Cook County Value

5312 9th Ave Countryside, IL 60525

3 bed / 2 bath, 1,450 sqft, built 1980, in Lyons. Assessor market value for 2026: $420,000.

Cook County account 18094110260000

Assessor market value
$420,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,450 sqft
$290 per sqft
Year built
1980
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 32.6% from $316,630 in 2025 to $420,000 in 2026.
  • Assessor market value per square footThe current public record shows about $290 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.

  • 816 East Ave, La Grange, IL 60525
    1,444 sqft | $305/sqft | built 1981 | Similar size (1,444 vs 1,450 sqft); Similar age (1981 vs 1980); Similar lot size (6,300 vs 6,231 sqft)
    $440,000
  • 5302 S Catherine Ave Countryside, IL 60525
    1,490 sqft | $309/sqft | built 1974 | Similar size (1,490 vs 1,450 sqft); Similar lot size (6,150 vs 6,231 sqft); Same quality (Average)
    $460,010
  • 734 East Ave, La Grange, IL 60525
    1,499 sqft | $314/sqft | built 1985 | Similar size (1,499 vs 1,450 sqft); Similar age (1985 vs 1980); Similar lot size (6,300 vs 6,231 sqft)
    $470,000
  • 738 East Ave, La Grange, IL 60525
    1,499 sqft | $314/sqft | built 1985 | Similar size (1,499 vs 1,450 sqft); Similar age (1985 vs 1980); Similar lot size (6,300 vs 6,231 sqft)
    $470,000
  • 5411 6th Ave Countryside, IL 60525
    1,398 sqft | $300/sqft | built 1974 | Similar size (1,398 vs 1,450 sqft); Similar lot size (6,164 vs 6,231 sqft); Same quality (Average)
    $420,000

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 32.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$420,000+$103,370+32.6%
2025$316,630−$27,630−8.0%
2024$344,260−$15,750−4.4%
2023$360,010+$110,810+44.5%
2022$249,200$00.0%
2021$249,200−$30,910−11.0%
2020$280,110——
6-year total+$139,890+49.9%