Cook County Value

4636 W 100th St, Oak Lawn, IL 60453

3 bed / 1 bath, 1,315 sqft, built 1960, in Worth. Assessor market value for 2026: $330,000.

Cook County account 24103120020000

Assessor market value
$330,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,315 sqft
$251 per sqft
Year built
1960
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 35.1% from $244,200 in 2025 to $330,000 in 2026.
  • Assessor market value per square footThe current public record shows about $251 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 2,262 residential records in the same neighborhood, the average assessor market value is about $213 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.4% on average.

Comparable assessments

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

  • 9917 S Kilbourn Ave, Oak Lawn, IL 60453
    1,312 sqft | $252/sqft | built 1961 | Similar size (1,312 vs 1,315 sqft); Similar age (1961 vs 1960); Similar lot size (7,182 vs 7,205 sqft)
    $330,000
  • 4613 W 99th Pl, Oak Lawn, IL 60453
    1,306 sqft | $260/sqft | built 1961 | Similar size (1,306 vs 1,315 sqft); Similar age (1961 vs 1960); Similar lot size (7,205 vs 7,205 sqft)
    $340,000
  • 10429 S Kenneth Ave, Oak Lawn, IL 60453
    1,307 sqft | $245/sqft | built 1961 | Similar size (1,307 vs 1,315 sqft); Similar age (1961 vs 1960); Similar lot size (7,153 vs 7,205 sqft)
    $320,000
  • 4537 W 100th St, Oak Lawn, IL 60453
    1,324 sqft | $257/sqft | built 1961 | Similar size (1,324 vs 1,315 sqft); Similar age (1961 vs 1960); Similar lot size (7,260 vs 7,205 sqft)
    $340,000
  • 4508 W 101st St, Oak Lawn, IL 60453
    1,326 sqft | $241/sqft | built 1959 | Similar size (1,326 vs 1,315 sqft); Similar age (1959 vs 1960); Similar lot size (7,158 vs 7,205 sqft)
    $320,000

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: . 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 35.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$330,000+$85,800+35.1%
2025$244,200−$15,800−6.1%
2024$260,000$00.0%
2023$260,000+$59,730+29.8%
2022$200,270$00.0%
2021$200,270+$100.0%
2020$200,260——
6-year total+$129,740+64.8%