Cook County Value

9925 S Mayfield Ave, Oak Lawn, IL 60453

4 bed / 2 bath, 2,018 sqft, built 1984, in Worth. Assessor market value for 2026: $410,000.

Cook County account 24084010500000

Small or uncertain difference

about $3,000

8 similar homes nearby point to a value about $3,000 lower than yours, a small or uncertain difference.

Assessor market value$410,000
Similar homes$407,192
$2,808 gap · bars start at $0

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

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,018 sqft
$203 per sqft
Year built
1984
Average quality

Why we think so

Similar homes' assessments

Weak

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $199.69/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 $69,750. Counting your land in place of theirs where theirs is less, they support a value of $407,192.

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 20.6% from $340,000 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $203 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 1,812 residential records in the same neighborhood, the average assessor market value is about $212 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +22.0% on average.

Comparable assessments

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

  • 4936 W 107th St, Oak Lawn, IL 60453
    1,932 sqft | $207/sqft | built 1982 | Similar size (1,932 vs 2,018 sqft); Similar age (1982 vs 1984); Similar lot size (8,515 vs 8,719 sqft)
    $400,000
  • 5808 W 100th Pl, Oak Lawn, IL 60453
    2,043 sqft | $191/sqft | built 1986 | Similar size (2,043 vs 2,018 sqft); Similar age (1986 vs 1984); Similar lot size (8,400 vs 8,719 sqft)
    $390,000
  • 10306 S Linus Ln, Oak Lawn, IL 60453
    2,063 sqft | $199/sqft | built 1983 | Similar size (2,063 vs 2,018 sqft); Similar age (1983 vs 1984); Similar lot size (8,040 vs 8,719 sqft)
    $410,000
  • 9900 S Major Ave, Oak Lawn, IL 60453
    1,953 sqft | $200/sqft | built 1977 | Similar size (1,953 vs 2,018 sqft); Similar lot size (8,771 vs 8,719 sqft); Same quality (Average)
    $390,000
  • 4932 W 107th St, Oak Lawn, IL 60453
    1,935 sqft | $212/sqft | built 1980 | Similar size (1,935 vs 2,018 sqft); Similar age (1980 vs 1984); Similar lot size (8,515 vs 8,719 sqft)
    $410,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 20.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$410,000+$70,000+20.6%
2025$340,000$00.0%
2024$340,000$00.0%
2023$340,000+$41,880+14.0%
2022$298,120$00.0%
2021$298,120$00.0%
2020$298,120——
6-year total+$111,880+37.5%