Cook County Value

9821 S Tulley Ave, Oak Lawn, IL 60453

3 bed / 1 bath, 1,335 sqft, built 1956, in Worth. Assessor market value for 2026: $170,600.

Cook County account 24092180110000

Assessor market value
$170,600
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,335 sqft
$128 per sqft
Year built
1956
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 21.9% from $140,000 in 2025 to $170,600 in 2026.
  • Assessor market value per square footThe current public record shows about $128 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 2,527 residential records in the same neighborhood, the average assessor market value is about $201 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.0% on average.

Comparable assessments

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

  • 9821 S Tulley Ave, Oak Lawn, IL 60453
    1,335 sqft | $128/sqft | built 1956 | Similar size (1,335 vs 1,335 sqft); Built same year (1956); Similar lot size (3,900 vs 3,900 sqft)
    $170,600
  • 9836 S 51st Ave, Oak Lawn, IL 60453
    1,332 sqft | $128/sqft | built 1960 | Similar size (1,332 vs 1,335 sqft); Similar age (1960 vs 1956); Similar lot size (3,900 vs 3,900 sqft)
    $170,600
  • 9836 S 51st Ave, Oak Lawn, IL 60453
    1,332 sqft | $128/sqft | built 1960 | Similar size (1,332 vs 1,335 sqft); Similar age (1960 vs 1956); Similar lot size (3,900 vs 3,900 sqft)
    $170,600
  • 9841 S Warren Ave, Oak Lawn, IL 60453
    1,324 sqft | $110/sqft | built 1955 | Similar size (1,324 vs 1,335 sqft); Similar age (1955 vs 1956); Similar lot size (4,151 vs 3,900 sqft)
    $146,260
  • 9700 S 51st Ave, Oak Lawn, IL 60453
    1,349 sqft | $102/sqft | built 1955 | Similar size (1,349 vs 1,335 sqft); Similar age (1955 vs 1956); Similar lot size (3,700 vs 3,900 sqft)
    $137,760

Recent comparable sales

Sales selected by similarity to the subject property.

  • 5249 W 88th St, Oak Lawn, IL 60453
    June-29-2026 | 1,517 sqft | $198/sqft | built 1952 | 14% size difference (1,517 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $300,000
  • 8733 S 51st Ave, Oak Lawn, IL 60453
    1,303 sqft | $158/sqft | built 1954 | Similar size (1,303 sqft); Similar age (1954); Same beds (3)
    $206,000
  • 5701 W 89th Pl, Oak Lawn, IL 60453
    1,248 sqft | $208/sqft | built 1960 | 6% size difference (1,248 sqft); Moderate age difference (4 years newer); Same beds (3)
    $260,000
  • 4529 W 99th Pl, Oak Lawn, IL 60453
    1,281 sqft | $203/sqft | built 1961 | Similar size (1,281 sqft); Moderate age difference (5 years newer); Within 1 bedroom (4 vs 3)
    $260,000
  • 5412 W 90th St, Oak Lawn, IL 60453
    1,212 sqft | $268/sqft | built 1951 | 9% size difference (1,212 sqft); Moderate age difference (5 years older); Within 1 bedroom (2 vs 3)
    $325,000

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 21.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$170,600+$30,600+21.9%
2025$140,000$00.0%
2024$140,000$00.0%
2023$140,000+$35,550+34.0%
2022$104,450$00.0%
2021$104,450+$200.0%
2020$104,430——
6-year total+$66,170+63.4%