Cook County Value

3910 W 99th St Evergreen Park, IL 60805

2 bed / 1 bath, 1,000 sqft, built 1935, in Worth. Assessor market value for 2026: $250,010.

Cook County account 24111250600000

Assessor market value
$250,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,000 sqft
$250 per sqft
Year built
1935
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 60805 and Worth 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 19.1% from $210,000 in 2025 to $250,010 in 2026.
  • Assessor market value per square footThe current public record shows about $250 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 60805.
  • Neighborhood value signalAmong 5,144 residential records in the same neighborhood, the average assessor market value is about $191 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +18.7% on average.

Comparable assessments

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

  • 9518 S Lawndale Ave Evergreen Park, IL 60805
    981 sqft | $234/sqft | built 1939 | Similar size (981 vs 1,000 sqft); Similar age (1939 vs 1935); Similar lot size (3,720 vs 3,750 sqft)
    $230,000
  • 9603 S Avers Ave Evergreen Park, IL 60805
    1,011 sqft | $237/sqft | built 1948 | Similar size (1,011 vs 1,000 sqft); Similar lot size (3,720 vs 3,750 sqft); Same quality (Average)
    $240,000
  • 10042 S Keeler Ave, Oak Lawn, IL 60453
    1,007 sqft | $127/sqft | built 1950 | Similar size (1,007 vs 1,000 sqft); Similar lot size (3,690 vs 3,750 sqft); Same quality (Average)
    $127,530
  • 10042 S Keeler Ave, Oak Lawn, IL 60453
    1,007 sqft | $127/sqft | built 1950 | Similar size (1,007 vs 1,000 sqft); Similar lot size (3,690 vs 3,750 sqft); Same quality (Average)
    $127,530
  • 9734 S Avers Ave Evergreen Park, IL 60805
    984 sqft | $244/sqft | built 1950 | Similar size (984 vs 1,000 sqft); Similar lot size (3,720 vs 3,750 sqft); Same quality (Average)
    $240,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 9636 S Troy Ave Evergreen Park, IL 60805
    June-29-2026 | 1,209 sqft | $280/sqft | built 1951 | Sold after the valuation date; Within 1 bedroom (3 vs 2)
    $339,000
  • 9528 S Springfield Ave Evergreen Park, IL 60805
    1,244 sqft | $247/sqft | built 1949 | Within 1 bedroom (3 vs 2)
    $307,500

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 19.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$250,010+$40,010+19.1%
2025$210,000$00.0%
2024$210,000$00.0%
2023$210,000+$48,370+29.9%
2022$161,630$00.0%
2021$161,630$00.0%
2020$161,630——
6-year total+$88,380+54.7%