Cook County Value

9401 S 55th Ave, Oak Lawn, IL 60453

3 bed / 1 bath, 1,175 sqft, built 1921, in Worth. Assessor market value for 2026: $280,000.

Cook County account 24043280010000

Assessor market value
$280,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,175 sqft
$238 per sqft
Year built
1921
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 60453, 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 28.6% from $217,720 in 2025 to $280,000 in 2026.
  • Assessor market value per square footThe current public record shows about $238 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 60453.
  • Neighborhood value signalAmong 2,653 residential records in the same neighborhood, the average assessor market value is about $186 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +19.5% on average.

Comparable assessments

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

  • 8743 S 52nd Ave, Oak Lawn, IL 60453
    1,123 sqft | $258/sqft | built 1924 | Similar size (1,123 vs 1,175 sqft); Similar age (1924 vs 1921); Similar lot size (7,176 vs 7,200 sqft)
    $290,000
  • 9416 S 54th Ave, Oak Lawn, IL 60453
    1,212 sqft | $231/sqft | built 1921 | Similar size (1,212 vs 1,175 sqft); Built same year (1921); Similar lot size (7,812 vs 7,200 sqft)
    $280,000
  • 9414 S 54th Ct, Oak Lawn, IL 60453
    1,145 sqft | $210/sqft | built 1922 | Similar size (1,145 vs 1,175 sqft); Similar age (1922 vs 1921); Lot 13% smaller (6,250 vs 7,200 sqft)
    $240,000
  • 9410 S 51st Ave, Oak Lawn, IL 60453
    1,153 sqft | $252/sqft | built 1925 | Similar size (1,153 vs 1,175 sqft); Similar age (1925 vs 1921); Lot 12% smaller (6,300 vs 7,200 sqft)
    $290,000
  • 9247 S 53rd Ct, Oak Lawn, IL 60453
    1,224 sqft | $229/sqft | built 1927 | Similar size (1,224 vs 1,175 sqft); Similar lot size (7,812 vs 7,200 sqft); Same quality (Average)
    $280,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 28.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$280,000+$62,280+28.6%
2025$217,720−$21,860−9.1%
2024$239,580$00.0%
2023$239,580+$73,740+44.5%
2022$165,840$00.0%
2021$165,840$00.0%
2020$165,840——
6-year total+$114,160+68.8%