Cook County Value

9814 W 57th St Countryside, IL 60525

4 bed / 2 bath, 2,842 sqft, built 1999, in Lyons. Assessor market value for 2026: $700,000.

Cook County account 18162050120000

Assessor market value
$700,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,842 sqft
$246 per sqft
Year built
1999
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 60525 and Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons 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 20.7% from $580,000 in 2025 to $700,000 in 2026.
  • Assessor market value per square footThe current public record shows about $246 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60525.
  • Neighborhood value signalAmong 1,221 residential records in the same neighborhood, the average assessor market value is about $274 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.5% on average.

Comparable assessments

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

  • 9805 W 57th St Countryside, IL 60525
    2,814 sqft | $252/sqft | built 1998 | Similar size (2,814 vs 2,842 sqft); Similar age (1998 vs 1999); Similar lot size (22,124 vs 22,126 sqft)
    $710,000
  • 9818 W 57th St Countryside, IL 60525
    2,994 sqft | $257/sqft | built 2000 | 5% larger (2,994 vs 2,842 sqft); Similar age (2000 vs 1999); Similar lot size (21,572 vs 22,126 sqft)
    $770,000
  • 9680 W 57th St Countryside, IL 60525
    2,871 sqft | $265/sqft | built 2006 | Similar size (2,871 vs 2,842 sqft); Similar lot size (20,605 vs 22,126 sqft); Same quality (Average)
    $760,000
  • 9533 W 56th St Countryside, IL 60525
    2,852 sqft | $221/sqft | built 1995 | Similar size (2,852 vs 2,842 sqft); Similar age (1995 vs 1999); Similar lot size (23,775 vs 22,126 sqft)
    $630,000
  • 5607 S Madison Ave Countryside, IL 60525
    2,892 sqft | $259/sqft | built 2006 | Similar size (2,892 vs 2,842 sqft); Similar lot size (20,515 vs 22,126 sqft); Same quality (Average)
    $750,000

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 20.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$700,000+$120,000+20.7%
2025$580,000$00.0%
2024$580,000$00.0%
2023$580,000−$26,090−4.3%
2022$606,090$00.0%
2021$606,090−$29,310−4.6%
2020$635,400——
6-year total+$64,600+10.2%