6,650 sqft)
    $250,000
  • 11629 S Karlov Ave, Alsip, IL 60803
    1,300 sqft | $223/sqft | built 1971 | Similar size (1,300 vs 1,239 sqft); Built same year (1971); Similar lot size (6,650 vs 6,650 sqft)
    $290,000
  • 3635 W 115th St, Alsip, IL 60803
    1,250 sqft | $240/sqft | built 1966 | Similar size (1,250 vs 1,239 sqft); Similar age (1966 vs 1971); Similar lot size (6,875 vs 6,650 sqft)
    $300,000
  • 11605 S Keeler Ave, Alsip, IL 60803
    1,200 sqft | $233/sqft | built 1966 | Similar size (1,200 vs 1,239 sqft); Similar age (1966 vs 1971); Similar lot size (6,650 vs 6,650 sqft)
    $280,000

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 26.1% 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+$60,000+26.1%
2025$230,000$00.0%
2024$230,000$00.0%
2023$230,000+$48,320+26.6%
2022$181,680$00.0%
2021$181,680+$100.0%
2020$181,670——
6-year total+$108,330+59.6%