Cook County Value

9709 S Mansfield Ave, Oak Lawn, IL 60453

4 bed / 2 bath, 2,038 sqft, built 1970, in Worth. Assessor market value for 2026: $400,000.

Cook County account 24082140230000

Assessor market value
$400,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,038 sqft
$196 per sqft
Year built
1970
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 14.3% from $350,000 in 2025 to $400,000 in 2026.
  • Assessor market value per square footThe current public record shows about $196 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 2,508 residential records in the same neighborhood, the average assessor market value is about $221 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +20.1% on average.

Comparable assessments

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

  • 9521 S Major Ave, Oak Lawn, IL 60453
    2,042 sqft | $196/sqft | built 1971 | Similar size (2,042 vs 2,038 sqft); Similar age (1971 vs 1970); Similar lot size (8,100 vs 8,078 sqft)
    $400,000
  • 9040 S Moody Ave, Oak Lawn, IL 60453
    1,960 sqft | $179/sqft | built 1971 | Similar size (1,960 vs 2,038 sqft); Similar age (1971 vs 1970); Similar lot size (8,100 vs 8,078 sqft)
    $350,000
  • 9308 S Moody Ave, Oak Lawn, IL 60453
    1,946 sqft | $195/sqft | built 1969 | Similar size (1,946 vs 2,038 sqft); Similar age (1969 vs 1970); Similar lot size (7,830 vs 8,078 sqft)
    $380,000
  • 9340 S Moody Ave, Oak Lawn, IL 60453
    1,908 sqft | $189/sqft | built 1969 | 6% smaller (1,908 vs 2,038 sqft); Similar age (1969 vs 1970); Similar lot size (8,100 vs 8,078 sqft)
    $360,000
  • 9833 S Mansfield Ave, Oak Lawn, IL 60453
    2,013 sqft | $204/sqft | built 1966 | Similar size (2,013 vs 2,038 sqft); Similar age (1966 vs 1970); Similar lot size (8,100 vs 8,078 sqft)
    $410,000

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 14.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$400,000+$50,000+14.3%
2025$350,000$00.0%
2024$350,000$00.0%
2023$350,000+$71,410+25.6%
2022$278,590$00.0%
2021$278,590+$100.0%
2020$278,580——
6-year total+$121,420+43.6%