Cook County Value

9550 W 56th St Countryside, IL 60525

3 bed / 1 bath, 1,841 sqft, built 1966, in Lyons. Assessor market value for 2026: $460,000.

Cook County account 18162020310000

Assessor market value
$460,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,841 sqft
$250 per sqft
Year built
1966
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 17.9% from $390,010 in 2025 to $460,000 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 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.

  • 827 9th Ave, La Grange, IL 60525
    1,874 sqft | $277/sqft | built 1976 | Similar size (1,874 vs 1,841 sqft); Lot 10% smaller (13,400 vs 14,900 sqft); Same quality (Average)
    $520,000
  • 730 12th Ave, La Grange, IL 60525
    1,898 sqft | $248/sqft | built 1954 | Similar size (1,898 vs 1,841 sqft); Lot 10% smaller (13,400 vs 14,900 sqft); Same quality (Average)
    $470,000
  • 830 11th Ave, La Grange, IL 60525
    1,778 sqft | $276/sqft | built 1957 | Similar size (1,778 vs 1,841 sqft); Lot 10% smaller (13,400 vs 14,900 sqft); Same quality (Average)
    $490,000
  • 827 12th Ave, La Grange, IL 60525
    1,880 sqft | $282/sqft | built 1958 | Similar size (1,880 vs 1,841 sqft); Lot 15% smaller (12,600 vs 14,900 sqft); Same quality (Average)
    $530,000
  • 850 11th Ave, La Grange, IL 60525
    1,764 sqft | $249/sqft | built 1954 | Similar size (1,764 vs 1,841 sqft); Lot 17% smaller (12,437 vs 14,900 sqft); Same quality (Average)
    $440,010

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 17.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$460,000+$69,990+17.9%
2025$390,010$00.0%
2024$390,010$00.0%
2023$390,010+$58,530+17.7%
2022$331,480$00.0%
2021$331,480+$100.0%
2020$331,470——
6-year total+$128,530+38.8%