Cook County Value

5340 8th Ave Countryside, IL 60525

3 bed / 1 bath, 1,081 sqft, built 1947, in Lyons. Assessor market value for 2026: $436,800.

Cook County account 18094100360000

Assessor market value
$436,800
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,081 sqft
$404 per sqft
Year built
1947
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 15.0% from $379,880 in 2025 to $436,800 in 2026.
  • Assessor market value per square footThe current public record shows about $404 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.

  • 5495 S Catherine Ave Countryside, IL 60525
    1,034 sqft | $309/sqft | built 1951 | Similar size (1,034 vs 1,081 sqft); Similar age (1951 vs 1947); Similar lot size (9,506 vs 9,916 sqft)
    $320,000
  • 5340 7th Ave Countryside, IL 60525
    1,128 sqft | $293/sqft | built 1947 | Similar size (1,128 vs 1,081 sqft); Built same year (1947); Lot 16% smaller (8,308 vs 9,916 sqft)
    $330,000
  • 836 9th Ave, La Grange, IL 60525
    1,086 sqft | $359/sqft | built 1958 | Similar size (1,086 vs 1,081 sqft); Lot 19% smaller (8,040 vs 9,916 sqft); Same quality (Average)
    $390,000
  • 831 8th Ave, La Grange, IL 60525
    1,133 sqft | $353/sqft | built 1954 | Similar size (1,133 vs 1,081 sqft); Lot 16% smaller (8,308 vs 9,916 sqft); Same quality (Average)
    $400,000
  • 950 8th Ave, La Grange, IL 60525
    1,026 sqft | $370/sqft | built 1959 | 5% smaller (1,026 vs 1,081 sqft); Lot 12% smaller (8,710 vs 9,916 sqft); Same quality (Average)
    $380,010

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 15.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$436,800+$56,920+15.0%
2025$379,880+$26,800+7.6%
2024$353,080$00.0%
2023$353,080+$117,550+49.9%
2022$235,530$00.0%
2021$235,530+$100.0%
2020$235,520——
6-year total+$201,280+85.5%