Cook County Value

5347 6th Ave Countryside, IL 60525

3 bed / 2 bath, 1,395 sqft, built 1949, in Lyons. Assessor market value for 2026: $400,010.

Cook County account 18094090150000

Assessor market value
$400,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,395 sqft
$287 per sqft
Year built
1949
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 changed from $210,000 in 2025 to $400,010 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $287 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 533 10th Ave, La Grange, IL 60525
    1,408 sqft | $327/sqft | built 1946 | Similar size (1,408 vs 1,395 sqft); Similar age (1946 vs 1949); Similar lot size (7,261 vs 7,370 sqft)
    $460,000
  • 514 10th Ave, La Grange, IL 60525
    1,414 sqft | $354/sqft | built 1950 | Similar size (1,414 vs 1,395 sqft); Similar age (1950 vs 1949); Similar lot size (7,155 vs 7,370 sqft)
    $500,000
  • 522 10th Ave, La Grange, IL 60525
    1,440 sqft | $333/sqft | built 1947 | Similar size (1,440 vs 1,395 sqft); Similar age (1947 vs 1949); Similar lot size (7,155 vs 7,370 sqft)
    $480,000
  • 529 10th Ave, La Grange, IL 60525
    1,368 sqft | $358/sqft | built 1946 | Similar size (1,368 vs 1,395 sqft); Similar age (1946 vs 1949); Similar lot size (7,261 vs 7,370 sqft)
    $490,000
  • 617 9th Ave, La Grange, IL 60525
    1,438 sqft | $334/sqft | built 1949 | Similar size (1,438 vs 1,395 sqft); Built same year (1949); Similar lot size (6,750 vs 7,370 sqft)
    $480,010

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 90.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$400,010+$190,010+90.5%
2025$210,000$00.0%
2024$210,000$00.0%
2023$210,000+$14,710+7.5%
2022$195,290$00.0%
2021$195,290+$100.0%
2020$195,280——
6-year total+$204,730+104.8%