Cook County Value

12009 S Lavergne Ave, Alsip, IL 60803

3 bed / 1 bath, 1,308 sqft, built 1969, in Worth. Assessor market value for 2026: $320,010.

Cook County account 24282010110000

Small or uncertain difference

about $5,000

8 similar homes nearby point to a value about $5,000 lower than yours, a small or uncertain difference.

Assessor market value$320,010
Similar homes$314,940
$5,070 gap · bars start at $0

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

Assessor market value
$320,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,308 sqft
$245 per sqft
Year built
1969
Average quality

Why we think so

Similar homes' assessments

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $239.35/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 $86,000. Counting your land in place of theirs where theirs is less, they support a value of $314,940.

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 28.0% from $250,000 in 2025 to $320,010 in 2026.
  • Assessor market value per square footThe current public record shows about $245 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 698 residential records in the same neighborhood, the average assessor market value is about $218 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.9% on average.

Comparable assessments

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

  • 12017 S Lavergne Ave, Alsip, IL 60803
    1,337 sqft | $239/sqft | built 1970 | Similar size (1,337 vs 1,308 sqft); Similar age (1970 vs 1969); Similar lot size (12,285 vs 12,285 sqft)
    $320,010
  • 12015 S Lavergne Ave, Alsip, IL 60803
    1,337 sqft | $247/sqft | built 1970 | Similar size (1,337 vs 1,308 sqft); Similar age (1970 vs 1969); Similar lot size (12,285 vs 12,285 sqft)
    $330,010
  • 4946 W 121st St, Alsip, IL 60803
    1,335 sqft | $247/sqft | built 1976 | Similar size (1,335 vs 1,308 sqft); Similar lot size (12,675 vs 12,285 sqft); Same quality (Average)
    $330,010
  • 11447 Mather Ave, Alsip, IL 60803
    1,303 sqft | $246/sqft | built 1979 | Similar size (1,303 vs 1,308 sqft); Similar lot size (12,700 vs 12,285 sqft); Same quality (Average)
    $320,000
  • 4831 W 119th St, Alsip, IL 60803
    1,273 sqft | $236/sqft | built 1978 | Similar size (1,273 vs 1,308 sqft); Similar lot size (12,285 vs 12,285 sqft); Same quality (Average)
    $300,010

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 28.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$320,010+$70,010+28.0%
2025$250,000$00.0%
2024$250,000$00.0%
2023$250,000+$71,080+39.7%
2022$178,920$00.0%
2021$178,920+$200.0%
2020$178,900——
6-year total+$141,110+78.9%